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• Packing jar files into library jar files

  - by Hillel

  Firstly, this question is not about packing a simple jar file (e.g. lwjgl) into a runnable jar file. I know how to do this using JarSplice. So if I have a game which uses JInput, I will pack my game jar and jinput.jar using JarSplice and enter the natives in the process. The problem arises when I want to create a custom library that uses JInput, and then pack that into my games. See, the whole idea of writing a game library is that I don't ever have to even copy code like the wrapper I wrote for JInput Controller, and I always have a definitive version inside a library jar. Basically what I wanna do is create a jar file of my library, pack jinput.jar into it using JarSplice, possibly with the natives as well, and then when I want to export a jar of my game, I either export it automatically through Eclipse with the library jar, or, if that doesn't work, use JarSplice. I've tried several solutions, and nothing works. When I try to pack the game jar and the library jar using JarSplice, I get an error saying that there's either duplicate .project or .classpath. When I try to export my game through Eclipse with the library jar, it won't run (which is to be expected), but then, if I try to attach the natives with JarSplice, it doesn't give me any errors but the jar doesn't run. I'm not expecting anyone to solve this, but if anyone has an idea, something that will allow me to never look at the Gamepad code ever again, that would be awesome. I don't care if I have to package my library jar using JarSplice 5 times, and then do the same with the game jar, as long as it works. Otherwise I'll just have to copy the Gamepad class into every project alongside the library jar. :(

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• EJB Persist On Master Child Relationship

  - by deepak.siddappa(at)oracle.com

  Let us take scenario where in users wants to persist master child relationship. Here will have two tables dept, emp (using Scott Schema) which are having master child relation.Model Diagram: Here in the above model diagram, Dept is the Master table and Emp is child table and Dept is related to emp by one to n relationship. Lets assume we need to make new entries in emp table using EJB persist method. Create a Emp form manually dropping the fields, where deptno will be dropped as Single Selection -> ADF Select One Choice (which is a foreign key in emp table) from deptFindAll DC. Make sure to bind all field variables in backing bean.Employee Form:Once the Emp form created, If the persistEmp() method is used to commit the record this will persist all the Emp fields into emp table except deptno, because the deptno will be passed as a Object reference in persistEmp method  (Its foreign key reference). So directly deptno can't be passed to the persistEmp method instead deptno should be explicitly set to the emp object, then the persist will save the deptno to the emp table.Below solution is one way of work around to achieve this scenario -Create a method in sessionBean for adding emp records and expose this method in DataControl.     For Ex: Here in the below code 'em" is a EntityManager.            private EntityManager em - will be member variable in sessionEJBBeanpublic void addEmpRecord(String ename, String job, BigDecimal deptno) { Emp emp = new Emp(); emp.setEname(ename); emp.setJob(job); //setting the deptno explicitly Dept dept = new Dept(); dept.setDeptno(deptno); //passing the dept object emp.setDept(dept); //persist the emp object data to Emp table em.persist(emp); }From DataControl palette Drop addEmpRecord as Method ADF button, In Edit action binding window enter the parameter values which are binded in backing bean.     For Ex:     If the name deptno textfield is binded with "deptno" variable in backing bean, then El Expression Builder pass value as "#{backingbean.deptno.value}"Binding:

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• XML Schema: Namespace issues when importing shared elements

  - by netzwerg

  When trying to import shared definitions from a XML Schema, I can properly reference shared types, but referencing shared elements causes validation errors. This is the schema that imports the shared definitions (example.xsd): <?xml version="1.0" encoding="UTF-8"?> <xs:schema elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:shared="http://shared.com"> <xs:import namespace="http://shared.com" schemaLocation="shared.xsd"/> <xs:element name="example"> <xs:complexType> <xs:sequence> <xs:element ref="importedElement"/> <xs:element ref="importedType"/> </xs:sequence> </xs:complexType> </xs:element> <xs:element name="importedElement"> <xs:complexType> <xs:sequence> <xs:element ref="shared:fooElement"/> </xs:sequence> </xs:complexType> </xs:element> <xs:element name="importedType"> <xs:complexType> <xs:sequence> <xs:element name="bar" type="shared:barType"/> </xs:sequence> </xs:complexType> </xs:element> </xs:schema> These are the shared definitions (shared.xsd): <?xml version="1.0" encoding="UTF-8"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://shared.com" targetNamespace="http://shared.com"> <xs:element name="fooElement"> <xs:simpleType> <xs:restriction base="xs:integer"/> </xs:simpleType> </xs:element> <xs:simpleType name="barType"> <xs:restriction base="xs:integer"/> </xs:simpleType> </xs:schema> Now consider this XML instance: <?xml version="1.0"?> <example xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="example.xsd"> <importedElement> <fooElement>42</fooElement> </importedElement> <importedType> <bar>42</bar> </importedType> </example> When validated, the "importedType" works perfectly fine, but the "importedElement" gives the following error: Invalid content was found starting with element 'fooElement'. One of '{"http://shared.com":fooElement}' is expected I would guess that my troubles are related to namespace issues (hence the somehow misleading "got fooElement but was expecting fooElement") -- any hints on what's wrong here?

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• Error running java -jar command

  - by dmantamp

  Hi all, I created a jar file using the following ANT script <manifestclasspath property="jar.classpath" jarfile="${bin.dir}/${jar.app.name}" maxparentlevels="0"> <classpath refid="main.class.path" /> </manifestclasspath> <target name="jar"> <mkdir dir="${build.dir}/lib/isp"/> <mkdir dir="${build.dir}/lib/jasper"/> <copy todir="${build.dir}/lib/jasper"> <fileset dir="${lib.jasper.dir}"> <include name="**/*.jar" /> </fileset> </copy> <copy todir="${build.dir}/lib/isp"> <fileset dir="${lib.isp.dir}"> <include name="**/*.jar" /> </fileset> </copy> <jar jarfile="${bin.dir}/${jar.app.name}" index="true" basedir="${classes.dir}" excludes="lib/mytest.jar " > <manifest> <attribute name="Main-Class" value="${main.class}" /> <attribute name="Class-Path" value="${jar.classpath}" /> </manifest> </jar> </target> The resulting jar file has the following MANIFEST.MF entry. Main-Class: dm.jb.Main Class-Path: lib/isp/OfficeLnFs_2.2.jar lib/isp/RXTXcomm.jar lib/isp/ba rbecue-1.0.6d.jar lib/isp/commons-logging-1.1.jar lib/isp/forms-1.0.5 .jar lib/isp/gnujaxp.jar lib/isp/helpUI.jar lib/isp/inspInstaller.jar lib/isp/itext-2.0.1.jar lib/isp/itext-2.0.2.jar lib/isp/jcalendar-1. 3.2.jar lib/isp/jcl.jar lib/isp/jcommon-1.0.10.jar lib/isp/jcommon-1. 0.9.jar lib/isp/jdnc-0_7-all.jar lib/isp/jdnc-runner.jar lib/isp/jdom .jar lib/isp/jfreechart-1.0.6.jar lib/isp/jlfgr-1_0.jar lib/isp/junit .jar lib/isp/log4j-1.2.9.jar lib/isp/looks-1.3.2.jar lib/isp/msbase.j ar lib/isp/mssqlserver.jar lib/isp/msutil.jar lib/isp/mysql-connector When I try to run the command java -jar mytest.jar, it fails and throws error saying dm.jb.Main not found. But I could run the class by specifying the classpath java -classpath dm.jb.Main Please help me DM

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• Why is Java EE 6 better than Spring ?

  - by arungupta

  Java EE 6 was released over 2 years ago and now there are 14 compliant application servers. In all my talks around the world, a question that is frequently asked is Why should I use Java EE 6 instead of Spring ? There are already several blogs covering that topic: Java EE wins over Spring by Bill Burke Why will I use Java EE instead of Spring in new Enterprise Java projects in 2012 ? by Kai Waehner (more discussion on TSS) Spring to Java EE migration (Part 1 and 2, 3 and 4 coming as well) by David Heffelfinger Spring to Java EE - A Migration Experience by Lincoln Baxter Migrating Spring to Java EE 6 by Bert Ertman and Paul Bakker at NLJUG Moving from Spring to Java EE 6 - The Age of Frameworks is Over at TSS Java EE vs Spring Shootout by Rohit Kelapure and Reza Rehman at JavaOne 2011 Java EE 6 and the Ewoks by Murat Yener Definite excuse to avoid Spring forever - Bert Ertman and Arun Gupta I will try to share my perspective in this blog. First of all, I'd like to start with a note: Thank you Spring framework for filling the interim gap and providing functionality that is now included in the mainstream Java EE 6 application servers. The Java EE platform has evolved over the years learning from frameworks like Spring and provides all the functionality to build an enterprise application. Thank you very much Spring framework! While Spring was revolutionary in its time and is still very popular and quite main stream in the same way Struts was circa 2003, it really is last generation's framework - some people are even calling it legacy. However my theory is "code is king". So my approach is to build/take a simple Hello World CRUD application in Java EE 6 and Spring and compare the deployable artifacts. I started looking at the official tutorial Developing a Spring Framework MVC Application Step-by-Step but it is using the older version 2.5. I wasn't able to find any updated version in the current 3.1 release. Next, I downloaded Spring Tool Suite and thought that would provide some template samples to get started. A least a quick search did not show any handy tutorials - either video or text-based. So I searched and found a link to their SVN repository at src.springframework.org/svn/spring-samples/. I tried the "mvc-basic" sample and the generated WAR file was 4.43 MB. While it was named a "basic" sample it seemed to come with 19 different libraries bundled but it was what I could find: ./WEB-INF/lib/aopalliance-1.0.jar./WEB-INF/lib/hibernate-validator-4.1.0.Final.jar./WEB-INF/lib/jcl-over-slf4j-1.6.1.jar./WEB-INF/lib/joda-time-1.6.2.jar./WEB-INF/lib/joda-time-jsptags-1.0.2.jar./WEB-INF/lib/jstl-1.2.jar./WEB-INF/lib/log4j-1.2.16.jar./WEB-INF/lib/slf4j-api-1.6.1.jar./WEB-INF/lib/slf4j-log4j12-1.6.1.jar./WEB-INF/lib/spring-aop-3.0.5.RELEASE.jar./WEB-INF/lib/spring-asm-3.0.5.RELEASE.jar./WEB-INF/lib/spring-beans-3.0.5.RELEASE.jar./WEB-INF/lib/spring-context-3.0.5.RELEASE.jar./WEB-INF/lib/spring-context-support-3.0.5.RELEASE.jar./WEB-INF/lib/spring-core-3.0.5.RELEASE.jar./WEB-INF/lib/spring-expression-3.0.5.RELEASE.jar./WEB-INF/lib/spring-web-3.0.5.RELEASE.jar./WEB-INF/lib/spring-webmvc-3.0.5.RELEASE.jar./WEB-INF/lib/validation-api-1.0.0.GA.jar And it is not even using any database! The app deployed fine on GlassFish 3.1.2 but the "@Controller Example" link did not work as it was missing the context root. With a bit of tweaking I could deploy the application and assume that the account got created because no error was displayed in the browser or server log. Next I generated the WAR for "mvc-ajax" and the 5.1 MB WAR had 20 JARs (1 removed, 2 added): ./WEB-INF/lib/aopalliance-1.0.jar./WEB-INF/lib/hibernate-validator-4.1.0.Final.jar./WEB-INF/lib/jackson-core-asl-1.6.4.jar./WEB-INF/lib/jackson-mapper-asl-1.6.4.jar./WEB-INF/lib/jcl-over-slf4j-1.6.1.jar./WEB-INF/lib/joda-time-1.6.2.jar./WEB-INF/lib/jstl-1.2.jar./WEB-INF/lib/log4j-1.2.16.jar./WEB-INF/lib/slf4j-api-1.6.1.jar./WEB-INF/lib/slf4j-log4j12-1.6.1.jar./WEB-INF/lib/spring-aop-3.0.5.RELEASE.jar./WEB-INF/lib/spring-asm-3.0.5.RELEASE.jar./WEB-INF/lib/spring-beans-3.0.5.RELEASE.jar./WEB-INF/lib/spring-context-3.0.5.RELEASE.jar./WEB-INF/lib/spring-context-support-3.0.5.RELEASE.jar./WEB-INF/lib/spring-core-3.0.5.RELEASE.jar./WEB-INF/lib/spring-expression-3.0.5.RELEASE.jar./WEB-INF/lib/spring-web-3.0.5.RELEASE.jar./WEB-INF/lib/spring-webmvc-3.0.5.RELEASE.jar./WEB-INF/lib/validation-api-1.0.0.GA.jar 2 more JARs for just doing Ajax. Anyway, deploying this application gave the following error: Caused by: java.lang.NoSuchMethodError: org.codehaus.jackson.map.SerializationConfig.<init>(Lorg/codehaus/jackson/map/ClassIntrospector;Lorg/codehaus/jackson/map/AnnotationIntrospector;Lorg/codehaus/jackson/map/introspect/VisibilityChecker;Lorg/codehaus/jackson/map/jsontype/SubtypeResolver;)V    at org.springframework.samples.mvc.ajax.json.ConversionServiceAwareObjectMapper.<init>(ConversionServiceAwareObjectMapper.java:20)    at org.springframework.samples.mvc.ajax.json.JacksonConversionServiceConfigurer.postProcessAfterInitialization(JacksonConversionServiceConfigurer.java:40)    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:407) Seems like some incorrect repos in the "pom.xml". Next one is "mvc-showcase" and the 6.49 MB WAR now has 28 JARs as shown below: ./WEB-INF/lib/aopalliance-1.0.jar./WEB-INF/lib/aspectjrt-1.6.10.jar./WEB-INF/lib/commons-fileupload-1.2.2.jar./WEB-INF/lib/commons-io-2.0.1.jar./WEB-INF/lib/el-api-2.2.jar./WEB-INF/lib/hibernate-validator-4.1.0.Final.jar./WEB-INF/lib/jackson-core-asl-1.8.1.jar./WEB-INF/lib/jackson-mapper-asl-1.8.1.jar./WEB-INF/lib/javax.inject-1.jar./WEB-INF/lib/jcl-over-slf4j-1.6.1.jar./WEB-INF/lib/jdom-1.0.jar./WEB-INF/lib/joda-time-1.6.2.jar./WEB-INF/lib/jstl-api-1.2.jar./WEB-INF/lib/jstl-impl-1.2.jar./WEB-INF/lib/log4j-1.2.16.jar./WEB-INF/lib/rome-1.0.0.jar./WEB-INF/lib/slf4j-api-1.6.1.jar./WEB-INF/lib/slf4j-log4j12-1.6.1.jar./WEB-INF/lib/spring-aop-3.1.0.RELEASE.jar./WEB-INF/lib/spring-asm-3.1.0.RELEASE.jar./WEB-INF/lib/spring-beans-3.1.0.RELEASE.jar./WEB-INF/lib/spring-context-3.1.0.RELEASE.jar./WEB-INF/lib/spring-context-support-3.1.0.RELEASE.jar./WEB-INF/lib/spring-core-3.1.0.RELEASE.jar./WEB-INF/lib/spring-expression-3.1.0.RELEASE.jar./WEB-INF/lib/spring-web-3.1.0.RELEASE.jar./WEB-INF/lib/spring-webmvc-3.1.0.RELEASE.jar./WEB-INF/lib/validation-api-1.0.0.GA.jar The app at least deployed and showed results this time. But still no database! Next I tried building "jpetstore" and got the error: [ERROR] Failed to execute goal on project org.springframework.samples.jpetstore:Could not resolve dependencies for project org.springframework.samples:org.springframework.samples.jpetstore:war:1.0.0-SNAPSHOT: Failed to collect dependencies for [commons-fileupload:commons-fileupload:jar:1.2.1 (compile), org.apache.struts:com.springsource.org.apache.struts:jar:1.2.9 (compile), javax.xml.rpc:com.springsource.javax.xml.rpc:jar:1.1.0 (compile), org.apache.commons:com.springsource.org.apache.commons.dbcp:jar:1.2.2.osgi (compile), commons-io:commons-io:jar:1.3.2 (compile), hsqldb:hsqldb:jar:1.8.0.7 (compile), org.apache.tiles:tiles-core:jar:2.2.0 (compile), org.apache.tiles:tiles-jsp:jar:2.2.0 (compile), org.tuckey:urlrewritefilter:jar:3.1.0 (compile), org.springframework:spring-webmvc:jar:3.0.0.BUILD-SNAPSHOT (compile), org.springframework:spring-orm:jar:3.0.0.BUILD-SNAPSHOT (compile), org.springframework:spring-context-support:jar:3.0.0.BUILD-SNAPSHOT (compile), org.springframework.webflow:spring-js:jar:2.0.7.RELEASE (compile), org.apache.ibatis:com.springsource.com.ibatis:jar:2.3.4.726 (runtime), com.caucho:com.springsource.com.caucho:jar:3.2.1 (compile), org.apache.axis:com.springsource.org.apache.axis:jar:1.4.0 (compile), javax.wsdl:com.springsource.javax.wsdl:jar:1.6.1 (compile), javax.servlet:jstl:jar:1.2 (runtime), org.aspectj:aspectjweaver:jar:1.6.5 (compile), javax.servlet:servlet-api:jar:2.5 (provided), javax.servlet.jsp:jsp-api:jar:2.1 (provided), junit:junit:jar:4.6 (test)]: Failed to read artifact descriptor for org.springframework:spring-webmvc:jar:3.0.0.BUILD-SNAPSHOT: Could not transfer artifact org.springframework:spring-webmvc:pom:3.0.0.BUILD-SNAPSHOT from/to JBoss repository (http://repository.jboss.com/maven2): Access denied to: http://repository.jboss.com/maven2/org/springframework/spring-webmvc/3.0.0.BUILD-SNAPSHOT/spring-webmvc-3.0.0.BUILD-SNAPSHOT.pom It appears the sample is broken - maybe I was pulling from the wrong repository - would be great if someone were to point me at a good target to use here. With a 50% hit on samples in this repository, I started searching through numerous blogs, most of which have either outdated information (using XML-heavy Spring 2.5), some piece of configuration (which is a typical "feature" of Spring) is missing, or too much complexity in the sample. I finally found this blog that worked like a charm. This blog creates a trivial Spring MVC 3 application using Hibernate and MySQL. This application performs CRUD operations on a single table in a database using typical Spring technologies.  I downloaded the sample code from the blog, deployed it on GlassFish 3.1.2 and could CRUD the "person" entity. The source code for this application can be downloaded here. More details on the application statistics below. And then I built a similar CRUD application in Java EE 6 using NetBeans wizards in a couple of minutes. The source code for the application can be downloaded here and the WAR here. The Spring Source Tool Suite may also offer similar wizard-driven capabilities but this blog focus primarily on comparing the runtimes. The lack of STS tutorials was slightly disappointing as well. NetBeans however has tons of text-based and video tutorials and tons of material even by the community. One more bit on the download size of tools bundle ... NetBeans 7.1.1 "All" is 211 MB (which includes GlassFish and Tomcat) Spring Tool Suite  2.9.0 is 347 MB (~ 65% bigger) This blog is not about the tooling comparison so back to the Java EE 6 version of the application .... In order to run the Java EE version on GlassFish, copy the MySQL Connector/J to glassfish3/glassfish/domains/domain1/lib/ext directory and create a JDBC connection pool and JDBC resource as: ./bin/asadmin create-jdbc-connection-pool --datasourceclassname \\ com.mysql.jdbc.jdbc2.optional.MysqlDataSource --restype \\ javax.sql.DataSource --property \\ portNumber=3306:user=mysql:password=mysql:databaseName=mydatabase \\ myConnectionPool ./bin/asadmin create-jdbc-resource --connectionpoolid myConnectionPool jdbc/myDataSource I generated WARs for the two projects and the table below highlights some differences between them: Java EE 6 Spring WAR File Size 0.021030 MB 10.87 MB (~516x) Number of files 20 53 (> 2.5x) Bundled libraries 0 36 Total size of libraries 0 12.1 MB XML files 3 5 LoC in XML files 50 (11 + 15 + 24) 129 (27 + 46 + 16 + 11 + 19) (~ 2.5x) Total .properties files 1 Bundle.properties 2 spring.properties, log4j.properties Cold Deploy 5,339 ms 11,724 ms Second Deploy 481 ms 6,261 ms Third Deploy 528 ms 5,484 ms Fourth Deploy 484 ms 5,576 ms Runtime memory ~73 MB ~101 MB Some points worth highlighting from the table ... 516x WAR file, 10x deployment time - With 12.1 MB of libraries (for a very basic application) bundled in your application, the WAR file size and the deployment time will naturally go higher. The WAR file for Spring-based application is 516x bigger and the deployment time is double during the first deployment and ~ 10x during subsequent deployments. The Java EE 6 application is fully portable and will run on any Java EE 6 compliant application server. 36 libraries in the WAR - There are 14 Java EE 6 compliant application servers today. Each of those servers provide all the functionality like transactions, dependency injection, security, persistence, etc typically required of an enterprise or web application. There is no need to bundle 36 libraries worth 12.1 MB for a trivial CRUD application. These 14 compliant application servers provide all the functionality baked in. Now you can also deploy these libraries in the container but then you don't get the "portability" offered by Spring in that case. Does your typical Spring deployment actually do that ? 3x LoC in XML - The number of XML files is about 1.6x and the LoC is ~ 2.5x. So much XML seems circa 2003 when the Java language had no annotations. The XML files can be further reduced, e.g. faces-config.xml can be replaced without providing i18n, but I just want to compare stock applications. Memory usage - Both the applications were deployed on default GlassFish 3.1.2 installation and any additional memory consumed as part of deployment/access was attributed to the application. This is by no means scientific but at least provides an initial ballpark. This area definitely needs more investigation. Another table that compares typical Java EE 6 compliant application servers and the custom-stack created for a Spring application ... Java EE 6 Spring Web Container ? 53 MB (tcServer 2.6.3 Developer Edition) Security ? 12 MB (Spring Security 3.1.0) Persistence ? 6.3 MB (Hibernate 4.1.0, required) Dependency Injection ? 5.3 MB (Framework) Web Services ? 796 KB (Spring WS 2.0.4) Messaging ? 3.4 MB (RabbitMQ Server 2.7.1) 936 KB (Java client 936) OSGi ? 1.3 MB (Spring OSGi 1.2.1) GlassFish and WebLogic (starting at 33 MB) 83.3 MB There are differentiating factors on both the stacks. But most of the functionality like security, persistence, and dependency injection is baked in a Java EE 6 compliant application server but needs to be individually managed and patched for a Spring application. This very quickly leads to a "stack explosion". The Java EE 6 servers are tested extensively on a variety of platforms in different combinations whereas a Spring application developer is responsible for testing with different JDKs, Operating Systems, Versions, Patches, etc. Oracle has both the leading OSS lightweight server with GlassFish and the leading enterprise Java server with WebLogic Server, both Java EE 6 and both with lightweight deployment options. The Web Container offered as part of a Java EE 6 application server not only deploys your enterprise Java applications but also provide operational management, diagnostics, and mission-critical capabilities required by your applications. The Java EE 6 platform also introduced the Web Profile which is a subset of the specifications from the entire platform. It is targeted at developers of modern web applications offering a reasonably complete stack, composed of standard APIs, and is capable out-of-the-box of addressing the needs of a large class of Web applications. As your applications grow, the stack can grow to the full Java EE 6 platform. The GlassFish Server Web Profile starting at 33MB (smaller than just the non-standard tcServer) provides most of the functionality typically required by a web application. WebLogic provides battle-tested functionality for a high throughput, low latency, and enterprise grade web application. No individual managing or patching, all tested and commercially supported for you! Note that VMWare does have a server, tcServer, but it is non-standard and not even certified to the level of the standard Web Profile most customers expect these days. Customers who choose this risk proprietary lock-in since VMWare does not seem to want to formally certify with either Java EE 6 Enterprise Platform or with Java EE 6 Web Profile but of course it would be great if they were to join the community and help their customers reduce the risk of deploying on VMWare software. Some more points to help you decide choose between Java EE 6 and Spring ... Freedom to choose container - There are 14 Java EE 6 compliant application servers today, with a variety of open source and commercial offerings. A Java EE 6 application can be deployed on any of those containers. So if you deployed your application on GlassFish today and would like to scale up with your demands then you can deploy the same application to WebLogic. And because of the portability of a Java EE 6 application, you can even take it a different vendor altogether. Spring requires a runtime which could be any of these app servers as well. But why use Spring when all the required functionality is already baked into the application server itself ? Spring also has a different definition of portability where they claim to bundle all the libraries in the WAR file and move to any application server. But we saw earlier how bloated that archive could be. The equivalent features in Spring runtime offerings (mainly tcServer) are not all open source, not as mature, and often require manual assembly.  Vendor choice - The Java EE 6 platform is created using the Java Community Process where all the big players like Oracle, IBM, RedHat, and Apache are conritbuting to make the platform successful. Each application server provides the basic Java EE 6 platform compliance and has its own competitive offerings. This allows you to choose an application server for deploying your Java EE 6 applications. If you are not happy with the support or feature of one vendor then you can move your application to a different vendor because of the portability promise offered by the platform. Spring is a set of products from a single company, one price book, one support organization, one sustaining organization, one sales organization, etc. If any of those cause a customer headache, where do you go ? Java EE, backed by multiple vendors, is a safer bet for those that are risk averse. Production support - With Spring, typically you need to get support from two vendors - VMWare and the container provider. With Java EE 6, all of this is typically provided by one vendor. For example, Oracle offers commercial support from systems, operating systems, JDK, application server, and applications on top of them. VMWare certainly offers complete production support but do you really want to put all your eggs in one basket ? Do you really use tcServer ? ;-) Maintainability - With Spring, you are likely building your own distribution with multiple JAR files, integrating, patching, versioning, etc of all those components. Spring's claim is that multiple JAR files allow you to go à la carte and pick the latest versions of different components. But who is responsible for testing whether all these versions work together ? Yep, you got it, its YOU! If something does not work, who patches and maintains the JARs ? Of course, you! Commercial support for such a configuration ? On your own! The Java EE application servers manage all of this for you and provide a well-tested and commercially supported bundle. While it is always good to realize that there is something new and improved that updates and replaces older frameworks like Spring, the good news is not only does a Java EE 6 container offer what is described here, most also will let you deploy and run your Spring applications on them while you go through an upgrade to a more modern architecture. End result, you get the best of both worlds - keeping your legacy investment but moving to a more agile, lightweight world of Java EE 6. A message to the Spring lovers ... The complexity in J2EE 1.2, 1.3, and 1.4 led to the genesis of Spring but that was in 2004. This is 2012 and the name has changed to "Java EE 6" :-) There are tons of improvements in the Java EE platform to make it easy-to-use and powerful. Some examples: Adding @Stateless on a POJO makes it an EJB EJBs can be packaged in a WAR with no special packaging or deployment descriptors "web.xml" and "faces-config.xml" are optional in most of the common cases Typesafe dependency injection is now part of the Java EE platform Add @Path on a POJO allows you to publish it as a RESTful resource EJBs can be used as backing beans for Facelets-driven JSF pages providing full MVC Java EE 6 WARs are known to be kilobytes in size and deployed in milliseconds Tons of other simplifications in the platform and application servers So if you moved away from J2EE to Spring many years ago and have not looked at Java EE 6 (which has been out since Dec 2009) then you should definitely try it out. Just be at least aware of what other alternatives are available instead of restricting yourself to one stack. Here are some workshops and screencasts worth trying: screencast #37 shows how to build an end-to-end application using NetBeans screencast #36 builds the same application using Eclipse javaee-lab-feb2012.pdf is a 3-4 hours self-paced hands-on workshop that guides you to build a comprehensive Java EE 6 application using NetBeans Each city generally has a "spring cleanup" program every year. It allows you to clean up the mess from your house. For your software projects, you don't need to wait for an annual event, just get started and reduce the technical debt now! Move away from your legacy Spring-based applications to a lighter and more modern approach of building enterprise Java applications using Java EE 6. Watch this beautiful presentation that explains how to migrate from Spring -> Java EE 6: List of files in the Java EE 6 project: ./index.xhtml./META-INF./person./person/Create.xhtml./person/Edit.xhtml./person/List.xhtml./person/View.xhtml./resources./resources/css./resources/css/jsfcrud.css./template.xhtml./WEB-INF./WEB-INF/classes./WEB-INF/classes/Bundle.properties./WEB-INF/classes/META-INF./WEB-INF/classes/META-INF/persistence.xml./WEB-INF/classes/org./WEB-INF/classes/org/javaee./WEB-INF/classes/org/javaee/javaeemysql./WEB-INF/classes/org/javaee/javaeemysql/AbstractFacade.class./WEB-INF/classes/org/javaee/javaeemysql/Person.class./WEB-INF/classes/org/javaee/javaeemysql/Person_.class./WEB-INF/classes/org/javaee/javaeemysql/PersonController$1.class./WEB-INF/classes/org/javaee/javaeemysql/PersonController$PersonControllerConverter.class./WEB-INF/classes/org/javaee/javaeemysql/PersonController.class./WEB-INF/classes/org/javaee/javaeemysql/PersonFacade.class./WEB-INF/classes/org/javaee/javaeemysql/util./WEB-INF/classes/org/javaee/javaeemysql/util/JsfUtil.class./WEB-INF/classes/org/javaee/javaeemysql/util/PaginationHelper.class./WEB-INF/faces-config.xml./WEB-INF/web.xml List of files in the Spring 3.x project: ./META-INF ./META-INF/MANIFEST.MF./WEB-INF./WEB-INF/applicationContext.xml./WEB-INF/classes./WEB-INF/classes/log4j.properties./WEB-INF/classes/org./WEB-INF/classes/org/krams ./WEB-INF/classes/org/krams/tutorial ./WEB-INF/classes/org/krams/tutorial/controller ./WEB-INF/classes/org/krams/tutorial/controller/MainController.class ./WEB-INF/classes/org/krams/tutorial/domain ./WEB-INF/classes/org/krams/tutorial/domain/Person.class ./WEB-INF/classes/org/krams/tutorial/service ./WEB-INF/classes/org/krams/tutorial/service/PersonService.class ./WEB-INF/hibernate-context.xml ./WEB-INF/hibernate.cfg.xml ./WEB-INF/jsp ./WEB-INF/jsp/addedpage.jsp ./WEB-INF/jsp/addpage.jsp ./WEB-INF/jsp/deletedpage.jsp ./WEB-INF/jsp/editedpage.jsp ./WEB-INF/jsp/editpage.jsp ./WEB-INF/jsp/personspage.jsp ./WEB-INF/lib ./WEB-INF/lib/antlr-2.7.6.jar ./WEB-INF/lib/aopalliance-1.0.jar ./WEB-INF/lib/c3p0-0.9.1.2.jar ./WEB-INF/lib/cglib-nodep-2.2.jar ./WEB-INF/lib/commons-beanutils-1.8.3.jar ./WEB-INF/lib/commons-collections-3.2.1.jar ./WEB-INF/lib/commons-digester-2.1.jar ./WEB-INF/lib/commons-logging-1.1.1.jar ./WEB-INF/lib/dom4j-1.6.1.jar ./WEB-INF/lib/ejb3-persistence-1.0.2.GA.jar ./WEB-INF/lib/hibernate-annotations-3.4.0.GA.jar ./WEB-INF/lib/hibernate-commons-annotations-3.1.0.GA.jar ./WEB-INF/lib/hibernate-core-3.3.2.GA.jar ./WEB-INF/lib/javassist-3.7.ga.jar ./WEB-INF/lib/jstl-1.1.2.jar ./WEB-INF/lib/jta-1.1.jar ./WEB-INF/lib/junit-4.8.1.jar ./WEB-INF/lib/log4j-1.2.14.jar ./WEB-INF/lib/mysql-connector-java-5.1.14.jar ./WEB-INF/lib/persistence-api-1.0.jar ./WEB-INF/lib/slf4j-api-1.6.1.jar ./WEB-INF/lib/slf4j-log4j12-1.6.1.jar ./WEB-INF/lib/spring-aop-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-asm-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-beans-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-context-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-context-support-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-core-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-expression-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-jdbc-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-orm-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-tx-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-web-3.0.5.RELEASE.jar ./WEB-INF/lib/spring-webmvc-3.0.5.RELEASE.jar ./WEB-INF/lib/standard-1.1.2.jar ./WEB-INF/lib/xml-apis-1.0.b2.jar ./WEB-INF/spring-servlet.xml ./WEB-INF/spring.properties ./WEB-INF/web.xml So, are you excited about Java EE 6 ? Want to get started now ? Here are some resources: Java EE 6 SDK (including runtime, samples, tutorials etc) GlassFish Server Open Source Edition 3.1.2 (Community) Oracle GlassFish Server 3.1.2 (Commercial) Java EE 6 using WebLogic 12c and NetBeans (Video) Java EE 6 with NetBeans and GlassFish (Video) Java EE with Eclipse and GlassFish (Video)

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• Getting .jar file onto a mobile phone error

  - by me123

  Hello, I am trying to get a .jar file onto my mobile device. I have written a j2me application and I want to get it onto my phone. I have developed it in eclipse galileo and I export my project folder to a jar. When I try to download the jar file from the internet onto my phone I get an "incorrect description" error. Does anyone know how to get a j2me application onto a mobile device or why I may be getting this error? Thanks in advance.

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• create manifest without classpath entries in ejb-client jar, but have classpath entries in main ejb

  - by Paresh Patel

  Hi, I am using maven-ejb-plugin to generate the ejb jar and the client jar. Also I am using archive to generate the manifest file. But the problem is I need the classpath entries in the ejb jar but not in the client jar. Is there any configuration available to addClasspath only in the main jar and in the client jar do not set the class path? Thanks in advance.

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• Does IntelliJ-Idea support Groovy 2.x?

  - by Freewind

  I just tried IntelliJ-Idea 11.x and 12.x (EPA), but when I use Groovy 2.0.1 or 2.0.5, the code can't be run and there are some errors out there. The Groovy plugin of idea has little information about which version of Groovy has been supported. Does idea support Groovy 2.x? I want to try the new @TypeChecked annotation of Groovy 2. UPDATE My groovy code: class X { def hello() { println("hello, groovy") } def static main(String[] args) { new X().hello() } } It uses groovy 2.0.5: And the error thrown: E:\java\jdk1.6.0_29_x64\bin\java -Didea.launcher.port=7532 "-Didea.launcher.bin.path=E:\java\IntelliJ IDEA 11.1.4\bin" -Dfile.encoding=UTF-8 -classpath "E:\java\jdk1.6.0_29_x64\jre\lib\charsets.jar;E:\java\jdk1.6.0_29_x64\jre\lib\deploy.jar;E:\java\jdk1.6.0_29_x64\jre\lib\javaws.jar;E:\java\jdk1.6.0_29_x64\jre\lib\jce.jar;E:\java\jdk1.6.0_29_x64\jre\lib\jsse.jar;E:\java\jdk1.6.0_29_x64\jre\lib\management-agent.jar;E:\java\jdk1.6.0_29_x64\jre\lib\plugin.jar;E:\java\jdk1.6.0_29_x64\jre\lib\resources.jar;E:\java\jdk1.6.0_29_x64\jre\lib\rt.jar;E:\java\jdk1.6.0_29_x64\jre\lib\ext\dcevm.jar;E:\java\jdk1.6.0_29_x64\jre\lib\ext\dnsns.jar;E:\java\jdk1.6.0_29_x64\jre\lib\ext\localedata.jar;E:\java\jdk1.6.0_29_x64\jre\lib\ext\sunjce_provider.jar;E:\WORKSPACE\TestGroovy2\out\production\TestGroovy2;E:\java\groovy-2.0.5\lib\ant-1.8.4.jar;E:\java\groovy-2.0.5\lib\ant-antlr-1.8.4.jar;E:\java\groovy-2.0.5\lib\ant-junit-1.8.4.jar;E:\java\groovy-2.0.5\lib\ant-launcher-1.8.4.jar;E:\java\groovy-2.0.5\lib\antlr-2.7.7.jar;E:\java\groovy-2.0.5\lib\asm-4.0.jar;E:\java\groovy-2.0.5\lib\asm-analysis-4.0.jar;E:\java\groovy-2.0.5\lib\asm-commons-4.0.jar;E:\java\groovy-2.0.5\lib\asm-tree-4.0.jar;E:\java\groovy-2.0.5\lib\asm-util-4.0.jar;E:\java\groovy-2.0.5\lib\bsf-2.4.0.jar;E:\java\groovy-2.0.5\lib\commons-cli-1.2.jar;E:\java\groovy-2.0.5\lib\commons-logging-1.1.1.jar;E:\java\groovy-2.0.5\lib\gpars-1.0-beta-3.jar;E:\java\groovy-2.0.5\lib\groovy-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-ant-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-bsf-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-console-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-docgenerator-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-groovydoc-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-groovysh-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-jmx-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-json-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-jsr223-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-servlet-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-sql-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-swing-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-templates-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-test-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-testng-2.0.5.jar;E:\java\groovy-2.0.5\lib\groovy-xml-2.0.5.jar;E:\java\groovy-2.0.5\lib\hamcrest-core-1.1.jar;E:\java\groovy-2.0.5\lib\ivy-2.2.0.jar;E:\java\groovy-2.0.5\lib\jansi-1.6.jar;E:\java\groovy-2.0.5\lib\jcommander-1.12.jar;E:\java\groovy-2.0.5\lib\jline-1.0.jar;E:\java\groovy-2.0.5\lib\jsp-api-2.0.jar;E:\java\groovy-2.0.5\lib\jsr166y-1.7.0.jar;E:\java\groovy-2.0.5\lib\junit-4.10.jar;E:\java\groovy-2.0.5\lib\qdox-1.12.jar;E:\java\groovy-2.0.5\lib\servlet-api-2.4.jar;E:\java\groovy-2.0.5\lib\testng-6.5.2.jar;E:\java\groovy-2.0.5\lib\xmlpull-1.1.3.1.jar;E:\java\groovy-2.0.5\lib\xstream-1.4.2.jar;E:\java\IntelliJ IDEA 11.1.4\lib\idea_rt.jar" com.intellij.rt.execution.application.AppMain X Exception in thread "main" java.lang.IncompatibleClassChangeError: Found interface org.objectweb.asm.MethodVisitor, but class was expected at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.genConstructor(CallSiteGenerator.java:141) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.genPogoMetaMethodSite(CallSiteGenerator.java:162) at org.codehaus.groovy.runtime.callsite.CallSiteGenerator.compilePogoMethod(CallSiteGenerator.java:215) at org.codehaus.groovy.reflection.CachedMethod.createPogoMetaMethodSite(CachedMethod.java:228) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.createCachedMethodSite(PogoMetaMethodSite.java:212) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.createPogoMetaMethodSite(PogoMetaMethodSite.java:188) at groovy.lang.MetaClassImpl.createPogoCallSite(MetaClassImpl.java:3035) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createPogoSite(CallSiteArray.java:147) at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:161) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:112) at X.main(sta.groovy:6) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120) Process finished with exit code 1

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• Alternative for namespaces in xml

  - by mridul4c

  I have a web-service which gives a xml feed for number of clients of us, our clients consumes the xml in different types of devices. In our XML we have some namespaces also. But one of our clients can't detect namespaces because of some limitation at their end. But I can't provide a new xml for him as well. Please suggest me something so that I can satisfy the needs of namespaces without using that, so that i can change my xml to be usable by all of them. Thanks in advance.

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• include external jar when running java -jar

  - by prmatta

  From my readings, when you execute a command as follows: java -jar foo.jar Then the main classpath is ignored and the classpath is taken from the manifest file. Further, the classpath declared on the command line is also ignored. So in: java -classpath /usr/local/jar/foobar.jar -jar foo.jar /usr/local/jar/foobar.jar is ignored. Lastly, I have read that the manifest file can only only contain relative paths, within the jar file. So, how do you include absolute paths to external jars, that are present on the system, but not in the jar file being executed?

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• War wont deploy "Unresolved <ejb-link>" Glassfish 3, Netbeans 7

  - by Ime Imee

  I have enterprise aplication with ejb and war module, and since I created local interface web module wont deploy. It builds fine. EJB project is referenced inside web project. Also when I delete <ejb-local-ref> from web.xml it deploys, but then lookup method fails. Glassfish error: SEVERE: Exception while deploying the app [Projekat-war] : Error: Unresolved <ejb-link>: Projekat-ejb.jar#ZaWebSessionBean Simple interface: @Local public interface ZaWebSessionBeanLocal { String vrati(String str); } @Stateless public class ZaWebSessionBean implements ZaWebSessionBeanLocal { @Override public String vrati(String str) { return "vrati"; } // Add business logic below. (Right-click in editor and choose // "Insert Code > Add Business Method") } And web.xml <ejb-local-ref> <ejb-ref-name>ZaWebSessionBean</ejb-ref-name> <ejb-ref-type>Session</ejb-ref-type> <local>za_web.ZaWebSessionBeanLocal</local> <ejb-link>Projekat-ejb.jar#ZaWebSessionBean</ejb-link> </ejb-local-ref> Lookup method (generated) : public class HeaderBean { ZaWebSessionBeanLocal zaWebSessionBean = lookupZaWebSessionBeanLocal(); private ZaWebSessionBeanLocal lookupZaWebSessionBeanLocal() { try { Context c = new InitialContext(); return (ZaWebSessionBeanLocal) c.lookup("java:global/Projekat/Projekat-ejb/ZaWebSessionBean!za_web.ZaWebSessionBeanLocal"); } catch (NamingException ne) { Logger.getLogger(getClass().getName()).log(Level.SEVERE, "exception caught", ne); throw new RuntimeException(ne); } } Full log: SEVERE: Exception while deploying the app [Projekat-war] : Error: Unresolved <ejb-link>: Projekat-ejb.jar#ZaWebSessionBean SEVERE: Unresolved <ejb-link>: Projekat-ejb.jar#ZaWebSessionBean SEVERE: Exception while deploying the app [Projekat-war] SEVERE: Error: Unresolved <ejb-link>: Projekat-ejb.jar#ZaWebSessionBean java.lang.RuntimeException: Error: Unresolved <ejb-link>: Projekat-ejb.jar#ZaWebSessionBean at com.sun.enterprise.deployment.util.EjbBundleValidator.accept(EjbBundleValidator.java:724) at com.sun.enterprise.deployment.WebBundleDescriptor.visit(WebBundleDescriptor.java:2004) at com.sun.enterprise.deployment.Application.visit(Application.java:1777) at com.sun.enterprise.deployment.archivist.ApplicationFactory.openArchive(ApplicationFactory.java:195) at org.glassfish.javaee.core.deployment.DolProvider.load(DolProvider.java:185) at org.glassfish.javaee.core.deployment.DolProvider.load(DolProvider.java:94) at com.sun.enterprise.v3.server.ApplicationLifecycle.loadDeployer(ApplicationLifecycle.java:827) at com.sun.enterprise.v3.server.ApplicationLifecycle.setupContainerInfos(ApplicationLifecycle.java:769) at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:368) at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:240) at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:389) at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:348) at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:363) at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1085) at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1200(CommandRunnerImpl.java:95) at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1291) at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1259) at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:461) at com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:212) at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:179) at com.sun.enterprise.v3.server.HK2Dispatcher.dispath(HK2Dispatcher.java:117) at com.sun.enterprise.v3.services.impl.ContainerMapper$Hk2DispatcherCallable.call(ContainerMapper.java:354) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195) at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849) at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746) at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045) at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228) at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90) at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79) at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54) at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59) at com.sun.grizzly.ContextTask.run(ContextTask.java:71) at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532) at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513) at java.lang.Thread.run(Thread.java:619) SEVERE: Exception while deploying the app [Projekat-war] : Error: Unresolved <ejb-link>: Projekat-ejb.jar#ZaWebSessionBean

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• How to set classpath in manifest file , while creating JAR from eclipse?

  - by Hippo

  I am trying to creat JAR file through eclipse. I read some of the threads from stackoverflow as well as other forums. But nothing is helping. I have created a separate manifest file like this one. `Manifest-Version: 1.0 Main-Class: Main Class-Path: gnujaxp.jar iText-2.1.5.jar jcalendar.jar jcommon-1.0.16.jar jfreechart-1.0.13.jar jfreechart-1.0.13-experimental.jar jfreechart-1.0.13-swt.jar junit.jar servlet.jar swtgraphics2d.jar tinyos.jar ` I have put all this jars in same project folder. While exporting i am exporting all resources (meants this jar files also.) But still i am getting noclassdeffound error when my application tries to load any one of the jar included. M i wrong anywhere .. Thanks in advance.

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• Ejb 2.0 deployment issues on Jboss 5.1

  - by Ravi

  I am deploying an ear application on Jboss 5.1.0. and i facing some issues. I had two ears one i had copied to deploy folder and the other in deploy-hasingleton. The ear which is in deploy-hasingleton is throwing some errors.when i serached in google i came to know that there is some issue with EJB 2.x on jboss 5.1.i was not able to find the solution. Below is the log. profileservice-secured.jar 11:16:17,162 INFO [JBossASKernel] installing bean: jboss.j2ee:jar=profileservice-secured.jar,name=SecureManagementView,service=EJB3 11:16:17,162 INFO [JBossASKernel] with dependencies: 11:16:17,162 INFO [JBossASKernel] and demands: 11:16:17,162 INFO [JBossASKernel] jboss.ejb:service=EJBTimerService 11:16:17,162 INFO [JBossASKernel] and supplies: 11:16:17,162 INFO [JBossASKernel] jndi:SecureManagementView/remote-org.jboss.deployers.spi.management.ManagementView 11:16:17,162 INFO [JBossASKernel] Class:org.jboss.deployers.spi.management.ManagementView 11:16:17,162 INFO [JBossASKernel] jndi:SecureManagementView/remote 11:16:17,162 INFO [JBossASKernel] Added bean(jboss.j2ee:jar=profileservice-secured.jar,name=SecureManagementView,service=EJB3) to KernelDeployment of: profileservice-secured.jar 11:16:17,162 INFO [EJB3EndpointDeployer] Deploy AbstractBeanMetaData@17cabbb{name=jboss.j2ee:jar=profileservice-secured.jar,name=SecureProfileService,service=EJB3_endpoint bean=org.jboss.ejb3.endpoint.deployers.impl.EndpointImpl properties=[container] constructor=null autowireCandidate=true} 11:16:17,162 INFO [EJB3EndpointDeployer] Deploy AbstractBeanMetaData@1fedd5c{name=jboss.j2ee:jar=profileservice-secured.jar,name=SecureDeploymentManager,service=EJB3_endpoint bean=org.jboss.ejb3.endpoint.deployers.impl.EndpointImpl properties=[container] constructor=null autowireCandidate=true} 11:16:17,162 INFO [EJB3EndpointDeployer] Deploy AbstractBeanMetaData@1ef4b31{name=jboss.j2ee:jar=profileservice-secured.jar,name=SecureManagementView,service=EJB3_endpoint bean=org.jboss.ejb3.endpoint.deployers.impl.EndpointImpl properties=[container] constructor=null autowireCandidate=true} 11:16:17,833 INFO [SessionSpecContainer] Starting jboss.j2ee:jar=profileservice-secured.jar,name=SecureDeploymentManager,service=EJB3 11:16:17,833 INFO [EJBContainer] STARTED EJB: org.jboss.profileservice.ejb.SecureDeploymentManager ejbName: SecureDeploymentManager 11:16:18,066 INFO [JndiSessionRegistrarBase] Binding the following Entries in Global JNDI: SecureDeploymentManager/remote - EJB3.x Default Remote Business Interface SecureDeploymentManager/remote-org.jboss.deployers.spi.management.deploy.DeploymentManager - EJB3.x Remote Business Interface 11:16:18,129 INFO [SessionSpecContainer] Starting jboss.j2ee:jar=profileservice-secured.jar,name=SecureManagementView,service=EJB3 11:16:18,129 INFO [EJBContainer] STARTED EJB: org.jboss.profileservice.ejb.SecureManagementView ejbName: SecureManagementView 11:16:18,160 INFO [JndiSessionRegistrarBase] Binding the following Entries in Global JNDI: SecureManagementView/remote - EJB3.x Default Remote Business Interface SecureManagementView/remote-org.jboss.deployers.spi.management.ManagementView - EJB3.x Remote Business Interface 11:16:18,206 INFO [SessionSpecContainer] Starting jboss.j2ee:jar=profileservice-secured.jar,name=SecureProfileService,service=EJB3 11:16:18,206 INFO [EJBContainer] STARTED EJB: org.jboss.profileservice.ejb.SecureProfileServiceBean ejbName: SecureProfileService 11:16:18,238 INFO [JndiSessionRegistrarBase] Binding the following Entries in Global JNDI: SecureProfileService/remote - EJB3.x Default Remote Business Interface SecureProfileService/remote-org.jboss.profileservice.spi.ProfileService - EJB3.x Remote Business Interface 11:16:18,534 INFO [TomcatDeployment] deploy, ctxPath=/admin-console 11:16:18,612 INFO [config] Initializing Mojarra (1.2_12-b01-FCS) for context '/admin-console' 11:16:21,759 INFO [TomcatDeployment] deploy, ctxPath=/ 11:16:21,853 INFO [TomcatDeployment] deploy, ctxPath=/jmx-console 11:16:21,993 INFO [JBossASKernel] Created KernelDeployment for: hapi-0.5.jar 11:16:21,993 INFO [JBossASKernel] installing bean: jboss.j2ee:ear=jca-ear-1.3-SNAPSHOT.ear,jar=hapi-0.5.jar,name=hapi-0.5,service=EJB3 11:16:21,993 INFO [JBossASKernel] with dependencies: 11:16:21,993 INFO [JBossASKernel] and demands: 11:16:21,993 INFO [JBossASKernel] and supplies: 11:16:21,993 INFO [JBossASKernel] Added bean(jboss.j2ee:ear=jca-ear-1.3-SNAPSHOT.ear,jar=hapi-0.5.jar,name=hapi-0.5,service=EJB3) to KernelDeployment of: hapi-0.5.jar 11:16:23,302 INFO [ClientENCInjectionContainer] STARTED CLIENT ENC CONTAINER: hapi-0.5 11:16:23,473 INFO [SystemEventService] NODE_STARTED on node [HCA-5C1P1BS] 11:16:23,489 INFO [AbstractConnector] [aware] connector started 11:16:23,536 INFO [AbstractConnector] [datacaptor] connector started 11:16:23,536 INFO [AbstractConnector] [intellivue] connector started 11:16:23,972 ERROR [ProfileServiceBootstrap] Failed to load profile: Summary of incomplete deployments (SEE PREVIOUS ERRORS FOR DETAILS): DEPLOYMENTS MISSING DEPENDENCIES: Deployment "gehc.com:service=KernelServiceMBean" is missing the following dependencies: Dependency "jboss.j2ee:module=kernel-ejb-1.3-SNAPSHOT.jar,service=EjbModule" (should be in state "Create", but is actually in state " NOT FOUND Depends on 'jboss.j2ee:module=kernel-ejb-1.3-SNAPSHOT.jar,service=EjbModule' ") Deployment "jboss.j2ee:module="kernel-ejb-1.3-SNAPSHOT.jar",service=EjbModule" is missing the following dependencies: Dependency "gehc.com:service=KernelServiceMBean" (should be in state "Create", but is actually in state "Configured") DEPLOYMENTS IN ERROR: Deployment "jboss.j2ee:module=kernel-ejb-1.3-SNAPSHOT.jar,service=EjbModule" is in error due to the following reason(s): ** NOT FOUND Depends on 'jboss.j2ee:module=kernel-ejb-1.3-SNAPSHOT.jar,service=EjbModule' ** 11:16:24,003 INFO [Http11Protocol] Starting Coyote HTTP/1.1 on http-127.0.0.1-8080 11:16:24,034 INFO [AjpProtocol] Starting Coyote AJP/1.3 on ajp-127.0.0.1-8009 11:16:24,050 INFO [ServerImpl] JBoss (Microcontainer) [5.1.0.GA (build: SVNTag=JBoss_5_1_0_GA date=200905221053)] Started in 1m:49s:575ms I had marked the error with bold, there is some circular dependency also. Thanks Ravi S

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• Modify Executing Jar file

  - by pinkynobrain

  Hello Stack Overflow friends. I have a simple problem which i fear doesnt have a simple solution and i need advice as to how to proceed. I am developing a java application packaged as and executable JAR but it requires to modify some of its JAR file contents during execution. At this stage i hit a problem because some OS lock the file preventing writes to it. It is essential that the user sees an updated version of the jar file by the time the application exits allthough i can be pretty flexible as to how to achieve this. A clean and efficient solution is obviously prefereable but portability is the only hard requirement. The following are three approaches i can see to solving the problem, feel free to comment on them or suggest others. Tell Java to unlock the JAR file for writing(this doesnt seem possible but it would be the easyest solution) Copy the executable class files to a tempory file on application startup, use a class loader to load these files and unload the ones from the initial JAR file.(Not had much experience with the classloaders but hopefully the JVM would then be smart enough to realize that the original JAR is nolonger in use and so unlock it) Put a Second executable JAR File inside the First, on startup extract the inner jar to e temporaryfile, invoke a new java process and pass it the location of the Outer JAR, first process exits, second process modifys the Outer jar unincumbered.(This will work but im not sure there is a platform independant way of one java app invoking another) I know this is a weird question but any help would be appreciated.

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• Use XQuery to Access XML in Emacs

  - by Gregory Burd

  There you are working on a multi-MB/GB/TB XML document or set of documents, you want to be able to quickly query the content but you don't want to load the XML into a full-blown XML database, the time spent setting things up is simply too expensive. Why not combine a great open source editor, Emacs, and a great XML XQuery engine, Berkeley DB XML? That is exactly what Donnie Cameron did. Give it a try.

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• Validating an XML document fragment against XML schema

  - by shylent

  Terribly sorry if I've failed to find a duplicate of this question. I have a certain document with a well-defined document structure. I am expressing that structure through an XML schema. That data structure is operated upon by a RESTful service, so various nodes and combinations of nodes (not the whole document, but fragments of it) are exposed as "resources". Naturally, I am doing my own validation of the actual data, but it makes sense to validate the incoming/outgoing data against the schema as well (before the fine-grained validation of the data). What I don't quite grasp is how to validate document fragments given the schema definition. Let me illustrate: Imagine, the example document structure is: <doc-root> <el name="foo"/> <el name="bar"/> </doc-root> Rather a trivial data structure. The schema goes something like this: <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <xsd:element name="doc-root"> <xsd:complexType> <xsd:sequence> <xsd:element name="el" type="myCustomType" /> </xsd:sequence> </xsd:complexType> </xsd:element> <xsd:complexType name="myCustomType"> <xsd:attribute name="name" use="required" /> </xsd:complexType> </xsd:schema> Now, imagine, I've just received a PUT request to update an 'el' object. Naturally, I would receive not the full document or not any xml, starting with 'doc-root' at its root, but the 'el' element itself. I would very much like to validate it against the existing schema then, but just running it through a validating parser wouldn't work, since it will expect a 'doc-root' at the root. So, again, the question is, - how can one validate a document fragment against an existing schema, or, perhaps, how can a schema be written to allow such an approach. Hope it made sense.

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• How to build a distributable jar with Ant for a java project having external jar dependencies

  - by Nikunj Chauhan

  I have a Java project in Eclipse with class MainClass having main method in package : com.nik.mypackage. The project also references two external libraries, which I copied in the lib folder in Eclipse and then added to build path using ADD JAR function. The libraries being one.jar and two.jar This library is in lib folder in eclipse and added to the build path. I want to create a executable JAR of the application using ant script. So that user can access my application using command: c:>java -jar MyProject-20111126.jar I know about the Eclipse plugin which directly exports a java application as runnable JAR. But I want to learn ant and the build process so manually want to create the build.xm.

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• Running Jar file in Windows

  - by BlackPanther

  I have a "helloworld.jar" file. For running a JAR file I am using a command-line window and executing the following command: java -jar helloworld.jar By using this command I can execute the JAR file. But instead of doing it in a command-line window, I want to execute the JAR file if I double click on the JAR file. I did some Google search for this. But I cannot do this. For this do I need to install any software? Can any one provide me help on this?

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• Error: Unable to access jarfile Click-The-Block.jar

  - by AqueousSnake

  I have made a simple game that I want to convert into a runnable jar so I can show others and launch it without Eclipse. In Eclipse I: Right clicked on Project Export Java Exectuable Jar File Launch Configuration: CTB (1) - Click The Block It made a jar with a MANIFEST.MF containing: Manifest-Version: 1.0 Class-Path: . Main-Class: uk.co.robertmerriman.ctb.main.CTB This was all extracted to my desktop in Click-The-Block.jar When I double click, nothing happens. When I type "java -jar Click-The-Block.jar" into CMD, I get the following error: Error: Unable to access jarfile Click-The-Block.jar.

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• Create named criteria in EJB Data control

  - by shantala.sankeshwar

  This article gives the detailed steps on creating named criteria in EJB Data control.Note that this feature is available in Jdev version 11.1.2.0.0Use Case DescriptionSuppose we have defined an EJB Entity Object & we would like to filter the Entity object based on some criteria,then this filtering can be achieved by creating named criteria in EJB Data Control.Implementation stepsLet us suppose that we have created Java EE Web Application with Entities from Emp table Create session bean,generate data control for the same Edit empFindAll in DataControls.dcx fileCreate simple Named Criteria: deptno>=20Create on '+' icon to create Named Criteria:Refresh the Data Controls & create a new jspx page.Drop EmpCriteria as ADF Query Panel with TableRun the page,click on search button & we will see that Emp table shows filtered records

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• Including hibernate jar dependencies in ant build

  - by Patrick

  Hi, I'm trying to compile a runnable jar-file for a project that makes use of hibernate. I'm trying to construct an ant build.xml file to streamline my build process, but I'm having troubles with the inclusion of the hibernate3.jar inside the final jar-file. If I run the ant script I manage to include all my library jars, and they are put in the final jar-file's root. When I run the jar-file I get a java.lang.NoClassDefFoundError: org/hibernate/Session error. If I make use of the built-in export to jar in Eclipse, it works only if I choose "extract required libraries into jar". But that bloats the jar, and includes too much of my project (i.e. unit tests). Below is my generated manifest: Manifest-Version: 1.0 Main-Class: main.ServerImpl Class-Path: ./ antlr-2.7.6.jar commons-collections-3.1.jar dom4j-1.6.1.jar hibernate3.jar javassist-3.9.0.GA.jar jta-1.1.jar slf4j-api-1.5.11.jar slf4j-simple-1.5.11.jar mysql-connector-java-5.1.12-bin.jar rmiio-2.0.2.jar commons-logging-1.1.1.jar And the part of the build.xml looks like this: <target name="dist" depends="compile" description="Generates the Distribution Jar(s)"> <mkdir dir="${dist.dir}" /> <jar destfile="${dist.dir}/${dist.file.name}.jar" basedir="${build.prod.dir}" filesetmanifest="mergewithoutmain"> <manifest> <attribute name="Main-Class" value="${main.class}" /> <attribute name="Class-Path" value="./ ${manifest.classpath} " /> <attribute name="Implementation-Title" value="${app.name}" /> <attribute name="Implementation-Version" value="${app.version}" /> <attribute name="Implementation-Vendor" value="${app.vendor}" /> </manifest> <zipfileset refid="hibernatefiles" /> <zipfileset refid="slf4jfiles" /> <zipfileset refid="mysqlfiles" /> <zipfileset refid="commonsloggingfiles" /> <zipfileset refid="rmiiofiles" /> </jar> </target> The refids' for the zipfilesets point to the directories in a library directory lib in the root of the project. The manifest.classpath-variable takes the classpath of all those library jar-files, and flattens them with pathconvert and mapper. I've also tried to set the manifest classpath to ".", "./" and only the library jar, but to no difference at all. I'm hoping there's a simple remedy to my problems...

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• Classpath issue with java -jar

  - by portoalet

  Hi, I have an executable jar Client.jar that requires jndi.properties file. Since the jndi properties is not part of the Client.jar, and java -jar ignores the -classpath argument, How can I execute the jar and let it know where the jndi.properties is? Thanks

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• Java error starting with "log4j:WARN No appenders could be found for logger" in ZuckerReports SugarC

  - by Tom McDonnell

  Greetings all. I apologise for posting this problem here, but I do so in desperation after receiving no response on the SugarCRM forums. Even if a reader is unfamiliar with ZuckerReports or SugarCRM some general advice on Java may be of use to me. I have installed ZuckerReports v1.12 in SugarCRM 5.5.1. When I attempt to run a report I get the following error message. cmdline: javaw -classpath "custom/ZuckerReports/resources/;custom/ZuckerReports/resources/contact_counts_by_first_name.jasper_files/;modules/ZuckerReports/jasper/ant-1.7.1.jar;modules/ZuckerReports/jasper/antlr-2.7.6.jar;modules/ZuckerReports/jasper/asm-attrs.jar;modules/ZuckerReports/jasper/asm.jar;modules/ZuckerReports/jasper/barbecue-1.5-beta1.jar;modules/ZuckerReports/jasper/barcode4j-2.0.jar;modules/ZuckerReports/jasper/batik-anim.jar;modules/ZuckerReports/jasper/batik-awt-util.jar;modules/ZuckerReports/jasper/batik-bridge.jar;modules/ZuckerReports/jasper/batik-css.jar;modules/ZuckerReports/jasper/batik-dom.jar;modules/ZuckerReports/jasper/batik-ext.jar;modules/ZuckerReports/jasper/batik-gvt.jar;modules/ZuckerReports/jasper/batik-parser.jar;modules/ZuckerReports/jasper/batik-script.jar;modules/ZuckerReports/jasper/batik-svg-dom.jar;modules/ZuckerReports/jasper/batik-svggen.jar;modules/ZuckerReports/jasper/batik-util.jar;modules/ZuckerReports/jasper/batik-xml.jar;modules/ZuckerReports/jasper/bcel-5.2.jar;modules/ZuckerReports/jasper/bsh-2.0b4.jar;modules/ZuckerReports/jasper/castor-1.2.jar;modules/ZuckerReports/jasper/cglib-2.1.jar;modules/ZuckerReports/jasper/cincom-jr-xmla.jar;modules/ZuckerReports/jasper/commons-beanutils-1.8.2.jar;modules/ZuckerReports/jasper/commons-collections-3.2.1.jar;modules/ZuckerReports/jasper/commons-dbcp-1.2.2.jar;modules/ZuckerReports/jasper/commons-digester-1.7.jar;modules/ZuckerReports/jasper/commons-javaflow-20060411.jar;modules/ZuckerReports/jasper/commons-logging-1.1.jar;modules/ZuckerReports/jasper/commons-math-1.0.jar;modules/ZuckerReports/jasper/commons-pool-1.3.jar;modules/ZuckerReports/jasper/commons-vfs-1.0.jar;modules/ZuckerReports/jasper/dom4j-1.6.jar;modules/ZuckerReports/jasper/ehcache-1.1.jar;modules/ZuckerReports/jasper/eigenbase-properties-1.1.0.10924.jar;modules/ZuckerReports/jasper/eigenbase-resgen-1.3.0.11873.jar;modules/ZuckerReports/jasper/eigenbase-xom-1.3.0.11999.jar;modules/ZuckerReports/jasper/ejb3-persistence.jar;modules/ZuckerReports/jasper/groovy-all-1.5.5.jar;modules/ZuckerReports/jasper/hibernate-annotations.jar;modules/ZuckerReports/jasper/hibernate-commons-annotations.jar;modules/ZuckerReports/jasper/hibernate3.jar;modules/ZuckerReports/jasper/hsqldb-1.8.0-10.jar;modules/ZuckerReports/jasper/iText-2.1.0.jar;modules/ZuckerReports/jasper/iTextAsian.jar;modules/ZuckerReports/jasper/jakarta-bcel-20050813.jar;modules/ZuckerReports/jasper/jasperreports-3.7.1.jar;modules/ZuckerReports/jasper/jasperreports-chart-themes-3.6.2.jar;modules/ZuckerReports/jasper/jasperreports-extensions-3.5.3.jar;modules/ZuckerReports/jasper/jasperreports-fonts-3.6.1.jar;modules/ZuckerReports/jasper/javacup.jar;modules/ZuckerReports/jasper/javassist-3.4.GA.jar;modules/ZuckerReports/jasper/jaxen-1.1.1.jar;modules/ZuckerReports/jasper/jcommon-1.0.15.jar;modules/ZuckerReports/jasper/jdt-compiler-3.1.1.jar;modules/ZuckerReports/jasper/jfreechart-1.0.12.jar;modules/ZuckerReports/jasper/jpa.jar;modules/ZuckerReports/jasper/js_activation-1.1.jar;modules/ZuckerReports/jasper/js_axis-1.4patched.jar;modules/ZuckerReports/jasper/js_commons-codec-1.3.jar;modules/ZuckerReports/jasper/js_commons-discovery-0.2.jar;modules/ZuckerReports/jasper/js_commons-httpclient-3.1.jar;modules/ZuckerReports/jasper/js_jasperserver-common-ws-3.5.0.jar;modules/ZuckerReports/jasper/js_jaxrpc.jar;modules/ZuckerReports/jasper/js_mail-1.4.jar;modules/ZuckerReports/jasper/js_saaj-api-1.3.jar;modules/ZuckerReports/jasper/js_wsdl4j-1.5.1.jar;modules/ZuckerReports/jasper/jta.jar;modules/ZuckerReports/jasper/jxl-2.6.jar;modules/ZuckerReports/jasper/log4j-1.2.15.jar;modules/ZuckerReports/jasper/mondrian-3.1.1.12687-Jaspersoft.jar;modules/ZuckerReports/jasper/mysql-connector-java-3.1.11-bin.jar;modules/ZuckerReports/jasper/olap4j-0.9.7.145.jar;modules/ZuckerReports/jasper/png-encoder-1.5.jar;modules/ZuckerReports/jasper/poi-3.2-FINAL-20081019.jar;modules/ZuckerReports/jasper/rex-20080421.jar;modules/ZuckerReports/jasper/rhino-1.7R1.jar;modules/ZuckerReports/jasper/saaj-api-1.3.jar;modules/ZuckerReports/jasper/slf4j-api.jar;modules/ZuckerReports/jasper/slf4j-log4j12.jar;modules/ZuckerReports/jasper/spring.jar;modules/ZuckerReports/jasper/sqleonardo-2007.03.jar;modules/ZuckerReports/jasper/swingx-2007_10_07.jar;modules/ZuckerReports/jasper/xml-apis-ext.jar;modules/ZuckerReports/jasper/xml-apis.jar;modules/ZuckerReports/jasper/zuckerreports-1.0.jar" at.go_mobile.zuckerreports.JasperBatchMain custom/ZuckerReports/temp/aff882c1-684b-d2de-403e-4be367bc2f5f/cmd.properties 2&1 JasperBatchMain :: loading jasper design custom/ZuckerReports/resources/contact_counts_by_first_name.jasper JasperBatchMain :: getParameterValue(REPORT_PARAMETERS_MAP, java.util.Map) = null JasperBatchMain :: getParameterValue(JASPER_REPORT, net.sf.jasperreports.engine.JasperReport) = null JasperBatchMain :: getParameterValue(REPORT_CONNECTION, java.sql.Connection) = null JasperBatchMain :: getParameterValue(REPORT_MAX_COUNT, java.lang.Integer) = null JasperBatchMain :: getParameterValue(REPORT_DATA_SOURCE, net.sf.jasperreports.engine.JRDataSource) = null JasperBatchMain :: getParameterValue(REPORT_SCRIPTLET, net.sf.jasperreports.engine.JRAbstractScriptlet) = null JasperBatchMain :: getParameterValue(REPORT_LOCALE, java.util.Locale) = null JasperBatchMain :: getParameterValue(REPORT_RESOURCE_BUNDLE, java.util.ResourceBundle) = null JasperBatchMain :: getParameterValue(REPORT_TIME_ZONE, java.util.TimeZone) = null JasperBatchMain :: getParameterValue(REPORT_FORMAT_FACTORY, net.sf.jasperreports.engine.util.FormatFactory) = null JasperBatchMain :: getParameterValue(REPORT_CLASS_LOADER, java.lang.ClassLoader) = null JasperBatchMain :: getParameterValue(REPORT_URL_HANDLER_FACTORY, java.net.URLStreamHandlerFactory) = null JasperBatchMain :: getParameterValue(REPORT_FILE_RESOLVER, net.sf.jasperreports.engine.util.FileResolver) = null JasperBatchMain :: getParameterValue(REPORT_VIRTUALIZER, net.sf.jasperreports.engine.JRVirtualizer) = null JasperBatchMain :: getParameterValue(IS_IGNORE_PAGINATION, java.lang.Boolean) = null JasperBatchMain :: getParameterValue(REPORT_TEMPLATES, java.util.Collection) = null log4j:WARN No appenders could be found for logger (net.sf.jasperreports.extensions.ExtensionsEnviron ment). log4j:WARN Please initialize the log4j system properly. Exception in thread "main" java.lang.IllegalArgumentException: Null 'key' argument. at org.jfree.data.DefaultKeyedValues.setValue(Default KeyedValues.java:229) at org.jfree.data.DefaultKeyedValues2D.setValue(Defau ltKeyedValues2D.java:337) at org.jfree.data.DefaultKeyedValues2D.addValue(Defau ltKeyedValues2D.java:303) at org.jfree.data.category.DefaultCategoryDataset.add Value(DefaultCategoryDataset.java:222) at net.sf.jasperreports.charts.fill.JRFillCategoryDat aset.customIncrement(JRFillCategoryDataset.java:14 3) at net.sf.jasperreports.engine.fill.JRFillElementData set.increment(JRFillElementDataset.java:175) at net.sf.jasperreports.engine.fill.JRCalculator.calc ulateVariables(JRCalculator.java:148) at net.sf.jasperreports.engine.fill.JRVerticalFiller. fillDetail(JRVerticalFiller.java:736) at net.sf.jasperreports.engine.fill.JRVerticalFiller. fillReportContent(JRVerticalFiller.java:272) at net.sf.jasperreports.engine.fill.JRVerticalFiller. fillReport(JRVerticalFiller.java:114) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill (JRBaseFiller.java:923) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill (JRBaseFiller.java:826) at net.sf.jasperreports.engine.fill.JRFiller.fillRepo rt(JRFiller.java:59) at at.go_mobile.zuckerreports.JasperBatchMain.main(Ja sperBatchMain.java:126) The same report runs correctly in another SugarCRM installation on the same server. The installation in which the report runs correctly is of the same version, and has the same version of the ZuckerReports module. The report previously ran correctly on both installations. I think that the only changes that have been made on the installation in which the report now does not work since the report was last successfully run are the additions of a few custom fields in the Contacts module. These changes should have nothing to do with ZuckerReports. I have tried uninstalling and reinstalling the ZuckerReports module, but the problem remains. A google search for the warnings given in the error message ie. * log4j:WARN No appenders could be found for logger (net.sf.jasperreports.extensions.ExtensionsEnviron ment). * log4j:WARN Please initialize the log4j system properly. Returns a few links (not specific to ZuckerReports) with tips similar to the following: * log4j.properties or log4j.xml needs to be on the classpath where log4j can find it. I cannot find a file with either of those names anywhere on my server, and yet the report can be run successfully on one of my SugarCRM installations. So I figure log4j must be being configured another way. Can anyone suggest a way to solve this problem? Or explain how I might discover how log4j is configured in ZuckerReports? Or explain how I might compare the working with the non-working installation in order to help find a solution? (I have tried searching for files containing "log4j" in both installations and comparing but all I can find are .jar files (nothing I can read with a text editor), and the .jar files found in each installation appear to be the same.)

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• Hadoop hdfs namenode is throwing an error

  - by KarmicDice

  Full list of error: hb@localhost:/etc/hadoop/conf$ sudo service hadoop-hdfs-namenode start * Starting Hadoop namenode: starting namenode, logging to /var/log/hadoop-hdfs/hadoop-hdfs-namenode-localhost.out 12/09/10 14:41:09 INFO namenode.NameNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting NameNode STARTUP_MSG: host = localhost/127.0.0.1 STARTUP_MSG: args = [] STARTUP_MSG: version = 2.0.0-cdh4.0.1 STARTUP_MSG: classpath = /etc/hadoop/conf:/usr/lib/hadoop/lib/xmlenc-0.52.jar:/usr/lib/hadoop/lib/protobuf-java-2.4.0a.jar:/usr/lib/hadoop/lib/kfs-0.3.jar:/usr/lib/hadoop/lib/asm-3.2.jar:/usr/lib/hadoop/lib/commons-logging-api-1.1.jar:/usr/lib/hadoop/lib/jasper-compiler-5.5.23.jar:/usr/lib/hadoop/lib/stax-api-1.0.1.jar:/usr/lib/hadoop/lib/commons-configuration-1.6.jar:/usr/lib/hadoop/lib/jets3t-0.6.1.jar:/usr/lib/hadoop/lib/jersey-server-1.8.jar:/usr/lib/hadoop/lib/oro-2.0.8.jar:/usr/lib/hadoop/lib/aspectjrt-1.6.5.jar:/usr/lib/hadoop/lib/json-simple-1.1.jar:/usr/lib/hadoop/lib/snappy-java-1.0.3.2.jar:/usr/lib/hadoop/lib/commons-httpclient-3.1.jar:/usr/lib/hadoop/lib/log4j-1.2.15.jar:/usr/lib/hadoop/lib/servlet-api-2.5.jar:/usr/lib/hadoop/lib/jackson-xc-1.8.8.jar:/usr/lib/hadoop/lib/jersey-json-1.8.jar:/usr/lib/hadoop/lib/jackson-mapper-asl-1.8.8.jar:/usr/lib/hadoop/lib/commons-el-1.0.jar:/usr/lib/hadoop/lib/slf4j-api-1.6.1.jar:/usr/lib/hadoop/lib/commons-collections-3.2.1.jar:/usr/lib/hadoop/lib/commons-logging-1.1.1.jar:/usr/lib/hadoop/lib/jackson-core-asl-1.8.8.jar:/usr/lib/hadoop/lib/jersey-core-1.8.jar:/usr/lib/hadoop/lib/commons-codec-1.4.jar:/usr/lib/hadoop/lib/jsr305-1.3.9.jar:/usr/lib/hadoop/lib/commons-cli-1.2.jar:/usr/lib/hadoop/lib/activation-1.1.jar:/usr/lib/hadoop/lib/jaxb-impl-2.2.3-1.jar:/usr/lib/hadoop/lib/jetty-util-6.1.26.cloudera.1.jar:/usr/lib/hadoop/lib/jasper-runtime-5.5.23.jar:/usr/lib/hadoop/lib/commons-beanutils-1.7.0.jar:/usr/lib/hadoop/lib/commons-lang-2.5.jar:/usr/lib/hadoop/lib/commons-digester-1.8.jar:/usr/lib/hadoop/lib/commons-io-2.1.jar:/usr/lib/hadoop/lib/jsp-api-2.1.jar:/usr/lib/hadoop/lib/guava-11.0.2.jar:/usr/lib/hadoop/lib/jetty-6.1.26.cloudera.1.jar:/usr/lib/hadoop/lib/jsch-0.1.42.jar:/usr/lib/hadoop/lib/zookeeper-3.4.3-cdh4.0.1.jar:/usr/lib/hadoop/lib/avro-1.5.4.jar:/usr/lib/hadoop/lib/core-3.1.1.jar:/usr/lib/hadoop/lib/paranamer-2.3.jar:/usr/lib/hadoop/lib/jettison-1.1.jar:/usr/lib/hadoop/lib/jackson-jaxrs-1.8.8.jar:/usr/lib/hadoop/lib/slf4j-log4j12-1.6.1.jar:/usr/lib/hadoop/lib/commons-beanutils-core-1.8.0.jar:/usr/lib/hadoop/lib/commons-net-3.1.jar:/usr/lib/hadoop/lib/jaxb-api-2.2.2.jar:/usr/lib/hadoop/lib/commons-math-2.1.jar:/usr/lib/hadoop/lib/jline-0.9.94.jar:/usr/lib/hadoop/.//hadoop-annotations.jar:/usr/lib/hadoop/.//hadoop-annotations-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop/.//hadoop-common-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop/.//hadoop-auth-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop/.//hadoop-common.jar:/usr/lib/hadoop/.//hadoop-auth.jar:/usr/lib/hadoop/.//hadoop-common-2.0.0-cdh4.0.1-tests.jar:/usr/lib/hadoop-hdfs/./:/usr/lib/hadoop-hdfs/lib/protobuf-java-2.4.0a.jar:/usr/lib/hadoop-hdfs/lib/snappy-java-1.0.3.2.jar:/usr/lib/hadoop-hdfs/lib/log4j-1.2.15.jar:/usr/lib/hadoop-hdfs/lib/jackson-mapper-asl-1.8.8.jar:/usr/lib/hadoop-hdfs/lib/slf4j-api-1.6.1.jar:/usr/lib/hadoop-hdfs/lib/commons-logging-1.1.1.jar:/usr/lib/hadoop-hdfs/lib/jackson-core-asl-1.8.8.jar:/usr/lib/hadoop-hdfs/lib/commons-daemon-1.0.3.jar:/usr/lib/hadoop-hdfs/lib/zookeeper-3.4.3-cdh4.0.1.jar:/usr/lib/hadoop-hdfs/lib/avro-1.5.4.jar:/usr/lib/hadoop-hdfs/lib/paranamer-2.3.jar:/usr/lib/hadoop-hdfs/lib/jline-0.9.94.jar:/usr/lib/hadoop-hdfs/.//hadoop-hdfs-2.0.0-cdh4.0.1-tests.jar:/usr/lib/hadoop-hdfs/.//hadoop-hdfs-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop-hdfs/.//hadoop-hdfs.jar:/usr/lib/hadoop-yarn/lib/protobuf-java-2.4.0a.jar:/usr/lib/hadoop-yarn/lib/asm-3.2.jar:/usr/lib/hadoop-yarn/lib/netty-3.2.3.Final.jar:/usr/lib/hadoop-yarn/lib/javax.inject-1.jar:/usr/lib/hadoop-yarn/lib/jersey-server-1.8.jar:/usr/lib/hadoop-yarn/lib/jersey-guice-1.8.jar:/usr/lib/hadoop-yarn/lib/snappy-java-1.0.3.2.jar:/usr/lib/hadoop-yarn/lib/log4j-1.2.15.jar:/usr/lib/hadoop-yarn/lib/guice-3.0.jar:/usr/lib/hadoop-yarn/lib/jackson-mapper-asl-1.8.8.jar:/usr/lib/hadoop-yarn/lib/junit-4.8.2.jar:/usr/lib/hadoop-yarn/lib/jackson-core-asl-1.8.8.jar:/usr/lib/hadoop-yarn/lib/jersey-core-1.8.jar:/usr/lib/hadoop-yarn/lib/jdiff-1.0.9.jar:/usr/lib/hadoop-yarn/lib/guice-servlet-3.0.jar:/usr/lib/hadoop-yarn/lib/aopalliance-1.0.jar:/usr/lib/hadoop-yarn/lib/commons-io-2.1.jar:/usr/lib/hadoop-yarn/lib/avro-1.5.4.jar:/usr/lib/hadoop-yarn/lib/paranamer-2.3.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-web-proxy.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-nodemanager.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-resourcemanager-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-common.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-common.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-applications-distributedshell-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-web-proxy-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-api.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-resourcemanager.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-common-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-server-nodemanager-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-site.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-api-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-common-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-applications-distributedshell.jar:/usr/lib/hadoop-yarn/.//hadoop-yarn-site-2.0.0-cdh4.0.1.jar:/usr/lib/hadoop-mapreduce/.//* STARTUP_MSG: build = file:///var/lib/jenkins/workspace/generic-package-ubuntu64-12-04/CDH4.0.1-Packaging-Hadoop-2012-06-28_17-01-57/hadoop-2.0.0+91-1.cdh4.0.1.p0.1~precise/src/hadoop-common-project/hadoop-common -r 4d98eb718ec0cce78a00f292928c5ab6e1b84695; compiled by 'jenkins' on Thu Jun 28 17:39:19 PDT 2012 ************************************************************/ 12/09/10 14:41:10 WARN impl.MetricsConfig: Cannot locate configuration: tried hadoop-metrics2-namenode.properties,hadoop-metrics2.properties hdfs-site.xml: hb@localhost:/etc/hadoop/conf$ cat hdfs-site.xml <?xml version="1.0" encoding="UTF-8"?> <!--Autogenerated by Cloudera CM on 2012-09-03T10:13:30.628Z--> <configuration> <property> <name>dfs.https.address</name> <value>localhost:50470</value> </property> <property> <name>dfs.https.port</name> <value>50470</value> </property> <property> <name>dfs.namenode.http-address</name> <value>localhost:50070</value> </property> <property> <name>dfs.replication</name> <value>1</value> </property> <property> <name>dfs.blocksize</name> <value>134217728</value> </property> <property> <name>dfs.client.use.datanode.hostname</name> <value>false</value> </property> </configuration>

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• Spring 3.0: Unable to locate Spring NamespaceHandler for XML schema namespace

  - by Nick Hristov

  My setup is fairly simple: I have a web front-end, back-end is spring-wired. I am using AOP to add a layer of security on my rpc services. It's all good, except for the fact that the web app aborts on launch: [java] SEVERE: Context initialization failed [java] org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springframework.org/schema/aop] [java] Offending resource: ServletContext resource [/WEB-INF/gwthandler-servlet.xml] Here is the snippet from my xml config file: <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <aop:config> <aop:aspect id="security" ref="securityAspect" > <aop:pointcut id="securedServices" expression="@annotation(com.fb.boog.common.aspects.Secured)"/> <aop:before method="checkSecurity" pointcut-ref="securedServices"/> </aop:aspect> </aop:config> I read over the internets that it may be my classloading the core of the problem. Doubtful, since here is my WEB-INF/lib directory: ./WEB-INF/lib ./WEB-INF/lib/aopalliance-alpha1.jar ./WEB-INF/lib/aspectj-1.6.6.jar ./WEB-INF/lib/commons-collections.jar ./WEB-INF/lib/commons-logging.jar ./WEB-INF/lib/ehcache-core-1.7.0.jar ./WEB-INF/lib/ejb3-persistence.jar ./WEB-INF/lib/hibernate ./WEB-INF/lib/hibernate/antlr.jar ./WEB-INF/lib/hibernate/asm.jar ./WEB-INF/lib/hibernate/bsh-2.0b1.jar ./WEB-INF/lib/hibernate/cglib.jar ./WEB-INF/lib/hibernate/dom4j.jar ./WEB-INF/lib/hibernate/freemarker.jar ./WEB-INF/lib/hibernate/hibernate-annotations.jar ./WEB-INF/lib/hibernate/hibernate-shards.jar ./WEB-INF/lib/hibernate/hibernate-tools.jar ./WEB-INF/lib/hibernate/hibernate.jar ./WEB-INF/lib/hibernate/jtidy-r8-20060801.jar ./WEB-INF/lib/jabsorb ./WEB-INF/lib/jabsorb/jabsorb-1.3.1.jar ./WEB-INF/lib/jta.jar ./WEB-INF/lib/jyaml-1.3.jar ./WEB-INF/lib/postgresql-8.4-701.jdbc4.jar ./WEB-INF/lib/sjsxp.jar ./WEB-INF/lib/spring ./WEB-INF/lib/spring/org.springframework.aop-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.asm-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.aspects-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.beans-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.context-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.context.support-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.core-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.expression-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.instrument-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.instrument.tomcat-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.jdbc-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.jms-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.orm-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.oxm-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.test-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.transaction-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.web-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.web.portlet-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.web.servlet-3.0.0.RELEASE.jar ./WEB-INF/lib/spring/org.springframework.web.struts-3.0.0.RELEASE.jar ./WEB-INF/lib/testng-5.11-jdk15.jar ./WEB-INF/web.xml

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