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 Ishee Priority: Critical 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: {noformat} 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) [...] {noformat} {noformat} 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) [...] {noformat} -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]