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

[Carlo de Wolf (Created) (JIRA)]

Hang in ClassLoader Thread intermittently
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                 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}

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