Hi there, this is my first post on this list, so please be gentle :) I have a wicket application that uses SortableDataProvider (org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider). The source compiles nicely on my machine but when i try to deploy it I get the following error: 16:51:47,546 INFO [STDOUT] 16:51:47,545 INFO [AutoDeployDir:183] Processing PmcLocations-war.war 16:51:47,549 INFO [STDOUT] 16:51:47,548 INFO [PortletAutoDeployListener:77] Copying portlets for /opt/deploy/PmcLocations-war.war 16:51:47,563 INFO [STDOUT] Expanding: /opt/deploy/PmcLocations-war.war into /tmp/20090727165147563 16:51:47,582 INFO [warupdater] PSPL_CSPPCWU0014 : Updating the Portlet Application PmcLocations-war with Portlet Container specific artifacts 16:51:47,673 INFO [STDOUT] Copying 1 file to /tmp/20090727165147563/WEB-INF/classes 16:51:47,695 INFO [STDOUT] Copying 1 file to /tmp/20090727165147563/WEB-INF/classes 16:51:47,862 INFO [STDOUT] Copying 19 files to /opt/ jboss-5.1.0.GA/server/default/deploy/PmcLocations-war.war 16:51:47,896 INFO [STDOUT] Copying 1 file to /opt/ jboss-5.1.0.GA/server/default/deploy/PmcLocations-war.war 16:51:47,897 INFO [STDOUT] Deleting directory /tmp/20090727165147563 16:51:47,902 INFO [STDOUT] 16:51:47,901 INFO [PortletAutoDeployListener:87] Portlets for /opt/deploy/PmcLocations-war.war copied successfully. Deployment will start in a few seconds. 16:51:53,649 ERROR [AbstractKernelController] Error installing to PostClassLoader: name=vfsfile:/opt/ jboss-5.1.0.GA/server/default/deploy/PmcLocations-war.war/ state=ClassLoader mode=Manual requiredState=PostClassLoader org.jboss.deployers.spi.DeploymentException: Error during deploy: vfsfile:/opt/jboss-5.1.0.GA/server/default/deploy/PmcLocations-war.war/ at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49) at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:177) at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439) at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157) at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098) at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348) at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631) at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984) at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822) at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553) at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781) at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:702) at org.jboss.system.server.profileservice.repository.MainDeployerAdapter.process(MainDeployerAdapter.java:117) at org.jboss.system.server.profileservice.hotdeploy.HDScanner.scan(HDScanner.java:362) at org.jboss.system.server.profileservice.hotdeploy.HDScanner.run(HDScanner.java:255) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) Caused by: java.lang.NoClassDefFoundError: org/apache/wicket/extensions/markup/html/repeater/util/SortableDataProvider at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:621) at org.jboss.classloader.spi.base.BaseClassLoader.access$200(BaseClassLoader.java:63) at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.java:572) at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.java:532) at java.security.AccessController.doPrivileged(Native Method) at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseClassLoader.java:530) at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseClassLoader.java:507) at org.jboss.classloader.spi.base.BaseDelegateLoader.loadClass(BaseDelegateLoader.java:134) at org.jboss.classloader.spi.filter.FilteredDelegateLoader.loadClass(FilteredDelegateLoader.java:131) at org.jboss.classloader.spi.base.ClassLoadingTask$ThreadTask.run(ClassLoadingTask.java:452) at org.jboss.classloader.spi.base.ClassLoaderManager.nextTask(ClassLoaderManager.java:251) at org.jboss.classloader.spi.base.ClassLoaderManager.process(ClassLoaderManager.java:150) at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:265) at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:1119) at org.jboss.classloader.spi.base.BaseClassLoader.loadClassFromDomain(BaseClassLoader.java:798) at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:441) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:247) at org.jboss.deployers.plugins.annotations.WeakClassLoaderHolder.loadClass(WeakClassLoaderHolder.java:72) at org.jboss.deployers.plugins.annotations.AbstractElement.getOwner(AbstractElement.java:73) at org.jboss.deployment.OptAnnotationMetaDataDeployer.getClasses(OptAnnotationMetaDataDeployer.java:194) at org.jboss.deployment.OptAnnotationMetaDataDeployer.processJBossWebMetaData(OptAnnotationMetaDataDeployer.java:97) at org.jboss.deployment.OptAnnotationMetaDataDeployer.processMetaData(OptAnnotationMetaDataDeployer.java:70) at org.jboss.deployment.AnnotationMetaDataDeployer.deploy(AnnotationMetaDataDeployer.java:177) at org.jboss.deployment.AnnotationMetaDataDeployer.deploy(AnnotationMetaDataDeployer.java:93) at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171) ... 24 more Caused by: java.lang.ClassNotFoundException: org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:247) at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:292) at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:1119) at org.jboss.classloader.spi.base.BaseClassLoader.loadClassFromDomain(BaseClassLoader.java:798) at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:441) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) ... 53 more 16:51:53,670 WARN [HDScanner] Failed to process changes org.jboss.deployers.client.spi.IncompleteDeploymentException: Summary of incomplete deployments (SEE PREVIOUS ERRORS FOR DETAILS):
*** DEPLOYMENTS IN ERROR: Name -> Error vfsfile:/opt/jboss-5.1.0.GA/server/default/deploy/PmcLocations-war.war/ -> org.jboss.deployers.spi.DeploymentException: Error during deploy: vfsfile:/opt/jboss-5.1.0.GA/server/default/deploy/PmcLocations-war.war/ DEPLOYMENTS IN ERROR: Deployment "vfsfile:/opt/ jboss-5.1.0.GA/server/default/deploy/PmcLocations-war.war/" is in error due to the following reason(s): java.lang.ClassNotFoundException: org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider at org.jboss.deployers.plugins.deployers.DeployersImpl.checkComplete(DeployersImpl.java:993) at org.jboss.deployers.plugins.deployers.DeployersImpl.checkComplete(DeployersImpl.java:939) at org.jboss.deployers.plugins.main.MainDeployerImpl.checkComplete(MainDeployerImpl.java:873) at org.jboss.system.server.profileservice.repository.MainDeployerAdapter.checkComplete(MainDeployerAdapter.java:128) at org.jboss.system.server.profileservice.hotdeploy.HDScanner.scan(HDScanner.java:369) at org.jboss.system.server.profileservice.hotdeploy.HDScanner.run(HDScanner.java:255) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) I will add that I am using wicket 1.4 with EJB 3 and inside of the Liferay portal running on jboss 5.1. I will also add that I am very new to the wicket\j2ee world. any idea as to why this could be happening? Thanks, Elad.