OutOfMemoryError is raised when runtime.getCurrentContext() and
runtime.tearDown() are invoked many times
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Key: JRUBY-4338
URL: http://jira.codehaus.org/browse/JRUBY-4338
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.5
Reporter: Yoko Harada
Attachments: ManyEvals.java, threadservice.patch
When runtime.getCurrentContext() and runtime.tearDown() are invoked many times,
JRuby raises exception:
{noformat}
java.lang.OutOfMemoryError: Java heap space
at java.util.WeakHashMap.resize(WeakHashMap.java:436)
at java.util.WeakHashMap.put(WeakHashMap.java:410)
at java.util.Collections$SynchronizedMap.put(Collections.java:1983)
at
org.jruby.internal.runtime.ThreadService.registerNewThread(ThreadService.java:194)
at org.jruby.RubyThread.adoptThread(RubyThread.java:226)
at org.jruby.RubyThread.adopt(RubyThread.java:218)
at
org.jruby.internal.runtime.ThreadService.adoptCurrentThread(ThreadService.java:134)
at
org.jruby.internal.runtime.ThreadService.getCurrentContext(ThreadService.java:116)
at org.jruby.Ruby.getCurrentContext(Ruby.java:2221)
at
org.jruby.embed.internal.EmbedRubyRuntimeAdapterImpl.getManyVarsDynamicScope(EmbedRubyRuntimeAdapterImpl.java:211)
at
org.jruby.embed.internal.EmbedRubyRuntimeAdapterImpl.runParser(EmbedRubyRuntimeAdapterImpl.java:170)
at
org.jruby.embed.internal.EmbedRubyRuntimeAdapterImpl.parse(EmbedRubyRuntimeAdapterImpl.java:91)
at org.jruby.embed.ScriptingContainer.parse(ScriptingContainer.java:411)
at
org.jruby.embed.ScriptingContainer.runScriptlet(ScriptingContainer.java:471)
at vanilla.ManyEvals.<init>(ManyEvals.java:14)
at vanilla.ManyEvals.main(ManyEvals.java:19)
{noformat}
Since ThreadService#disposeCurrentThread() method doesn't remove any thread
from threadContextMap, the map grows larger and larger to cause the exception.
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