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Posted to dev@avalon.apache.org by bu...@apache.org on 2002/12/04 13:56:12 UTC
DO NOT REPLY [Bug 15060] New: -
deadlock in ResourceLimitingPool
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=15060
deadlock in ResourceLimitingPool
Summary: deadlock in ResourceLimitingPool
Product: Avalon
Version: unspecified
Platform: Sun
OS/Version: Solaris
Status: NEW
Severity: Normal
Priority: Other
Component: Excalibur
AssignedTo: avalon-dev@jakarta.apache.org
ReportedBy: harald-n@gmx.de
My application is running on a machine with 4 processors. After some hour my application don't work.
In the stack trace I found a deadlock.
Found one Java-level deadlock:
=============================
"default Worker #2":
waiting to lock monitor 0xd8618 (object 0xf1414bf0, a sun.misc.Launcher$ExtClassLoader),
which is held by "default Worker #63"
"default Worker #63":
waiting to lock monitor 0xd8ab0 (object 0xf1414528, a java.lang.Object),
which is held by "default Worker #2"
Java stack information for the threads listed above:
===================================================
"default Worker #2":
at java.lang.ClassLoader.loadClass(ClassLoader.java:288)
- waiting to lock <f1414bf0> (a sun.misc.Launcher$ExtClassLoader)
at java.lang.ClassLoader.loadClass(ClassLoader.java:292)
- locked <f14157a0> (a sun.misc.Launcher$AppClassLoader)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:265)
- locked <f14157a0> (a sun.misc.Launcher$AppClassLoader)
at java.lang.ClassLoader.loadClass(ClassLoader.java:292)
- locked <f14143e0> (a org.apache.avalon.phoenix.components.classloader.PolicyClassLoader)
at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
at javax.xml.parsers.FactoryFinder.newInstance(FactoryFinder.java:93)
:
:
at sun.reflect.GeneratedConstructorAccessor9.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at org.apache.avalon.excalibur.pool.DefaultObjectFactory.newInstance(DefaultObjectFactory.java:58)
at org.apache.avalon.excalibur.pool.ResourceLimitingPool.newPoolable(ResourceLimitingPool.java:631)
at org.apache.avalon.excalibur.pool.ResourceLimitingPool.get(ResourceLimitingPool.java:361)
- locked <f1414528> (a java.lang.Object)
:
:
- locked <f14142a8> (a de.denic.blocks.threadpool.DenicWorkerThread)
"default Worker #63":
at org.apache.avalon.excalibur.pool.ResourceLimitingPool.put(ResourceLimitingPool.java:400)
- waiting to lock <f1414528> (a java.lang.Object)
:
:
- locked <f1854268> (a de.denic.blocks.threadpool.DenicWorkerThread)
Found 1 deadlock.
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