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http://issues.apache.org/bugzilla/show_bug.cgi?id=42585 Summary: SocketNode can leak Sockets Product: Log4j Version: unspecified Platform: Other OS/Version: Linux Status: NEW Severity: major Priority: P2 Component: Other AssignedTo: [email protected] ReportedBy: [EMAIL PROTECTED] We had an issue when the SocketNode thread died with an OOM exception. The socket is not closed in this case. The sending SocketAppender doesn't notice and blocks indefinitely in SocketOutputStream.write. Due to the locks held on the appender this causes the whole application to block. One solution should be to close the the socket in a finally block. Of course we are also adding size checks to the problematic log statement plus increasing the heap size of the logserver. "Dispatcher-Thread-3" daemon prio=1 tid=0x5b6b6120 nid=0x6c8e runnable [0x5b16f000..0x5b16f770] at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92) at java.net.SocketOutputStream.write(SocketOutputStream.java:136) at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1682) at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1591) at java.io.ObjectOutputStream.writeNonProxyDesc(ObjectOutputStream.java:1173) at java.io.ObjectOutputStream.writeClassDesc(ObjectOutputStream.java:1127) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302) at org.apache.log4j.net.SocketAppender.append(SocketAppender.java:224) at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221) - locked <0x66a9c690> (a org.apache.log4j.net.SocketAppender) at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:57) at org.apache.log4j.Dispatcher.run(AsyncAppender.java:310) - locked <0x66a9a060> (a org.apache.log4j.helpers.AppenderAttachableImpl) -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
