Have a third party application running on app on Solaris 9 , jboss 3.03,
tomcat-4.1.12
The jboss run.sh script intermittently appears to hang. What happens is one of
the lwp hogs a load of CPU.
All in USR accoring to prstat.
PID USERNAME USR SYS TRP TFL DFL LCK SLP LAT VCX ICX SCL SIG PROCESS/LWPID
27268 siebicm 98 1.6 0.0 0.0 0.0 0.0 0.1 0.0 2 24 641 0 java/17
Took some threaddumps and the corresponding thread (nid=0x11 matches LWPID=17
in decimal) is in java.util.HashMap.get called from
org.jboss.mx.loading.UnifiedLoaderRepository2.loadClassFromCache
(full stack below)
Have increased logging is the last message is :
2006-04-25 14:58:13,971 DEBUG [org.jboss.system.ServiceCreator] About to create
bean:XXX
2006-04-25 14:58:13,971 DEBUG [org.jboss.system.ServiceCreator] code: xxx
The actual bean can name can vary which makes it more annoying.
I cannot find anything on on this so grateful of any ideas..additional
troubleshooting that could be done to get bottom
of this.
thanks harry
Java Dump:
"main" prio=5 tid=0x000000010046b270 nid=0x11 runnable
[fffffffe871f5000..fffffffe871ff8b0]
at java.util.HashMap.get(HashMap.java:325)
at
org.jboss.mx.loading.UnifiedLoaderRepository2.loadClassFromCache(UnifiedLoaderRepository2.java:208)
at
org.jboss.mx.loading.UnifiedLoaderRepository2.loadClass(UnifiedLoaderRepository2.java:137)
at
org.jboss.mx.loading.UnifiedClassLoader.loadClass(UnifiedClassLoader.java:283)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
- locked <0xfffffffe923bb2f8> (a org.jboss.mx.loading.UnifiedClassLoader)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at
org.jboss.mx.loading.UnifiedClassLoader.findClass(UnifiedClassLoader.java:226)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
- locked <0xfffffffe923bb2f8> (a org.jboss.mx.loading.UnifiedClassLoader)
at
org.jboss.mx.loading.UnifiedClassLoader.loadClassLocally(UnifiedClassLoader.java:234)
at
org.jboss.mx.loading.UnifiedLoaderRepository2.loadClassFromClassLoader(UnifiedLoaderRepository2.java:234)
at
org.jboss.mx.loading.UnifiedLoaderRepository2.loadClass(UnifiedLoaderRepository2.java:143)
at
org.jboss.mx.loading.UnifiedClassLoader.loadClass(UnifiedClassLoader.java:283)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
- locked <0xfffffffe923bb2f8> (a org.jboss.mx.loading.UnifiedClassLoader)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:1655)
at java.lang.Class.privateGetPublicMethods(Class.java:1778)
at java.lang.Class.getMethods(Class.java:832)
at
org.jboss.verifier.strategy.AbstractVerifier.hasEJBCreateMethod(AbstractVerifier.java:643)
at
org.jboss.verifier.strategy.EJBVerifier20.verifySessionBean(EJBVerifier20.java:963)
at
org.jboss.verifier.strategy.EJBVerifier20.checkSession(EJBVerifier20.java:90)
at org.jboss.verifier.BeanVerifier.verify(BeanVerifier.java:133)
at org.jboss.ejb.EJBDeployer.create(EJBDeployer.java:343)
- locked <0xfffffffe948badb8> (a org.jboss.ejb.EJBDeployer)
at org.jboss.deployment.MainDeployer.create(MainDeployer.java:755)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:615)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:580)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:517)
at org.jboss.util.jmx.MBeanProxy.invoke(MBeanProxy.java:174)
at $Proxy4.deploy(Unknown Source)
at
org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:427)
at
org.jboss.deployment.scanner.URLDeploymentScanner.scanDirectory(URLDeploymentScanner.java:648)
at
org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:499)
- locked <0xfffffffe9497b408> (a
java.util.Collections$SynchronizedRandomAccessList)
- locked <0xfffffffe94971f90> (a
org.jboss.deployment.scanner.URLDeploymentScanner)
at
org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:261)
at
org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:164)
at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:517)
at
org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:976)
at $Proxy0.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:397)
- locked <0xfffffffe904fbb88> (a org.jboss.system.ServiceController)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:517)
at org.jboss.util.jmx.MBeanProxy.invoke(MBeanProxy.java:174)
at $Proxy3.start(Unknown Source)
at org.jboss.deployment.SARDeployer.start(SARDeployer.java:249)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:802)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:616)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:580)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:564)
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:324)
at
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:517)
at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:324)
at org.jboss.system.server.ServerImpl.start(ServerImpl.java:221)
at org.jboss.Main.boot(Main.java:148)
at org.jboss.Main$1.run(Main.java:381)
at java.lang.Thread.run(Thread.java:534)
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