[jboss-jira] [JBoss JIRA] (AS7-3095) Hang in ClassLoader Thread intermittently

Hang in ClassLoader Thread intermittently ----------------------------------------- Key: AS7-3095 URL: https://issues.jboss.org/browse/AS7-3095 Project: Application Server 7 Issue Type: Bug Components: Class Loading Environment: java version "1.7.0_b147-icedtea" OpenJDK Runtime Environment (fedora-2.0.3.fc16-x86_64) OpenJDK 64-Bit Server VM (build 21.0-b17, mixed mode) Reporter: Carlo de Wolf Assignee: David Lloyd Priority: Critical Attachments: jstack-24470.txt There is a high frequency of hangs in the "ClassLoader Thread", which basically brings jboss-modules to a halt. {noformat} "ClassLoader Thread" daemon prio=10 tid=0x00007f0b44281000 nid=0x5fa9 waiting on condition [0x00007f0b48197000] java.lang.Thread.State: RUNNABLE at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:791) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at org.jboss.modules.ModuleClassLoader.doDefineOrLoadClass(ModuleClassLoader.java:330) at org.jboss.modules.ModuleClassLoader.defineClass(ModuleClassLoader.java:411) at org.jboss.modules.ModuleClassLoader.loadClassLocal(ModuleClassLoader.java:260) at org.jboss.modules.ModuleClassLoader$1.loadClassLocal(ModuleClassLoader.java:73) at org.jboss.modules.Module.loadModuleClass(Module.java:500) at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:182) at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:485) at org.jboss.modules.ConcurrentClassLoader.access$400(ConcurrentClassLoader.java:54) at org.jboss.modules.ConcurrentClassLoader$LoaderThread.run(ConcurrentClassLoader.java:656) - locked <0x00000000f9429ef8> (a org.jboss.modules.ModuleClassLoader) {noformat}