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  • How to use Zend Studion for Java development

    - by Itay Moav
    I have the Zend studio which a PHP editor based on Eclipse. I want to use it now to develop some Java. I think Zend has disabled all the Java centric project/views/perspectives that come with Eclipse (or may be not included the right plugins?) What steps should I take to use it, instead of having two eclipses open at the same time.

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  • java compiler error: Can't open input server /Library/InputManagers/Inquisitor

    - by unknown (yahoo)
    Hi I am trying to compile helloWorld in java under snow leopard and I get this compiler error: java[51692:903] Can't open input server /Library/InputManagers/Inquisitor It happens when I am using terminal command javac and when I am trying do this in NetBeans. I was trying to open folder "Inquisitor" but I have no access to folder , even if I login as root user. Any clue what is going on? thanks.

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  • Uninstall Java on Mac OS X?

    - by Jesse
    I'm working on a trouble shooting document for some desktop software that runs in Java. One of the last resort steps is to completely uninstall and reinstall the Java runtime. In Windows XP this can be done via Add/Remove Programs. Is there something equivalent on OSX? Or does reinstalling the runtime overwrite the current version?

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  • How can i install sun java to Fedora 8

    - by Tushar Ahirrao
    Hi I want to install java on my fedora 8 server but come to the step 9 that is mention in http://fedorasolved.org/browser-solutions/java-i386 but at the step 10 when i enter the command ln -s /opt/jre1.6.0_18/plugin/i386/ns7/libjavaplugin_oji.so /usr/lib/mozilla/plugins/libjavaplugin_oji.so it gives following error ln -s /opt/jre1.6.0_18/plugin/i386/ns7/libjavaplugin_oji.so /usr/lib/mozilla/plugins/libjavaplugin_oji.so ln: creating symbolic link `/usr/lib/mozilla/plugins/libjavaplugin_oji.so': No such file or directory can you help me please?

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  • Free java hosting?

    - by user24729
    Could anyone tell me some free hosting on which I can run my java web application even for a day? I don't want free forever. Free for 2-3 days will be fine I searched a lot on net but couldn't find anything. I just have some .html pages and some servlets in my java web application.

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  • YUI Compressor java

    - by Alexander
    Hi I want to use Yahoo's compressor for compressing js and css files. Which can be found here: http://developer.yahoo.com/yui/compressor/ My only problem is that i have never used Java before. I have no idea how to execute or use this command line. I only have experience with js, jquery and php. It simply says: Usage: java -jar yuicompressor-x.y.z.jar [options] [input file] How should I proceed?

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  • Problem with java on Windows

    - by Jack
    I had installed jdk-6u18-windows-i586 on my machine. Later on I uninstalled it and installed jdk 1.5.0_13 instead. Now when I do javac -version I get jdk 1.5.0_13 But when I do java -version I get java version "1.6.0_19" How do I fix this?

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  • Java application delivery through CDN

    - by tuler
    We have a java application bundled as an applet or as webstart. The client java plugin caches the jar files on the client machine and downloads a new version if there is one. Is it possible to deliver this jar files using a CDN? What are the issues involved? Which CDNs would work for jar delivery? Is this different from static content delivery like images or video?

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  • What could cause this Java UnsatisfiedLinkError?

    - by ahlatimer
    The first part of the stack-trace is as follows: "UnsatisfiedLinkError (/usr/lib/jvm/java-1.5.0-sun-1.5.0.19/jre/lib/i386/libawt.so: libmlib_image.so: cannot open shared object file: No such file or directory):" Both libawt.so and libmlib_image.so exist and are in the same directory. Does libawt.so look in a different directory? Is there an environment option I'm missing? This is part of a Rails application using Rjb (ruby-java bridge). Any help is much appreciated.

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  • Firefox Blocklisting Java

    - by kreeves
    Recently, Mozilla decided to blocklist older versions of the Java plug-in. Unfortunately, this doesn't work well with some internal applications we are using. Does any know if there is a workaround? Perhaps a way to unblock the plug-in for certain domains? I've scoured Google. We're using the most up to date Firefox. Relevant blog post: http://blog.mozilla.com/addons/2012/04/02/blocking-java/

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  • Data structure to build and lookup set of integer ranges

    - by actual
    I have a set of uint32 integers, there may be millions of items in the set. 50-70% of them are consecutive, but in input stream they appear in unpredictable order. I need to: Compress this set into ranges to achieve space efficient representation. Already implemented this using trivial algorithm, since ranges computed only once speed is not important here. After this transformation number of resulting ranges is typically within 5 000-10 000, many of them are single-item, of course. Test membership of some integer, information about specific range in the set is not required. This one must be very fast -- O(1). Was thinking about minimal perfect hash functions, but they do not play well with ranges. Bitsets are very space inefficient. Other structures, like binary trees, has complexity of O(log n), worst thing with them that implementation make many conditional jumps and processor can not predict them well giving poor performance. Is there any data structure or algorithm specialized in integer ranges to solve this task?

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  • Pair equal operator overloading for inserting into set

    - by Petwoip
    I am trying to add a pair<int,int> to a set. If a pair shares the same two values as another in the set, it should not be inserted. Here's my non-working code: typedef std::pair<int, int> PairInt; template<> bool std::operator==(const PairInt& l, const PairInt& r) { return (l.first == r.first && l.second == r.second) || (l.first == r.second && l.second == r.first); } int main() { std::set<PairInt> intSet; intSet.insert(PairInt(1,3)); intSet.insert(PairInt(1,4)); intSet.insert(PairInt(1,4)); intSet.insert(PairInt(4,1)); } At the moment, the (4,1) pair gets added even though there is already a (1,4) pair. The final contents of the set are: (1 3) (1 4) (4 1) and I want it to be (1 3) (1 4) I've tried putting breakpoints in the overloaded method, but they never get reached. What have I done wrong?

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  • Now Live: New Java Enterprise Edition 6 Certification Exams

    - by Paul Sorensen
    The new Java Enterprise Edition 6 (EE6) exams are being released into production, effective today (February 21, 2011). If you participated in the beta exams, we appreciate your patience in awaiting your beta scores (there were some initial technical difficulties with these exams that delayed beta review and scoring). While most of the production exams are currently available and most of the beta scores have been mailed, they are not 100% completed. We expect all production exams to be available and all scores to be mailed tentatively by March 31, 2010. We appreciate your patience in receiving your beta scores as we work through some issues that have delayed the release of beta scores for two of these exams. Beta candidates can expect to receive their printed score reports in the mail from Prometric. Please allow 5 business days from the 'date mailed' below to receive your score report. If you have not received it within 5 business days, please contact Prometric. EXAM  PRODUCTIONDATE BETA SCOREMAILED Loading...CX-311-093 Java Platform, Enterprise Edition 6 Enterprise JavaBeans Developer Certified Expert ExamJanuary 12, 2011February 4, 2011CX-311-094 Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Expert ExamFebruary 1, 2011February 11, 2011CX-311-232 Java Platform, Enterprise Edition 6 Web Services Developer Certified Expert ExamFebruary 8, 2011by March 31, 2011tentative*CX-311-085 Java Platform, Enterprise Edition 6 JavaServer Pages and Servlet Developer Certified Expert Examby March 31, 2011tentative*by March 31, 2011tentative* *Dates are subject to change without notice.Register now at prometric.com/oracle.QUICK LINKSHelp with beta exam score reportOracle Certified Professional, Java Platform, Enterprise Edition 6 JavaServer Pages and Servlet DeveloperOracle Certified Professional, Java Platform, Enterprise Edition 6 Enterprise JavaBeans DeveloperOracle Certified Professional, Java Platform, Enterprise Edition 6 Java Persistence API DeveloperOracle Certified Professional, Java Platform, Enterprise Edition 6 Web Services Developer

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  • New Regular Expression Features in Java 8

    - by Jan Goyvaerts
    Java 8 brings a few changes to Java’s regular expression syntax to make it more consistent with Perl 5.14 and later in matching horizontal and vertical whitespace. \h is a new feature. It is a shorthand character class that matches any horizontal whitespace character as defined in the Unicode standard. In Java 4 to 7 \v is a character escape that matches only the vertical tab character. In Java 8 \v is a shorthand character class that matches any vertical whitespace, including the vertical tab. When upgrading to Java 8, make sure that any regexes that use \v still do what you want. Use \x0B or \cK to match just the vertical tab in any version of Java. \R is also a new feature. It matches any line break as defined by the Unicode standard. Windows-style CRLF pairs are always matched as a whole. So \R matches \r\n while \R\R fails to match \r\n. \R is equivalent to (?\r\n|[\n\cK\f\r\u0085\u2028\u2029]) with an atomic group that prevents it from matching only the CR in a CRLF pair. Oracle’s documentation for the Pattern class omits the atomic group when explaining \R, which is incorrect. You cannot use \R inside a character class. RegexBuddy and RegexMagic have been updated to support Java 8. Java 4, 5, 6, and 7 are still supported. When you upgrade to Java 8 you can compare or convert your regular expressions between Java 8 and the Java version you were using previously.

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  • Tab Sweep - Upgrade to Java EE 6, Groovy NetBeans, JSR310, JCache interview, OEPE, and more

    - by alexismp
    Recent Tips and News on Java, Java EE 6, GlassFish & more : • Implementing JSR 310 (New Date/Time API) in Java 8 Is Very Strongly Favored by Developers (java.net) • Upgrading To The Java EE 6 Web Profile (Roger) • NetBeans for Groovy (blogs.oracle.com) • Client Side MOXy JSON Binding Explained (Blaise) • Control CDI Containers in SE and EE (Strub) • Java EE on Google App Engine: CDI to the Rescue - Aleš Justin (jaxenter) • The Java EE 6 Example - Testing Galleria - Part 4 (Markus) • Why is OpenWebBeans so fast? (Strub) • Welcome to the new Oracle Enterprise Pack for Eclipse Blog (blogs.oracle.com) • Java Spotlight Episode 75: Greg Luck on JSR 107 Java Temporary Caching API (Spotlight Podcast) • Glassfish cluster installation and administration on top of SSH + public key (Paulo) • Jfokus 2012 on Parleys.com (Parleys) • Java Tuning in a Nutshell - Part 1 (Rupesh) • New Features in Fork/Join from Java Concurrency Master, Doug Lea (DZone) • A Java7 Grammar for VisualLangLab (Sanjay) • Glassfish version 3.1.2: Secure Admin must be enabled to access the DAS remotely (Charlee) • Oracle Announces the Certification of the Oracle Database on Oracle Linux 6 and Red Hat Enterprise Linux 6

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  • Java EE 7 JSR update

    - by Heather VanCura
    Java EE 7 JSR update...in case you missed the last few entries with JSR updates, there are 8 Java EE 7 JSRs currently in JCP milestone review stages.  Your input is requested and needed! JSR 342: Early Draft Review 2– Java Platform, Enterprise Edition 7 (Java EE 7) Specification (review ends 30 November); Oracle JSR 107: Early Draft Review - JCACHE - Java Temporary Caching API (review ends 22 November); Greg Luck, Oracle JSR 236: Early Draft Review – Concurrency Utilities for Java EE (review ends 15 December); Oracle JSR 338: Early Draft Review 2 – Java Persistence 2 (review ends 30 November); Oracle JSR 346: Public Review – Contexts and Dependency Injection for Java EE 1.1 (EC ballot 4-17 December); RedHat JSR 352: Public Review – Batch Applications for the Java Platform (EC ballot 4-17 December); IBM JSR 349: Public Review – Bean Validation 1.1 (EC ballot 20- 26 November); RedHat JSR 339: Public Review – JAX-RS 2.0: The Java API for RESTful Web Services (Review period ended, EC ballot ends 26 November); Oracle  Also, check out the Java EE wiki with a specification and schedule update, including most recently, the addition of JSR 236.

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  • Java EE @ Devoxx UK

    - by delabassee
    Devoxx UK is taking place next week (12th and 13th June) in London. As with any Devoxx conference, this UK edition will have a nice mix of content, an impressive list of speakers and obviously Java EE will be well will covered too:  Apache TomEE, Java EE Web Profile and more on Tomcat (David Blevins) Myths, Tales and Voodoo - About Java EE and Testing (Adam Bien) 50 new features of Java EE 7 (Antonio Goncalves & Arun Gupta) Java EE 7 Hands-on Lab (Arun Gupta) In addition, there will be 2 BoF related to Java EE on Thursday evening, the first BoF will be about the Java EE platform and the second one will be about the Java EE Reference Implementation, i.e. GlassFish. I will participate in the Java EE Community BoF where will discuss Java EE general but with all recent activities, I suspect that a large portion of the BoF will spent on discussing the current plans for Java EE 8.  Right after and in the same room, I will join Steve Millidge of C2B2 for the GlassFish is here to stay! BoF. The goal is to discuss on GlassFish, the current status, the plans for the next release, how the community can contributes, etc. It should be mentioned that attending those BoFs is completely free, just make sure to register here.  So if you are in London next week, mind the Geek and see you at Devoxx UK!

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  • Java Virtual Developer Day Session Videos Available

    - by Tori Wieldt
    How are Lambdas handled on a bytecode level? How does replacing assembly code with Java code improve performance? Can we send flat files/comma separated/XML files to process in Batch? In a Java EE app, can I inject an EJB bean inside a REST POJO using @EJB annotation? Where I can find JavaFX UI controls? At OTN's Virtual Developer Day, Java experts answered these questions and more. Session are now available for you to view on demand (registration required). This is limited time offer: the sessions will be up to view for free for the next two weeks.  You can view sessions from these tracks: Java SE 8 Track Learn about the features scheduled for Java SE 8, including Lambda expressions, extension methods for interfaces and a new Date and Time API. Learn how to create basic apps with JavaFX.  Java EE Track Take a close look at the new functionality in Java EE 7. Get presentations and demos on JSON, WebSockets, Batch, Concurrency, JAX-RS 2, JMS 2,  Java Embedded Track Provides an introductions to the Raspberry Pi, the Keil board, ARM architecture, and how to make it all work with Java Embedded. You know Java, now really know Java. Check out the OTN Virtual Developer Day sessions!

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  • apache tomcat sermyadmin deployment error

    - by lepricon123
    I am getting the following errro when i try to start the application Mar 23, 2010 7:51:09 PM org.apache.catalina.core.ApplicationContext log INFO: Set web app root system property: 'sermyadmin-production-2.0.1' = [/usr/local/tomcat6/webapps/sermyadmin/] Mar 23, 2010 7:51:09 PM org.apache.catalina.core.ApplicationContext log INFO: Initializing log4j from [/usr/local/tomcat6/webapps/sermyadmin/WEB-INF/classes/log4j.properties] Mar 23, 2010 7:51:09 PM org.apache.catalina.core.ApplicationContext log INFO: Initializing Spring root WebApplicationContext Mar 23, 2010 7:51:23 PM org.apache.catalina.core.StandardContext listenerStart SEVERE: Exception sending context initialized event to listener instance of class org.codehaus.groovy.grails.web.context.GrailsContextLoaderListener org.springframework.beans.factory.access.BootstrapException: Error executing bootstraps; nested exception is org.codehaus.groovy.runtime.InvokerInvocationException: org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; nested exception is org.hibernate.exception.SQLGrammarException: could not execute query at org.codehaus.groovy.grails.web.context.GrailsContextLoader.createWebApplicationContext(GrailsContextLoader.java:66) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4350) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:829) at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:718) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:490) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1147) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) at org.apache.catalina.core.StandardHost.start(StandardHost.java:719) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:516) at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:578) 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 org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413) Caused by: org.codehaus.groovy.runtime.InvokerInvocationException: org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; nested exception is org.hibernate.exception.SQLGrammarException: could not execute query at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4350) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:829) at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:718) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:490) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1147) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) at org.apache.catalina.core.StandardHost.start(StandardHost.java:719) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:516) at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:578) ... 2 more Caused by: org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; nested exception is org.hibernate.exception.SQLGrammarException: could not execute query at BootStrap$_closure1.doCall(BootStrap.groovy:7) ... 20 more Caused by: org.hibernate.exception.SQLGrammarException: could not execute query ... 21 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'opensips.jsec_role' doesn't exist at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)

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  • How to sanely configure security policy in Tomcat 6

    - by Chas Emerick
    I'm using Tomcat 6.0.24, as packaged for Ubuntu Karmic. The default security policy of Ubuntu's Tomcat package is pretty stringent, but appears straightforward. In /var/lib/tomcat6/conf/policy.d, there are a variety of files that establish default policy. Worth noting at the start: I've not changed the stock tomcat install at all -- no new jars into its common lib directory(ies), no server.xml changes, etc. Putting the .war file in the webapps directory is the only deployment action. the web application I'm deploying fails with thousands of access denials under this default policy (as reported to the log thanks to the -Djava.security.debug="access,stack,failure" system property). turning off the security manager entirely results in no errors whatsoever, and proper app functionality What I'd like to do is add an application-specific security policy file to the policy.d directory, which seems to be the recommended practice. I added this to policy.d/100myapp.policy (as a starting point -- I would like to eventually trim back the granted permissions to only what the app actually needs): grant codeBase "file:${catalina.base}/webapps/ROOT.war" { permission java.security.AllPermission; }; grant codeBase "file:${catalina.base}/webapps/ROOT/-" { permission java.security.AllPermission; }; grant codeBase "file:${catalina.base}/webapps/ROOT/WEB-INF/-" { permission java.security.AllPermission; }; grant codeBase "file:${catalina.base}/webapps/ROOT/WEB-INF/lib/-" { permission java.security.AllPermission; }; grant codeBase "file:${catalina.base}/webapps/ROOT/WEB-INF/classes/-" { permission java.security.AllPermission; }; Note the thrashing around attempting to find the right codeBase declaration. I think that's likely my fundamental problem. Anyway, the above (really only the first two grants appear to have any effect) almost works: the thousands of access denials are gone, and I'm left with just one. Relevant stack trace: java.security.AccessControlException: access denied (java.io.FilePermission /var/lib/tomcat6/webapps/ROOT/WEB-INF/classes/com/foo/some-file-here.txt read) java.security.AccessControlContext.checkPermission(AccessControlContext.java:323) java.security.AccessController.checkPermission(AccessController.java:546) java.lang.SecurityManager.checkPermission(SecurityManager.java:532) java.lang.SecurityManager.checkRead(SecurityManager.java:871) java.io.File.exists(File.java:731) org.apache.naming.resources.FileDirContext.file(FileDirContext.java:785) org.apache.naming.resources.FileDirContext.lookup(FileDirContext.java:206) org.apache.naming.resources.ProxyDirContext.lookup(ProxyDirContext.java:299) org.apache.catalina.loader.WebappClassLoader.findResourceInternal(WebappClassLoader.java:1937) org.apache.catalina.loader.WebappClassLoader.findResource(WebappClassLoader.java:973) org.apache.catalina.loader.WebappClassLoader.getResource(WebappClassLoader.java:1108) java.lang.ClassLoader.getResource(ClassLoader.java:973) I'm pretty convinced that the actual file that's triggering the denial is irrelevant -- it's just some properties file that we check for optional configuration parameters. What's interesting is that: it doesn't exist in this context the fact that the file doesn't exist ends up throwing a security exception, rather than java.io.File.exists() simply returning false (although I suppose that's just a matter of the semantics of the read permission). Another workaround (besides just disabling the security manager in tomcat) is to add an open-ended permission to my policy file: grant { permission java.security.AllPermission; }; I presume this is functionally equivalent to turning off the security manager. I suppose I must be getting the codeBase declaration in my grants subtly wrong, but I'm not seeing it at the moment.

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  • Coding solution to WAR installation error (Websphere Portal 6.0) ?

    - by Scott Leis
    I have a Websphere Portal application containing several portlets for which I'm currently working on some changes. A week ago, the WAR file produced by Rational Application Developer could be installed on the Portal server with no problems. Yesterday I made some seemingly minor changes to two JSP files and their associated "pagecode" Java files, and attempting to update the WAR on the server (using the Portal Administration web interface) now produces an error message. The WAR upload works, and the system shows me the correct list of portlets in the WAR file, but clicking "Finish" gives me a page with the error message "EJPAQ1319E: Cannot install the selected WAR file. View Details". Clicking the "View Details" link gives me a page with the following text: EJPAQ1319E: Cannot install the selected WAR file. com.ibm.portal.WpsException: EJPAQ1319E: Cannot install the selected WAR file. at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.installPortletFromFormFile(DoInstallWebModuleAction.java:633) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.doExecute(DoInstallWebModuleAction.java:159) at com.ibm.wps.portlets.adminstruts.actions.BaseAction.execute(BaseAction.java:64) at com.ibm.wps.portlets.struts.WpsRequestProcessor.processActionPerform(WpsRequestProcessor.java:338) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at com.ibm.wps.portlets.struts.WpsStrutsPortlet.processActionPerformed(WpsStrutsPortlet.java:1947) at com.ibm.wps.portlets.struts.WpsStrutsPortlet.actionPerformed(WpsStrutsPortlet.java:1637) at com.ibm.wps.portlets.adminstruts.WpsAdminStrutsPortlet.actionPerformed(WpsAdminStrutsPortlet.java:261) at com.ibm.wps.pe.pc.legacy.SPIPortletInterceptorImpl.handleEvents(SPIPortletInterceptorImpl.java:323) EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. com.ibm.wps.command.applications.AppWarFileException: EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. WrappedException is: com.ibm.wps.pe.mgr.exceptions.InvalidWarFileException: EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. at com.ibm.wps.command.applications.AbstractApplicationsCommand.throwAppMgrException(AbstractApplicationsCommand.java:492) at com.ibm.wps.command.applications.UpdatePortletApplicationCommand.execute(UpdatePortletApplicationCommand.java:165) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.installPortletFromFormFile(DoInstallWebModuleAction.java:510) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.doExecute(DoInstallWebModuleAction.java:159) at com.ibm.wps.portlets.adminstruts.actions.BaseAction.execute(BaseAction.java:64) at com.ibm.wps.portlets.struts.WpsRequestProcessor.processActionPerform(WpsRequestProcessor.java:338) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at com.ibm.wps.portlets.struts.WpsStrutsPortlet.processActionPerformed(WpsStrutsPortlet.java:1947) EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. com.ibm.wps.pe.mgr.exceptions.InvalidWarFileException: EJPPE0020E: It is not allowed to install a JSR 168 compliant over a 4.x portlet application. at com.ibm.wps.pe.mgr.AbstractApplicationManagerImpl.updateWebModule(AbstractApplicationManagerImpl.java:1338) at com.ibm.wps.pe.mgr.AbstractApplicationManagerImpl.updateWebModule(AbstractApplicationManagerImpl.java:1255) at com.ibm.wps.command.applications.UpdatePortletApplicationCommand.execute(UpdatePortletApplicationCommand.java:135) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.installPortletFromFormFile(DoInstallWebModuleAction.java:510) at com.ibm.wps.portlets.portletmanager.actions.DoInstallWebModuleAction.doExecute(DoInstallWebModuleAction.java:159) at com.ibm.wps.portlets.adminstruts.actions.BaseAction.execute(BaseAction.java:64) at com.ibm.wps.portlets.struts.WpsRequestProcessor.processActionPerform(WpsRequestProcessor.java:338) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at com.ibm.wps.portlets.struts.WpsStrutsPortlet.processActionPerformed(WpsStrutsPortlet.java:1947) All I've been able to find about this error via Google is the following in the Websphere Portal documentation: EJPPE0020E: It is not allowed to install a {0} over a {1} portlet application. Explanation: A portlet application containing legacy portlets can only be updated with another portlet application that contains legacy portlets. The same is true for standard portlet applications. User Response: Modify the portlet.xml of the application such that it matches the original API type, standard or legacy and try again. However, the "portlet.xml" file has not changed in about a month, and I've done several WAR updates for this application in that time with no problems. The problem seems to be caused by the code changes I did yesterday, but I have no clue why a few lines of code would do this. Any ideas?

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