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https://issues.apache.org/jira/browse/LANG-349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Yandell closed LANG-349.
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Resolution: Won't Fix
I'm going to mark this as a wontfix; please reopen if you think there's more to
do David, but it sounds like things are good.
> Deadlock using ReflectionToStringBuilder
> ----------------------------------------
>
> Key: LANG-349
> URL: https://issues.apache.org/jira/browse/LANG-349
> Project: Commons Lang
> Issue Type: Bug
> Affects Versions: 2.0
> Environment: java version "1.5.0_10"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_10-b03)
> Java HotSpot(TM) Server VM (build 1.5.0_10-b03, mixed mode)
> >uname -a
> Linux fwjsfimat04 2.4.21-32.EL #1 SMP Fri Apr 15 21:02:58 EDT 2005 x86_64
> x86_64 x86_64 GNU/Linux
> Reporter: David I.
> Priority: Critical
> Fix For: 2.4
>
>
> I used the ReflectionToStringBuilder on an object to output debugging
> messages to Log4j. If this object was picked up by two different threads and
> the toString() method was called at the same time in two different threads, a
> deadlock occurrs.
> Here is a stack trace from using jstack:
> Thread 1172: (state = BLOCKED)
> - java.util.Vector.hashCode() @bci=0, line=938 (Interpreted frame)
> - java.util.HashMap.containsKey(java.lang.Object) @bci=6, line=377 (Compiled
> frame)
> - org.apache.commons.lang.builder.ReflectionToStringBuilder.toString()
> @bci=50, line=522 (Compiled frame)
> -
> org.apache.commons.lang.builder.ReflectionToStringBuilder.toString(java.lang.Object,
> org.apache.commons.lang.builder.ToStringStyle, boolean, java.lang.Class)
> @bci=12, line=265 (Interpreted frame)
> -
> org.apache.commons.lang.builder.ReflectionToStringBuilder.toString(java.lang.Object,
> org.apache.commons.lang.builder.ToStringStyle) @bci=4, line=197 (Interpreted
> frame)
> -
> org.apache.commons.lang.builder.ToStringBuilder.reflectionToString(java.lang.Object,
> org.apache.commons.lang.builder.ToStringStyle) @bci=2, line=170 (Interpreted
> frame)
> [...]
> Thread 1191: (state = BLOCKED)
> - java.util.Vector.hashCode() @bci=0, line=938 (Interpreted frame)
> - java.util.HashMap.containsKey(java.lang.Object) @bci=6, line=377 (Compiled
> frame)
> - org.apache.commons.lang.builder.ReflectionToStringBuilder.toString()
> @bci=50, line=522 (Compiled frame)
> [...]
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