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Hudson commented on ODE-943: ---------------------------- SUCCESS: Integrated in ODE-1.x #429 (See [https://builds.apache.org/job/ODE-1.x/429/]) Revert "ODE-943: fixing a scheduler bug. Thanks Waruna for the patch." (vanto: rev ffccd41af8fce424e4e914536a86ebcaeb4a2836) * scheduler-simple/src/main/java/org/apache/ode/scheduler/simple/SimpleScheduler.java > NoClassDefFoundError for org.apache.log4j.helpers.AbsoluteTimeDateFormat in > SimpleScheduler.doLoadImmediate() leads memory leak > ------------------------------------------------------------------------------------------------------------------------------- > > Key: ODE-943 > URL: https://issues.apache.org/jira/browse/ODE-943 > Project: ODE > Issue Type: Bug > Components: BPEL Runtime, JBI Integration > Affects Versions: 1.3.5, 1.4 > Environment: Ubuntu 11.04 64bit, Oracle JDK 1.6, Servicemix 4.3.0 > Reporter: Abdulkadir Yaman > Assignee: Tammo van Lessen > Fix For: 1.3.6, 1.4 > > > On a fresh installation of Servicemix 4.3.0 does not expose > org.apache.log4j.helpers by default although Pax logging bundle contains this > package. At line:707 of Ode_1.3.5 version and line:732 of trunk, > AbsoluteTimeDateFormat f = new AbsoluteTimeDateFormat(); line leads to > NoClassDefFoundError for org.apache.log4j.helpers.AbsoluteTimeDateFormat. As > this error is a subclass of throwable, it is not caught in catch() block. > This issue leads to huge memory leak under load as > _processedSinceLastLoadTask.clear(); line can not be reached ever, 1 million > requests will make your 1gb heap size drained and get your servicemix in a > fullgc cycles. > I worked around this issue by wrapping log4j jar into servicemix by karaf@ > osgi:install -s wrap:mvn:log4j/log4j/1.2.13 , and restarting whole system. > Also log4j dependencies are imported as resolution:optional in MANIFEST-MF in > ode-jbi bundle. > To reproduce; > 1 - reduce heap size in servicemix executable > 2 - add jvm option : -verbosegc to watch gc and fullgc cycles on karaf > console or -Xloggc:somefile.out for tailing a file for output > 3 - set KARAF_DEBUG=true in case you want to debug and see > _processedSinceLastLoadTask.size() shows increasing number of entries > 3 - download servicemix 4.3.0 from apache > 4 - in karaf console, features:install ode > 5 - deploy a simple bpel flow, features:install examples-ode-ping-pong > 6 - generate load either via JMeter or Soapui > 7 - take a heap dump either via jmap or via JConsole finding mbean > com.sun.management-->HotSpotDiagnostic--> operations --> > dumpHeap(heapdump.snapshot) , you can find dump file under $SMX_HOME > 8 - analyse it via yourkit profiler or jprofiler, whatever suits you, you > will see one object retain most of the memory, which is > org/apache/ode/scheduler/simple/SimpleScheduler on object explorer window. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira