https://issues.apache.org/bugzilla/show_bug.cgi?id=47740
Summary: log4j 1.2.15 deadlock RootAppender NDC
Product: Log4j
Version: 1.2
Platform: HP
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Other
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from [email protected] 2009-08-26 03:48:08 PDT ---
Created an attachment (id=24167)
thread dump
We were using log4j 1.2.8. We were getting deadlocks similar to following.
https://issues.apache.org/bugzilla/show_bug.cgi?id=38137 : Curt, we have also
experienced this exact problem in our production system...We are
currently using log4j 1.2.8...Please retry using log4j 1.2.15
Then we upgraded to log4j 1.2.15. But we still got following deadlock. Please
see attachment for more details.
"RMI TCP Connection(5392)-154.4.160.174" daemon prio=1 tid=0x0000002af80e9110
nid=0x1e26 waiting for monitor entry [0x0000000043182000..0x0000000043183bb0]
at java.util.Hashtable.get(Hashtable.java:335)
- waiting to lock <0x0000002aa16b5fb8> (a java.util.Hashtable)
at org.apache.log4j.NDC.getCurrentStack(NDC.java:135)
at org.apache.log4j.NDC.get(NDC.java:220)
at org.apache.log4j.spi.LoggingEvent.getNDC(LoggingEvent.java:303)
at org.apache.log4j.AsyncAppender.append(AsyncAppender.java:155)
at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
- locked <0x0000002aa16bf418> (a org.apache.log4j.AsyncAppender)
at
org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
at org.apache.log4j.Category.callAppenders(Category.java:206)
- locked <0x0000002aa16c6040> (a org.apache.log4j.spi.RootLogger)
at org.apache.log4j.Category.forcedLog(Category.java:391)
at org.apache.log4j.Category.info(Category.java:666)
at
com.abc.dataExtractor.SLMTDSLFDDataExtractor.extract(SLMTDSLFDDataExtractor.java:192)
at com.abc.pdfGenerator.PdfGeneratorImpl.start(PdfGeneratorImpl.java:379)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)
at sun.rmi.transport.Transport$1.run(Transport.java:153)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:149)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:466)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:707)
at java.lang.Thread.run(Thread.java:595)
--
Configure bugmail: https://issues.apache.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
