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Date: Mon, 20 Jun 2011 03:58:48 +0000 (UTC)
From: "Deepak Pant (JIRA)" <jira@apache.org>
To: java-dev@axis.apache.org
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 <312889762.19702.1308542328640.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] [Commented] (AXIS2-2972) Vague error produced for
 ServiceClient invocation within a service where class pathing is a problem
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    [ https://issues.apache.org/jira/browse/AXIS2-2972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13051787#comment-13051787 ] 

Deepak Pant commented on AXIS2-2972:
------------------------------------

Using WebSphere 7.0.0.17 and Apache Axis2 1.5.5, I tested following without any success.

1. With EnableChildFirstClassLoading=true in axis2.xml and no change in class-loading policy of application in WebSphere, I see following exception in the log file at the server startup time.

Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.FileUploadException
	at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:402)
	at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:619)
	
2. With EnableChildFirstClassLoading=true in axis2.xml and and with PARENT_LAST in class-loading policy of application in WebSphere, I see following exception in the log file at the server startup time.

[6/20/11 9:03:32:656 GMT+05:30] 00000008 SystemOut     O [INFO] The XYZ service, which is not valid, caused java.lang.ClassCastException: org.apache.axis2.classloader.JarFileClassLoader incompatible with org.apache.axis2.deployment.DeploymentClassLoader
	at org.apache.axis2.deployment.ServiceBuilder.populateService(ServiceBuilder.java:131)
	at org.apache.axis2.deployment.ServiceGroupBuilder.populateServiceGroup(ServiceGroupBuilder.java:101)
	at org.apache.axis2.deployment.repository.util.ArchiveReader.buildServiceGroup(ArchiveReader.java:109)
	at org.apache.axis2.deployment.repository.util.ArchiveReader.processServiceGroup(ArchiveReader.java:178)
	at org.apache.axis2.deployment.ServiceDeployer.deploy(ServiceDeployer.java:82)
	at org.apache.axis2.deployment.repository.util.DeploymentFileData.deploy(DeploymentFileData.java:136)
	at org.apache.axis2.deployment.DeploymentEngine.doDeploy(DeploymentEngine.java:661)
	at org.apache.axis2.deployment.repository.util.WSInfoList.update(WSInfoList.java:144)
	at org.apache.axis2.deployment.RepositoryListener.update(RepositoryListener.java:337)
	at org.apache.axis2.deployment.RepositoryListener.checkServices(RepositoryListener.java:241)
	at org.apache.axis2.deployment.DeploymentEngine.loadServices(DeploymentEngine.java:131)
	at org.apache.axis2.deployment.WarBasedAxisConfigurator.loadServices(WarBasedAxisConfigurator.java:284)
	at org.apache.axis2.context.ConfigurationContextFactory.createConfigurationContext(ConfigurationContextFactory.java:95)
	at org.apache.axis2.transport.http.AxisServlet.initConfigContext(AxisServlet.java:567)
	at org.apache.axis2.transport.http.AxisServlet.init(AxisServlet.java:452)
	at org.apache.axis2.transport.http.AxisAdminServlet.init(AxisAdminServlet.java:55)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.init(ServletWrapper.java:358)
	
3. With EnableChildFirstClassLoading=false in axis2.xml and and with PARENT_LAST in class-loading policy of application in WebSphere, I see following exception in the log file at the server startup time.

[6/20/11 9:22:51:571 GMT+05:30] 0000000a SystemOut     O [INFO] The XYZ service, which is not valid, caused java.lang.ClassCastException: org.apache.axis2.classloader.JarFileClassLoader incompatible with org.apache.axis2.deployment.DeploymentClassLoader
	at org.apache.axis2.deployment.ServiceBuilder.populateService(ServiceBuilder.java:131)
	at org.apache.axis2.deployment.ServiceGroupBuilder.populateServiceGroup(ServiceGroupBuilder.java:101)
	at org.apache.axis2.deployment.repository.util.ArchiveReader.buildServiceGroup(ArchiveReader.java:109)
	at org.apache.axis2.deployment.repository.util.ArchiveReader.processServiceGroup(ArchiveReader.java:178)
	at org.apache.axis2.deployment.ServiceDeployer.deploy(ServiceDeployer.java:82)
	at org.apache.axis2.deployment.repository.util.DeploymentFileData.deploy(DeploymentFileData.java:136)
	at org.apache.axis2.deployment.DeploymentEngine.doDeploy(DeploymentEngine.java:661)
	at org.apache.axis2.deployment.repository.util.WSInfoList.update(WSInfoList.java:144)
	at org.apache.axis2.deployment.RepositoryListener.update(RepositoryListener.java:337)
	at org.apache.axis2.deployment.RepositoryListener.checkServices(RepositoryListener.java:241)
	at org.apache.axis2.deployment.DeploymentEngine.loadServices(DeploymentEngine.java:131)
	at org.apache.axis2.deployment.WarBasedAxisConfigurator.loadServices(WarBasedAxisConfigurator.java:284)
	at org.apache.axis2.context.ConfigurationContextFactory.createConfigurationContext(ConfigurationContextFactory.java:95)
	at org.apache.axis2.transport.http.AxisServlet.initConfigContext(AxisServlet.java:567)
	at org.apache.axis2.transport.http.AxisServlet.init(AxisServlet.java:452)
	at org.apache.axis2.transport.http.AxisAdminServlet.init(AxisAdminServlet.java:55)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.init(ServletWrapper.java:358)
	at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.init(ServletWrapperImpl.java:169)


> Vague error produced for ServiceClient invocation within a service where class pathing is a problem
> ---------------------------------------------------------------------------------------------------
>
>                 Key: AXIS2-2972
>                 URL: https://issues.apache.org/jira/browse/AXIS2-2972
>             Project: Axis2
>          Issue Type: Bug
>          Components: databinding, deployment
>    Affects Versions: 1.2
>         Environment: Running in windows XP under eclipse and with axis2 1.2 embedded under Jetty.
>            Reporter: Jason Kania
>            Assignee: Deepal Jayasinghe
>
> The problem I have seen occurs when a component is not in the deployment directory, but is being referenced externally. Instead of encountering a ClassNotFoundException or similar, a vague error is produced when attempting to:
> 1) create a ServiceClient within a service
> 2) load a configuration context within a service
> The client was external to the jar because it will be used both remotely and as a part of the service. The text of the exception is misleading because the receivers in use as per the services.xml have nothing to do with those seen in the error.
> To create the error, simply attempt to create a new ServiceClient() in a class that is not contained within the deployment directory, but is referenced by a class in the deployment directory.
> The error seen is the following:
> java.lang.ClassCastException: org.apache.axis2.receivers.RawXMLINOnlyMessageReceiver cannot be cast to org.apache.axis2.engine.MessageReceiver
> 	at org.apache.axis2.deployment.DescriptionBuilder.loadMessageReceiver(DescriptionBuilder.java:190)
> 	at org.apache.axis2.deployment.DescriptionBuilder$1.run(DescriptionBuilder.java:142)
> 	at org.apache.axis2.java.security.AccessController.doPrivileged(AccessController.java:130)
> 	at org.apache.axis2.deployment.DescriptionBuilder.processMessageReceivers(DescriptionBuilder.java:138)
> 	at org.apache.axis2.deployment.AxisConfigBuilder.populateConfig(AxisConfigBuilder.java:92)
> 	at org.apache.axis2.deployment.DeploymentEngine.populateAxisConfiguration(DeploymentEngine.java:640)
> 	at org.apache.axis2.deployment.FileSystemConfigurator.getAxisConfiguration(FileSystemConfigurator.java:105)
> 	at org.apache.axis2.context.ConfigurationContextFactory.createConfigurationContext(ConfigurationContextFactory.java:60)
> 	at org.apache.axis2.context.ConfigurationContextFactory.createConfigurationContextFromFileSystem(ConfigurationContextFactory.java:174)
> 	at org.apache.axis2.client.ServiceClient.initializeTransports(ServiceClient.java:211)
> 	at org.apache.axis2.client.ServiceClient.configureServiceClient(ServiceClient.java:138)
> 	at org.apache.axis2.client.ServiceClient.<init>(ServiceClient.java:133)
> 	at org.apache.axis2.client.ServiceClient.<init>(ServiceClient.java:229)
> 	at com.test.client.BasicClient.<init>(BasicClient.java:76)
> 	at com.test.client.TestClient.<init>(TestClient.java:31)
> 	at com.test.client.servlet.TestServer.<init>(TestServer.java:452)
> 	at com.test.client.TestServer.getInstance(TestServer.java:65)
> 	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.test.client.ClientMessageHandler.init(ClientMessageHandler.java:51)
> 	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.axis2.engine.DependencyManager.initServiceClass(DependencyManager.java:56)
> 	at org.apache.axis2.engine.DependencyManager.initService(DependencyManager.java:94)
> 	at org.apache.axis2.context.ConfigurationContextFactory.initApplicationScopeServices(ConfigurationContextFactory.java:91)
> 	at org.apache.axis2.context.ConfigurationContextFactory.createConfigurationContext(ConfigurationContextFactory.java:76)
> 	at org.apache.axis2.transport.http.AxisServlet.initConfigContext(AxisServlet.java:486)
> 	at org.apache.axis2.transport.http.AxisServlet.init(AxisServlet.java:406)
> 	at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:433)
> 	at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:256)
> 	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
> 	at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:617)
> 	at org.mortbay.jetty.servlet.Context.startContext(Context.java:139)
> 	at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1218)
> 	at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:500)
> 	at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448)
> 	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
> 	at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:147)
> 	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
> 	at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:117)
> 	at org.mortbay.jetty.Server.doStart(Server.java:210)
> 	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:40)
> 	at com.test.TestServer.<init>(TestServer.java:52)
> 	at com.test.TestServer.main(TestServer.java:83)

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