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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-11245" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-c9c139a4-5dff-47a5-af8f-5f84659691cc" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11245" style="color: #3b73af; text-decoration: none">HHH-11245</a> </td>
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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-11245" style="color: #3b73af; text-decoration: none">Usage of a closed Thread Context ClassLoader</a> </span> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Change By:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="ctabin" id="email_ctabin" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=ctabin" style="color:#6c797f;; color: #3b73af; text-decoration: none">Cédric Tabin</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffcontext">The _org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl_ stores the thread context classloader during the startup. Since this ClassLoader is only available during the bootstrap, all further call to it will cause a warning in the logs, having the following stack:<br><br>{noformat}<br>Warning: ASURLClassLoader EarClassLoader : <br>doneCalled = true<br>doneSnapshot = ASURLClassLoader.done() called ON EarClassLoader : <br>urlSet = [URLEntry : <entries>]<br>doneCalled = false <br> Parent -> org.glassfish.internal.api.DelegatingClassLoader@7a442fc6<br> AT Fri Nov 11 20:10:22 CET 2016 <br> BY :[java.lang.Thread.getStackTrace(Thread.java:1556), com.sun.enterprise.loader.ASURLClassLoader.done(ASURLClassLoader.java:216), com.sun.enterprise.loader.ASURLClassLoader.preDestroy(ASURLClassLoader.java:184), org.glassfish.javaee.full.deployment.EarClassLoader.preDestroy(EarClassLoader.java:100), org.glassfish.deployment.common.DeploymentContextImpl.getClassLoader(DeploymentContextImpl.java:266), org.glassfish.deployment.common.DeploymentContextImpl.getClassLoader(DeploymentContextImpl.java:216), com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:485), com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219), org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491), com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:539), com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:535), java.security.AccessController.doPrivileged(Native Method), javax.security.auth.Subject.doAs(Subject.java:360), com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:534), com.sun.enterprise.v3.admin.CommandRunnerImpl$3.run(CommandRunnerImpl.java:565), com.sun.enterprise.v3.admin.CommandRunnerImpl$3.run(CommandRunnerImpl.java:557), java.security.AccessController.doPrivileged(Native Method), javax.security.auth.Subject.doAs(Subject.java:360), com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:556), com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1464), com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1300(CommandRunnerImpl.java:109), com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1846), com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1722), com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:534), com.sun.enterprise.v3.admin.AdminAdapter.onMissingResource(AdminAdapter.java:224), org.glassfish.grizzly.http.server.StaticHttpHandlerBase.service(StaticHttpHandlerBase.java:189), com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459), com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167), org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:201), org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:175), org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235), org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119), org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284), org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201), org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133), org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112), org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77), org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:561), org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112), org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117), org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56), org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137), org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:565), org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:545), java.lang.Thread.run(Thread.java:745)] Parent -> org.glassfish.internal.api.DelegatingClassLoader@7a442fc6<br> was requested to find class ch.astorm.entities after done was invoked from the following stack trace<br>java.lang.Throwable<br> at com.sun.enterprise.loader.ASURLClassLoader.findClassData(ASURLClassLoader.java:825)<br> at com.sun.enterprise.loader.ASURLClassLoader.findClass(ASURLClassLoader.java:742)<br> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)<br> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)<br> at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl$AggregatedClassLoader.findClass(ClassLoaderServiceImpl.java:209)<br> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)<br> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)<br> at java.lang.Class.forName0(Native Method)<br> at java.lang.Class.forName(Class.java:348)<br> at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:226)<br>...<br>{noformat}<br><br>This is done by the following piece of code in the class constructor (line 83):<br><br>{code:java}<br>// then the TCCL, if one...<br>final ClassLoader tccl = locateTCCL();<br>if ( tccl != null ) {<br> orderedClassLoaderSet.add( tccl );<br>}<br>{code}<br><br>Actually, this has no functional impact since the needed classes will always be found in the provided ClassLoader which is given by the _EntityManagerFactoryBuilderImpl_ (line 360) because it's the PersistenceUnit's one and will always be available.<br><br>However, the adding of the TCCL should be configurable by a property and/or be platform-configured by default (for Glassfish, _SunOneJtaPlatform_).<br><br>I attached a patch as proposal for a fix, which adds the property _hibernate.classloader.tccl_lookup_ which can handle the values _never_,_before_,_after_, although I'm not sure it is relevant to handle the _before_ and _after_ behaviours... But I think it's interesting to have them since the thread context ClassLoader could change during the runtime.<br><br>Any feedback would be appreciated.<br>Thanks in advance.<br></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br>PS. This issue replaces HHH-11243<br></span> </td>
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