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  • Modify the filter chain - Or select servlet to respond to request using filter

    - by klonq
    I am trying to use a filter to map requests. I am trying to do this for two reasons, firstly to dynamically generate URI's and have them mapped to the appropriate servlet and secondly to catch URI's which are not registered and handle them appropriately. So I'm using a catch-all filter to process the URI and determine the response. I would like some way of modifying the filter chain, or some way to set the servlet which responds to the request from within the filter. I have been unsuccessful using filterConfig.getServletContext().getRequestDispatcher().forward() to send to jsp, ideally though I would like to map to a servlet but can't figure out how. The reason I am not doing this from within a servlet is that I have some URIs which are fixed within web.xml and if I use a catch-all servlet those URIs do not get mapped. Is this possible, is it clean or it going to get really messy?

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  • Upload big file to servlet?

    - by Harry Pham
    I try to upload file using Apache Common File Upload. The servlet throw an exception FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); List items = upload.parseRequest(request); //This line is where it died Edit: Here is my console log SEVERE: Servlet.service() for servlet UploadServlet threw exception javax.servlet.ServletException: Servlet execution threw an exception at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:313) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:637)

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  • Java servlet and UTF-8 problem

    - by Gabriele
    I have some problem with UTF-8. My client (realized in GWT) make a request to my servlet, with some parametres in the URL, as follow: http://localhost:8080/servlet?param=value When in the servlet I retrieve the URL, I have some problem with UTF-8 characters. I use this code: protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("UTF-8"); String reqUrl = request.getRequestURL().toString(); String queryString = request.getQueryString(); System.out.println("Request: "+reqUrl + "?" + queryString); ... So, if I call this url: http://localhost:8080/servlet?param=così the result is like this: Request: http://localhost:8080/servlet?param=cos%C3%AC What can I do to set up properly the character encoding?

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  • ajax and servlet

    - by kawtousse
    Hi everyone I am using ajax to send a value to a servlet with that parameter value I must display a table HTML. from my JSP when sending with following: xhr.open("POST","ServletImputOPC",true); xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded'); var unit =document.getElementById('unit').value; xhr.send("t[0]="+t[0]); it returns the clause in my servlet correctly witch is: parameter received:Nameof my parameter. that is improve that the servlet receive the parameter. But when using it in the servlet it return a null value. So the problem that the servlet return the parameter received but did not able to use it. What should I do to resolve it. Many thinks.

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  • Servlet mapping for ajax call parameters

    - by Woho87
    Hi guys! <servlet-mapping> <servlet-name>Test</servlet-name> <url-pattern>/GetContacts*</url-pattern> </servlet-mapping> I got a simple problem where I can't find any solution on the internet. I have a ajax calls that have the url http://localhost:80/Push/GetContacts?id=23..... The above servlet mapping is not correct for the AJAX call. it issues a http 404 not found call. What is the right syntax to enable my ajax call?

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  • Servlet doesnt appear to execute in a threaded manner

    - by RenegadeAndy
    I have developed a simple server using Tomcat which runs a servlet. The servlet calls a command line program - which takes about 20 seconds to execute then returns the result to the user via JSON. The problem is - if i make above 2 simultaneous requests, the servlet blocks until one of the previous requests is completed. An example of this can be seen below - "Im in" is the top of the servlet, and the list of results is after the servlet is executed. All requests were made at the same time - but you can clearly see they are not dealt with simultaneously. What setting do I need to change in tomcat in order to have all requests handeled at the same time? Thanks Andy Im in Im in FVFNT01 STOP_IDLE FVFNT03 STOP_IDLE FVFNT16 STOP_IDLE FVFNT17 STOP_IDLE FVFNT01 STOP_IDLE FVFNT03 STOP_IDLE FVFNT16 STOP_IDLE FVFNT17 STOP_IDLE Im in FVFNT01 STOP_IDLE FVFNT03 STOP_IDLE FVFNT16 STOP_IDLE FVFNT17 STOP_IDLE Im in FVFNT01 STOP_IDLE FVFNT03 STOP_IDLE FVFNT16 STOP_IDLE FVFNT17 STOP_IDLE Im in FVFNT01 STOP_IDLE FVFNT03 STOP_IDLE FVFNT16 STOP_IDLE FVFNT17 STOP_IDLE Im in FVFNT01 STOP_IDLE FVFNT03 STOP_IDLE FVFNT16 STOP_IDLE FVFNT17 STOP_IDLE Im in FVFNT01 STOP_IDLE FVFNT03 STOP_IDLE FVFNT16 STOP_IDLE FVFNT17 STOP_IDLE Im in FVFNT01 STOP_IDLE FVFNT03 STOP_IDLE FVFNT16 STOP_IDLE FVFNT17 STOP_IDLE

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  • Fetching JSON object from Servlet Java

    - by ChrisA
    I want to create an application that will fetch a JSON object from a servlet to deserialize it, and then use its variables to do other things. My servlet has the following code in the doPost: protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ObjectOutputStream os; os = new ObjectOutputStream(response.getOutputStream()); String s = new String("A String"); Gson gson = new Gson(); String gsonObject= gson.toJson(s); os.writeObject(gsonObject); os.close(); } Now, while the servlet is running, I can access it via a browser, if I post same code in the doGet method, that would download a servlet file, which is not what I want. What should I use in my second application that would connect to the servlet, fetch the object, so that I can manipulate it later? Thanks in advance.

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  • can we do getwriter and forward in a single servlet

    - by karanits
    Lets say my form called a servlet. I would do some processing in it. In the servlet i want to print something on the page. for that i used PrintWriter out=response.getWriter(); out.println("some text here"); then further in the servlet i did some more form processing which works fine and after that i want the servlet to be forwarded to a jsp page. For this i used RequestDispatcher rd = request.getRequestDispatcher("/somepage.jsp"); rd.forward(request, response); the problem comes here. the text some text here gets printed, but the servlet doesn't forward request to the jsp page, as if the code doesn't run.

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  • MultiActionController no longer receiving requests?

    - by Stefan Kendall
    I was attempting to make changes to my controller, and all of a sudden, I no longer seem to receive any requests (404 when attempting to hit the servlet mapped URLs). I'm sure I've broken my web.xml or app-servlet.xml, but I just don't see where. I can access index.jsp from tomcat (http://IP/app/index.jsp), but I can't get my servlet mapping to work correctly. Help? web.xml: <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app version = "2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <servlet> <servlet-name>app</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> </servlet> <servet-mapping> <servlet-name>app</servlet-name> <url-pattern>/myRequest</url-pattern> </servet-mapping> app-servlet.xml: <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app version = "2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <servlet> <servlet-name>app</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> </servlet> <servet-mapping> <servlet-name>app</servlet-name> <url-pattern>/myRequest</url-pattern> </servet-mapping> </web-app>

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  • Problem connecting to Hsqldb via Hibernate when running a Eclipse GWT project.

    - by Toby
    Hi, I'm trying to run a simple GWT project where I'm trying to do a simple persitence via hibernate to a HSQLDB database. The database I'm using I have been using for at least 2 years with several osgi applications without any problems. So all I done is reused the same configuration and added a simple object mapping file. The problem I have is that I get a socket creation error when ever I try to persist the object with in GWT jetty. I now the database is up and running, I can telnet to it, run OSGI projects that uses the same config with out problems. This is the stack I get when running 25 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.Environment - Hibernate 3.3.1.GA 30 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.Environment - hibernate.properties not found 34 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.Environment - Bytecode provider name : javassist 42 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling 162 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.Configuration - configuring from resource: hibernate.cfg.xml 162 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.Configuration - Configuration resource: hibernate.cfg.xml 268 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.Configuration - Reading mappings from resource : hbm-mappings/project.hbm.xml 382 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.HbmBinder - Mapping class: se.kanit.projectmgr.db.ProjectDAO - T_PROJECT 419 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.Configuration - Configured SessionFactory: null 3534 [21704474@qtp-26509496-0] INFO org.hibernate.connection.DriverManagerConnectionProvider - Using Hibernate built-in connection pool (not for production use!) 3534 [21704474@qtp-26509496-0] INFO org.hibernate.connection.DriverManagerConnectionProvider - Hibernate connection pool size: 1 3534 [21704474@qtp-26509496-0] INFO org.hibernate.connection.DriverManagerConnectionProvider - autocommit mode: false 3537 [21704474@qtp-26509496-0] INFO org.hibernate.connection.DriverManagerConnectionProvider - using driver: org.hsqldb.jdbcDriver at URL: jdbc:hsqldb:hsql://localhost:1476/dirtyharry 3537 [21704474@qtp-26509496-0] INFO org.hibernate.connection.DriverManagerConnectionProvider - connection properties: {user=sa, password=****} 3594 [21704474@qtp-26509496-0] WARN org.hibernate.cfg.SettingsFactory - Could not obtain connection metadata java.sql.SQLException: socket creation error at org.hsqldb.jdbc.Util.sqlException(Unknown Source) at org.hsqldb.jdbc.jdbcConnection.(Unknown Source) at org.hsqldb.jdbcDriver.getConnection(Unknown Source) at org.hsqldb.jdbcDriver.connect(Unknown Source) at java.sql.DriverManager.getConnection(DriverManager.java:582) at java.sql.DriverManager.getConnection(DriverManager.java:154) at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:133) at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:111) at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2101) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1325) at se.kanit.projectmgr.db.HibernateUtil.(HibernateUtil.java:24) at se.kanit.web.projectmgr.server.issues.IssuesService.addIssue(IssuesService.java:26) 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.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:100) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:562) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:188) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224) at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:51) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:122) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:70) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:349) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) 3626 [21704474@qtp-26509496-0] INFO org.hibernate.dialect.Dialect - Using dialect: org.hibernate.dialect.HSQLDialect 3640 [21704474@qtp-26509496-0] INFO org.hibernate.transaction.TransactionFactoryFactory - Using default transaction strategy (direct JDBC transactions) 3644 [21704474@qtp-26509496-0] INFO org.hibernate.transaction.TransactionManagerLookupFactory - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended) 3644 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Automatic flush during beforeCompletion(): disabled 3644 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Automatic session close at end of transaction: disabled 3645 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Scrollable result sets: disabled 3645 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - JDBC3 getGeneratedKeys(): disabled 3645 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Connection release mode: auto 3646 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Default batch fetch size: 1 3646 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Generate SQL with comments: disabled 3646 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Order SQL updates by primary key: disabled 3646 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Order SQL inserts for batching: disabled 3646 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory 3651 [21704474@qtp-26509496-0] INFO org.hibernate.hql.ast.ASTQueryTranslatorFactory - Using ASTQueryTranslatorFactory 3651 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Query language substitutions: {} 3652 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - JPA-QL strict compliance: disabled 3652 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Second-level cache: enabled 3652 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Query cache: disabled 3664 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Cache region factory : org.hibernate.cache.impl.bridge.RegionFactoryCacheProviderBridge 3665 [21704474@qtp-26509496-0] INFO org.hibernate.cache.impl.bridge.RegionFactoryCacheProviderBridge - Cache provider: org.hibernate.cache.NoCacheProvider 3666 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Optimize cache for minimal puts: disabled 3666 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Structured second-level cache entries: disabled 3678 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Statistics: disabled 3678 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Deleted entity synthetic identifier rollback: disabled 3678 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Default entity-mode: pojo 3679 [21704474@qtp-26509496-0] INFO org.hibernate.cfg.SettingsFactory - Named query checking : enabled 3775 [21704474@qtp-26509496-0] INFO org.hibernate.impl.SessionFactoryImpl - building session factory 4155 [21704474@qtp-26509496-0] INFO org.hibernate.impl.SessionFactoryObjectFactory - Not binding factory to JNDI, no JNDI name configured 4170 [21704474@qtp-26509496-0] INFO org.hibernate.tool.hbm2ddl.SchemaUpdate - Running hbm2ddl schema update 4170 [21704474@qtp-26509496-0] INFO org.hibernate.tool.hbm2ddl.SchemaUpdate - fetching database metadata 4171 [21704474@qtp-26509496-0] ERROR org.hibernate.tool.hbm2ddl.SchemaUpdate - could not get database metadata java.sql.SQLException: socket creation error at org.hsqldb.jdbc.Util.sqlException(Unknown Source) at org.hsqldb.jdbc.jdbcConnection.(Unknown Source) at org.hsqldb.jdbcDriver.getConnection(Unknown Source) at org.hsqldb.jdbcDriver.connect(Unknown Source) at java.sql.DriverManager.getConnection(DriverManager.java:582) at java.sql.DriverManager.getConnection(DriverManager.java:154) at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:133) at org.hibernate.tool.hbm2ddl.SuppliedConnectionProviderConnectionHelper.prepare(SuppliedConnectionProviderConnectionHelper.java:51) at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:168) at org.hibernate.impl.SessionFactoryImpl.(SessionFactoryImpl.java:346) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1327) at se.kanit.projectmgr.db.HibernateUtil.(HibernateUtil.java:24) at se.kanit.web.projectmgr.server.issues.IssuesService.addIssue(IssuesService.java:26) 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.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:100) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:562) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:188) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224) at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:51) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:122) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:70) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:349) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) 4172 [21704474@qtp-26509496-0] ERROR org.hibernate.tool.hbm2ddl.SchemaUpdate - could not complete schema update java.sql.SQLException: socket creation error at org.hsqldb.jdbc.Util.sqlException(Unknown Source) at org.hsqldb.jdbc.jdbcConnection.(Unknown Source) at org.hsqldb.jdbcDriver.getConnection(Unknown Source) at org.hsqldb.jdbcDriver.connect(Unknown Source) at java.sql.DriverManager.getConnection(DriverManager.java:582) at java.sql.DriverManager.getConnection(DriverManager.java:154) at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:133) at org.hibernate.tool.hbm2ddl.SuppliedConnectionProviderConnectionHelper.prepare(SuppliedConnectionProviderConnectionHelper.java:51) at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:168) at org.hibernate.impl.SessionFactoryImpl.(SessionFactoryImpl.java:346) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1327) at se.kanit.projectmgr.db.HibernateUtil.(HibernateUtil.java:24) at se.kanit.web.projectmgr.server.issues.IssuesService.addIssue(IssuesService.java:26) 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.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:100) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:562) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:188) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224) at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:51) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:122) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:70) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:349) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) 4293 [21704474@qtp-26509496-0] WARN org.hibernate.util.JDBCExceptionReporter - SQL Error: -80, SQLState: 08000 4293 [21704474@qtp-26509496-0] ERROR org.hibernate.util.JDBCExceptionReporter - socket creation error Cannot open connection org.hibernate.exception.JDBCConnectionException: Cannot open connection at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:97) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449) at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:142) at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:85) at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1353) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:100) at org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:342) at $Proxy7.beginTransaction(Unknown Source) at se.kanit.projectmgr.db.HibernateUtil.saveOrUpdate(HibernateUtil.java:115) at se.kanit.web.projectmgr.server.issues.IssuesService.addIssue(IssuesService.java:26) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:100) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:562) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:188) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224) at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:51) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:122) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:70) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:349) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) Caused by: java.sql.SQLException: socket creation error at org.hsqldb.jdbc.Util.sqlException(Unknown Source) at org.hsqldb.jdbc.jdbcConnection.(Unknown Source) at org.hsqldb.jdbcDriver.getConnection(Unknown Source) at org.hsqldb.jdbcDriver.connect(Unknown Source) at java.sql.DriverManager.getConnection(DriverManager.java:582) at java.sql.DriverManager.getConnection(DriverManager.java:154) at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:133) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446) ... 49 more Any tips and ideas are greatly appreciated. Cheers. Toby.

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  • Sending email from an alternative domain to protect my "core" domain from spam filters

    - by Jack7890
    I run a website (seatgeek.com) that sends a lot of transactional email to users--account updates, alerts, etc. It's important to us that our domain remains clean in the eyes of spam filters. We'd like to roll out an email marketing campaign. It's nothing particularly spammy, but this would be the first time we ever emailed to people who hadn't expressly asked to receive email from us. It's to market a new product we built to a specific niche of professionals. In order to protect our domain in the eyes of spam filters, we're considering sending the marketing email from an alternative domain. The alternative domain is an alternative landing page we sometimes use for this new product. Is there any way this could backfire on us? Does it seem like a particularly poor idea?

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  • Servlet Mapping Help - Possible to Avoid Referencing Context Name?

    - by AJ
    Hi all, I am working on a Spring application and trying to get my URL mapping correct. What I would like to have work is the following: http://localhost:8080/idptest -> doesn't work But instead, I have to reference the context name in my URL in order to resolve the mapping: http://localhost:8080/<context_name>/idptest -> works How can I avoid the requirement of referencing the context name in my URL without using a rewrite/proxy engine e.g. Apache? Here is the servlet definition and mapping from my web.xml: <servlet> <servlet-name>idptest</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/conf/idptest.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>idptest</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> Here's the outline of my controller (showing annotations for request mappings): @Controller @RequestMapping("/idptest") public class MyController { @RequestMapping(method=RequestMethod.GET) public String setupForm(Model model){ MyObject someObject = new MyObject(); model.addAttribute("someObject", someObject); return "myform"; } @RequestMapping(method = RequestMethod.POST) public String processSubmit(@ModelAttribute("someObject") MyObject someObject) throws Exception { // POST logic... } } Thanks!

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  • Servlet IOException when streaming a Byte Array

    - by MontyBongo
    I occasionally get an IOException from a Servlet I have that writes a byte array to the outputstream in order to provide a file download capability. This download servlet has a reasonable amount of traffic (100k hits a month) and this exception occurs rarely, around 1-2 times a month. I have tried recreating the exception by using the exact same Base64 String and no exception is raised and the Servlet behaves as designed. Is this IO Exception being caused by something outside my applications control? For example a network issue or the user resetting the connection? I have tried to google the cause of an IOException at this point in the stack but to no avail. The environment is running Tomcat 5.5 on CentOS 5.3 with an Apache HTTP Server acting as a proxy using proxy_ajp. ClientAbortException: java.io.IOException at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBufferjava:366) at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:352) at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392) at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:381) at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89) at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:83) at com.myApp.Download.doPost(Download.java:34) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at com.myApp.EntryServlet.service(EntryServlet.java:278) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at com.myApp.filters.RequestFilter.doFilter(RequestFilter.java:16) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151) at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:444) at org.apache.coyote.ajp.AjpAprProtocol$AjpConnectionHandler.process(AjpAprProtocol.java:472) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286) at java.lang.Thread.run(Thread.java:636) Caused by: java.io.IOException at org.apache.coyote.ajp.AjpAprProcessor.flush(AjpAprProcessor.java:1200) at org.apache.coyote.ajp.AjpAprProcessor$SocketOutputBuffer.doWrite(AjpAprProcessor.java:1285) at org.apache.coyote.Response.doWrite(Response.java:560) at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBufferjava:361) And the code in the Download Servlet: @Override protected void doPost (HttpServletRequest request, HttpServletResponse response) throws ServletException, java.io.IOException { try { response.setContentType("application/pdf"); response.setHeader("Pragma", ""); response.setHeader("Cache-Control", ""); response.setHeader("Content-Disposition", "Inline; Filename=myPDFFile..pdf"); ServletOutputStream out = response.getOutputStream(); byte[] downloadBytes = Base64.decode((String)request.getAttribute("fileToDownloadBase64")); out.write(downloadBytes); } catch (Base64DecodingException e) { e.printStackTrace(); response.getOutputStream().print("An error occurred"); } }

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  • How to prevent duplication of content on a page with too many filters?

    - by Vikas Gulati
    I have a webpage where a user can search for items based on around 6 filters. Currently I have the page implemented with one filter as the base filter (part of the url that would get indexed) and other filters in the form of hash urls (which won't get indexed). This way the duplication is less. Something like this example.com/filter1value-items#by-filter3-filter3value-filter2-filter2value Now as you may see, only one filter is within the reach of the search engine while the rest are hashed. This way I could have 6 pages. Now the problem is I expect users to use two filters as well at times while searching. As per my analysis using the Google Keyword Analyzer there are a fare bit of users that might use two filters in conjunction while searching. So how should I go about it? Having all the filters as part of the url would simply explode the number of pages and sticking to the current way wouldn't let me target those users. I was thinking of going with at max 2 base filters and rest as part of the hash url. But the only thing stopping me is that it would lead to duplication of content as per Google Webmaster Tool's suggestions on Url Structure.

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  • Error with connection in my database servlet

    - by Zerobu
    Hello, I am writing a Database servlet, all seems well except that there seems to be an error in my connection import java.io.IOException; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import javax.servlet.RequestDispatcher; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class DBServlet3 extends HttpServlet { private static final long serialVersionUID = 1L; @Override public void init() throws ServletException { super.init(); try { String jdbcDriverClass= getServletContext().getInitParameter( "jdbcDriverClass" ); if (jdbcDriverClass == null) throw new ServletException( "Could not find jdbcDriverClass initialization parameter" ); Class.forName( jdbcDriverClass ); } catch (ClassNotFoundException e) { throw new ServletException( "Could not load JDBC driver class", e ); } } @Override protected void doGet( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException { RequestDispatcher dispatcher= request.getRequestDispatcher( "/db.jsp" ); ServletContext application= getServletContext(); ArrayList<String> names= new ArrayList<String>(); try { Connection connection= null; Statement statement= null; ResultSet results= null; try { String jdbcUrl= application.getInitParameter( "jdbcUrl" ); String jdbcUser= application.getInitParameter( "jdbcUser" ); String jdbcPassword= application.getInitParameter( "jdbcPassword" ); connection= DriverManager.getConnection( jdbcUrl, jdbcUser, jdbcPassword ); statement= connection.createStatement(); results= statement.executeQuery( "SELECT * FROM students" ); while (results.next()) { String name= results.getString( "name" ); names.add( name ); } } finally { if (results != null) results.close(); if (statement != null) statement.close(); if (connection != null) connection.close(); } } catch (SQLException e) { throw new ServletException( e ); } request.setAttribute( "names", names ); dispatcher.forward( request, response ); } @Override protected void doPost( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException { String sql= "INSERT INTO students VALUES (" + request.getParameter( "id" ) + ", '" + request.getParameter( "name" ) + "')"; sql= "INSERT INTO students VALUES (?, ?, ?, ?)"; PreparedStatement statement= connection.prepareStatement( sql ); //error on this line statement.setString( 1, request.getParameter( "id" ) ); statement.setString( 2, request.getParameter( "name" ) ); } }

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  • Nightmare: Upgrading Tomcat 5.5 to 6.0

    - by pavanlimo
    I'm trying to upgrade a perfectly running embedded Tomcat 5.5 to Tomcat 6.0. I understand that all I need to do is replace Tomcat 5.5 jars with 6.0. That's what I did. So I replaced the following jars: catalina-5.0.28.jar catalina-5.5.9.jar catalina-optional-5.5.9.jar commons-el.jar commons-modeler-1.1.0.jar jasper-compiler-jdt.jar jasper-compiler.jar jasper-runtime.jar jmx-5.0.28.jar jsp-api-2.0.jar naming-factory.jar naming-resources.jar servlet-api-2.4.jar servlets-default.jar tomcat-coyote.jar tomcat-http.jar tomcat-util.jar with: annotations-api.jar catalina.jar jasper.jar tomcat-dbcp.jar catalina-ant.jar el-api.jar jsp-api.jar tomcat-i18n-es.jar catalina-ha.jar jasper-el.jar servlet-api.jar tomcat-i18n-fr.jar catalina-tribes.jar jasper-jdt.jar tomcat-coyote.jar tomcat-i18n-ja.jar tomcat-juli.jar As soon as I start the server, I get the following message in the logs at INFO level: INFO: Starting Servlet Engine: Apache Tomcat/6.0.29 Dec 31, 2010 6:04:18 AM org.apache.catalina.loader.WebappClassLoader validateJarFile INFO: validateJarFile(/usr/local/blah/blue/./WEB-INF/lib/servlet-api.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class Based on the this explanation, I need to remove a jar file which has a conflicting Servlet.class. I swear to God, there is no other conflicting jar file, I grepped system wide for Servlet.class, it matched only servlet-api.jar. I also downloaded javaee.jar and replaced it by servlet-api.jar, to same avail. Having tried lot of these stuff, I did not have much to look upto, so set the tomcat logging level to ALL. In the log I could see that it is trying to check for Servlet.class in each and every jar it is loading until it finds servlet-api.jar and throws "jar not loaded" message as soon as it finds servlet-api.jar. See below: FINE: Checking for javax/servlet/Servlet.class Jan 2, 2011 7:39:33 AM org.apache.catalina.loader.WebappLoader setRepositories FINE: Deploy JAR /WEB-INF/lib/servlet-api.jar to /usr/local/blah/blue/./WEB-INF/lib/servlet-api.jar Jan 2, 2011 7:39:33 AM org.apache.catalina.loader.WebappClassLoader addJar FINE: addJar(/WEB-INF/lib/servlet-api.jar) Jan 2, 2011 7:39:33 AM org.apache.catalina.loader.WebappClassLoader validateJarFile FINE: Checking for javax/servlet/Servlet.class Jan 2, 2011 7:39:33 AM org.apache.catalina.loader.WebappClassLoader validateJarFile INFO: validateJarFile(/usr/local/blah/blue/./WEB-INF/lib/servlet-api.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class Jan 2, 2011 7:39:33 AM org.apache.catalina.loader.WebappLoader setRepositories Please note however, that Tomcat starts successfully! And as soon as I hit the URL on the browser, I get blank page(this may be in my case only, I guess 'cuz of my web.xml, sorta different from most. Other people on the internet have got Error 404 instead.) with following log statements(at finest level) Jan 2, 2011 9:40:01 AM org.apache.catalina.connector.CoyoteAdapter parseSessionCookiesId FINE: Requested cookie session id is 0FBA716E3F9B0147C3AF7ABAE3B1C27B Jan 2, 2011 9:40:01 AM org.apache.catalina.authenticator.AuthenticatorBase invoke FINE: Security checking request GET /login.jsp Jan 2, 2011 9:40:01 AM org.apache.catalina.realm.RealmBase findSecurityConstraints FINE: Checking constraint 'SecurityConstraint[protected]' against GET /login.jsp --> false Jan 2, 2011 9:40:01 AM org.apache.catalina.realm.RealmBase findSecurityConstraints FINE: Checking constraint 'SecurityConstraint[protected]' against GET /login.jsp --> false Jan 2, 2011 9:40:01 AM org.apache.catalina.realm.RealmBase findSecurityConstraints FINE: Checking constraint 'SecurityConstraint[protected]' against GET /login.jsp --> false Jan 2, 2011 9:40:01 AM org.apache.catalina.realm.RealmBase findSecurityConstraints FINE: Checking constraint 'SecurityConstraint[protected]' against GET /login.jsp --> false Jan 2, 2011 9:40:01 AM org.apache.catalina.realm.RealmBase findSecurityConstraints FINE: No applicable constraint located Jan 2, 2011 9:40:01 AM org.apache.catalina.authenticator.AuthenticatorBase invoke FINE: Not subject to any constraint Jan 2, 2011 9:40:01 AM org.apache.catalina.core.StandardWrapper allocate FINEST: Returning non-STM instance I'm not sure if the above log message is important, but I'm for all-out disclosure here. One interesting thing though, I manually created a dummy jsp file containing only "helloooo" just outside WEB-INF folder(no security constraints for this file). This file was accessible and could be displayed. But, all my jsp's and classes are inside WEB-INF(ofcourse). Sick and tired of this issue, please help me solve it. I've already spent 20-24 hours on this unsuccessfully. Any pointers directions hints leads?

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  • EOFException in ObjectInputStream thrown accessing Servlet. Only for Webstart ?!

    - by Houtman
    Hi, My app. is started from both the commandline and by using an JNLP file. Im running java version 1.6.0_14 First i had the problem that i created the Buffered input and output streams in incorrect order. Found the solution here at StackOverflow . So starting from the commandline works fine now. But when starting the app using Webstart, it ends here java.io.EOFException at java.io.ObjectInputStream$PeekInputStream.readFully(Unknown Source) at java.io.ObjectInputStream$BlockDataInputStream.readShort(Unknown Source) at java.io.ObjectInputStream.readStreamHeader(Unknown Source) at java.io.ObjectInputStream.<init>(Unknown Source) at <..>remoting.thinclient.RemoteSocketChannel.<init>(RemoteSocketChannel.java:76) I found some posts regarding similar problems; at bugs.sun.com - identifies problem as solved in 6u10(b12)? at ibm.com - identifies cookies problem The latter suggests that there is a problem in Webstart with cookies. It doesn't seem to be acknowledged as a proper java bug though.. Still i am a bit lost in the solution provided regarding the cookies. Can anyone expand on the cookie solution? Many thanks.

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  • How do I redirect to the current page in Servlet Filter?

    - by JeffJak
    I have a page say: /myapp/test.jsp?queryString=Y. The filter needs to redirect to current page. It should go to /myapp/test.jsp (without the query string). The below seems to bring it to to the context root: /myapp. I am running in WAS6.1. public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws IOException, ServletException { HttpServletRequest httpReq = (HttpServletRequest) req; HttpServletResponse httpResp = (HttpServletResponse) resp; { boolean blnNeedToRedirect = true; if (blnNeedToRedirect) { httpResp.sendRedirect("."); return; } chain.doFilter(req, resp); }

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  • Servlet : Usage of Constants.java class vs context param

    - by Pongsakorn Semsuwan
    I'm just wondering whether to keep some of my variables in Constants class or keep it in web.xml Say, I want to keep a variable of Facebook graph API prefix or api_key, client_id From my understand, the difference between Constants.java and web.xml is web.xml is easier to rewrite on compile using ant. So, you can replace your variables in web.xml according to what environment you are building you app for. (client_id varies by development environment/production environment, for example) If I understand it right, then Facebook graph API prefix should be kept in Constants.java (because it always is "https://graph.facebook.com/") and api_key, client_id should be kept in web.xml? What's the proper way to use them?

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  • Uploadify plugin doesn't call Java Servlet

    - by sergionni
    Hello,i just started using Uploadify flash plugin instead of standard HTML UI. And met the next problem: when I click "Upload Files" link,that progress is shown and "completed" status is appeared, but in reality - it didn't happened anything,Java Servlet isn't called from backend. There is upload servlet and uploading performed next way earlier: < form enctype="multipart/form-data" method="post" target="uploadFrame" action="<%= request.getContextPath() %>/uploadFile?portletId=${portletId}&remoteFolder=${remoteFolder}">... After providing Uploadify plugin, UI now looks like: plugin part(configuration): <script> ... oScript.text+= "$j('#uploadify').uploadify({"; oScript.text+= "'uploader' : 'kne-portlets/js/lib/uploadify/scripts/uploadify.swf',"; oScript.text+= "'script' : '<%= request.getContextPath() %>/uploadFile?portletId=${portletId}&remoteFolder=<%= decodedString %>',"; oScript.text+= "'cancelImg': 'kne-portlets/js/lib/uploadify/cancel.png',"; oScript.text+= "'folder' : '<%= decodedString %>',"; oScript.text+= "'queueID' : 'fileQueue',"; oScript.text+= "'auto' : false,"; oScript.text+= "'multi' : false,"; //oScript.text+= "'sizeLimit' : 1000"; oScript.text+= "});"; oScript.text+= "});"; ... </script> 'scripts' parameter here points to Java Servlet on backend <%= decodedString %> is folder path, which value is \\file-srv\demo part for uploading: <input type="file" name="uploadify" id="uploadify" /> <a href="javascript:$j('#uploadify').uploadifyUpload();">Upload Files</a> Where is my fault? 'Script' param in plugin config points to Java Servlet on backend and it's done,but Servlet isn't triggered. error, when 'script' param isn't correct:http://img190.imageshack.us/i/errormm.png/ Thank you for assistance.

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  • Servlet Profiling

    - by MontyBongo
    What is the best way to undertake Servlet profiling? In particular I am looking for a solution that can show the execution times of the method calls within the servlet. I am running the Servlet within a Tomcat environment. I have tried VisualVM but it only allows me to see the method calls from the Tomcat thread rather than the Servlets themselves.

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  • java servlet programming errror

    - by abson
    C:\Tomcat5.5\webapps\WEB-INF\classes>javac MyServlet.java MyServlet.java:2: package javax.servlet does not exist import javax.servlet.*; ^ MyServlet.java:3: package javax.servlet.http does not exist import javax.servlet.http.*; ^ MyServlet.java:5: cannot find symbol symbol: class HttpServlet public class MyServlet extends HttpServlet ^ MyServlet.java:7: cannot find symbol symbol : class HttpServletRequest location: class MyServlet public void doGet(HttpServletRequest req, HttpServletResponse res) throws Serv letException,IOException ^ MyServlet.java:7: cannot find symbol symbol : class HttpServletResponse location: class MyServlet public void doGet(HttpServletRequest req, HttpServletResponse res) throws Serv letException,IOException ^ MyServlet.java:7: cannot find symbol symbol : class ServletException location: class MyServlet public void doGet(HttpServletRequest req, HttpServletResponse res) throws Serv letException,IOException ^ 6 errors

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  • Grails + GAE - Issue using app.servlet.version=2.5

    - by Taylor L
    Updating the servlet version in application.properties to 2.5 has no affect on the generated web.xml. The generated web.xml is still version 2.4. app.servlet.version=2.5 Also, if I try to execute "run-app" I get the exception below: Running Grails application.. Starting AppEngine generated indices thread. Starting reload monitor thread. [java] Jan 26, 2010 5:27:05 AM com.google.apphosting.utils.jetty.JettyLogger warn [java] WARNING: Failed startup of context com.google.apphosting.utils.jetty.DevAppEngineWebAppContext@4178460d{/,C:\Users\Taylor Leese\workspace\test-gae\web-app} [java] java.lang.IllegalStateException: No such servlet: grails [java] at org.mortbay.jetty.servlet.ServletHandler.updateMappings(ServletHandler.java:953) [java] at org.mortbay.jetty.servlet.ServletHandler.setServletMappings(ServletHandler.java:1037) [java] at org.mortbay.jetty.webapp.WebXmlConfiguration.initialize(WebXmlConfiguration.java:305) [java] at org.mortbay.jetty.webapp.WebXmlConfiguration.configure(WebXmlConfiguration.java:222) [java] at org.mortbay.jetty.webapp.WebXmlConfiguration.configureWebApp(WebXmlConfiguration.java:180) [java] at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1215) [java] at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:500) [java] at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448) [java] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) [java] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:117) [java] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) [java] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:117) [java] at org.mortbay.jetty.Server.doStart(Server.java:217) [java] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40) [java] at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:188) [java] at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:120) [java] at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:217) [java] at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:162) [java] at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48) [java] at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:113) [java] at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:89) [java] The server is running at http://localhost:8080/ Any ideas how to resolve these issues?

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