[jboss-user] [jBPM] - Re: Console + Designer = jboss OutOfMemoryError: GC overhead limit exceeded

[Renzo Tomaselli]

Renzo Tomaselli [http://community.jboss.org/people/Tomarenz] created the discussion

"Re: Console + Designer = jboss OutOfMemoryError: GC overhead limit exceeded"

To view the discussion, visit: http://community.jboss.org/message/620443#620443

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In the mean time I requested a memory dump on OutOfMemory conditions, then I loaded the resulting file into Eclipse Memory Analyzer Tool.
One evident result is a suspected leak as:

598 instances of *"org.jboss.virtual.plugins.context.zip.ZipEntryContext"*, loaded by *"org.jboss.bootstrap.NoAnnotationURLClassLoader @ 0x1774ed68"* occupy *152.700.536 (37,01%)* bytes. 

*Keywords*
org.jboss.bootstrap.NoAnnotationURLClassLoader @ 0x1774ed68
org.jboss.virtual.plugins.context.zip.ZipEntryContext

ZipEntryContext - whatever it is - appears in error logs, such as:

java.lang.OutOfMemoryError: GC overhead limit exceeded
    at java.util.zip.InflaterInputStream.<init>(InflaterInputStream.java:71)
    at java.util.zip.ZipFile$1.<init>(ZipFile.java:212)
    at java.util.zip.ZipFile.getInputStream(ZipFile.java:212)
    at java.util.zip.ZipFile.getInputStream(ZipFile.java:180)
    at org.jboss.virtual.plugins.context.zip.ZipFileWrapper.openStream(ZipFileWrapper.java:214)
    at org.jboss.virtual.plugins.context.zip.ZipEntryContext.openStream(ZipEntryContext.java:1082)
    at org.jboss.virtual.plugins.context.zip.ZipEntryHandler.openStream(ZipEntryHandler.java:153)
    at org.jboss.virtual.VirtualFile.openStream(VirtualFile.java:230)
    at org.jboss.classloading.spi.vfs.policy.VFSClassLoaderPolicy.getResourceAsStream(VFSClassLoaderPolicy.java:483)
    at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.java:534)
    at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.java:532)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseClassLoader.java:530)
    at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseClassLoader.java:507)
    at org.jboss.classloader.spi.base.BaseDelegateLoader.loadClass(BaseDelegateLoader.java:134)
    at org.jboss.classloader.spi.filter.FilteredDelegateLoader.loadClass(FilteredDelegateLoader.java:131)
    at org.jboss.classloader.spi.base.ClassLoadingTask$ThreadTask.run(ClassLoadingTask.java:452)
    at org.jboss.classloader.spi.base.ClassLoaderManager.nextTask(ClassLoaderManager.java:251)
    at org.jboss.classloader.spi.base.ClassLoaderManager.process(ClassLoaderManager.java:150)
    at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:265)
    at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:1119)
    at org.jboss.classloader.spi.base.BaseClassLoader.loadClassFromDomain(BaseClassLoader.java:798)
    at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:441)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at org.eclipse.jdt.internal.compiler.Compiler.initializeParser(Compiler.java:681)
    at org.eclipse.jdt.internal.compiler.Compiler.<init>(Compiler.java:282)
    at org.eclipse.jdt.internal.compiler.Compiler.<init>(Compiler.java:158)
    at org.drools.commons.jci.compilers.EclipseJavaCompiler.compile(EclipseJavaCompiler.java:362)
    at org.drools.commons.jci.compilers.AbstractJavaCompiler.compile(AbstractJavaCompiler.java:49)
    at org.drools.rule.builder.dialect.java.JavaDialect.compileAll(JavaDialect.java:368)
    at org.drools.compiler.DialectCompiletimeRegistry.compileAll(DialectCompiletimeRegistry.java:53)
    at org.drools.compiler.PackageRegistry.compileAll(PackageRegistry.java:70)

or:

Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
    at java.util.Arrays.copyOf(Arrays.java:2882)
    at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
    at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390)
    at java.lang.StringBuilder.append(StringBuilder.java:119)
    at org.jboss.virtual.plugins.context.zip.ZipEntryContext.getChild(ZipEntryContext.java:823)
    at org.jboss.virtual.plugins.context.zip.ZipEntryHandler.createChildHandler(ZipEntryHandler.java:191)
    at org.jboss.virtual.plugins.context.AbstractVirtualFileHandler.structuredFindChild(AbstractVirtualFileHandler.java:684)
    at org.jboss.virtual.plugins.context.zip.ZipEntryHandler.getChild(ZipEntryHandler.java:165)
    at org.jboss.virtual.plugins.context.DelegatingHandler.getChild(DelegatingHandler.java:107)
    at org.jboss.virtual.VirtualFile.getChild(VirtualFile.java:481)
    at org.jboss.classloading.spi.vfs.policy.VFSClassLoaderPolicy.getResources(VFSClassLoaderPolicy.java:524)
    at org.jboss.classloader.spi.base.BaseClassLoader$4.run(BaseClassLoader.java:691)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.jboss.classloader.spi.base.BaseClassLoader.getResourcesLocally(BaseClassLoader.java:687)
    at org.jboss.classloader.spi.base.BaseClassLoader.getResourcesLocally(BaseClassLoader.java:668)
    at org.jboss.classloader.spi.base.BaseClassLoaderDomain.getResources(BaseClassLoaderDomain.java:505)
    at org.jboss.classloader.spi.base.BaseClassLoaderDomain.getResources(BaseClassLoaderDomain.java:1154)
    at org.jboss.classloader.spi.base.BaseClassLoader.loadResources(BaseClassLoader.java:495)
    at org.jboss.classloader.spi.base.BaseClassLoader.findResources(BaseClassLoader.java:481)
    at java.lang.ClassLoader.getResources(ClassLoader.java:1041)
    at java.lang.ClassLoader.getResources(ClassLoader.java:1037)
    at org.drools.util.CompositeClassLoader.getResources(CompositeClassLoader.java:148)
    at org.drools.util.ChainedProperties.getResources(ChainedProperties.java:144)
    at org.drools.util.ChainedProperties.<init>(ChainedProperties.java:90)
    at org.drools.RuleBaseConfiguration.init(RuleBaseConfiguration.java:392)
    at org.drools.RuleBaseConfiguration.<init>(RuleBaseConfiguration.java:244)
    at org.drools.common.AbstractRuleBase.<init>(AbstractRuleBase.java:146)
    at org.drools.reteoo.ReteooRuleBase.<init>(ReteooRuleBase.java:143)
    at org.drools.reteoo.ReteooRuleBase.<init>(ReteooRuleBase.java:120)
    at org.drools.RuleBaseFactory.newRuleBase(RuleBaseFactory.java:86)
    at org.drools.RuleBaseFactory.newRuleBase(RuleBaseFactory.java:74)
    at org.drools.RuleBaseFactory.newRuleBase(RuleBaseFactory.java:37)
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