I launched a swarm agent and attempted to run a job which involves an RTC source extraction step. The same job runs okay on the master as well as the ssh/dumb slaves, but fails due to a log library conflict on the swarm node.

Stack trace follows:

RTC : checkout...
FATAL: RTC : checkout failure: null
java.lang.ExceptionInInitializerError
at java.lang.J9VMInternals.ensureError(J9VMInternals.java:186)
at java.lang.J9VMInternals.recordInitializationFailure(J9VMInternals.java:175)
at com.ibm.team.repository.client.TeamPlatform.startup(TeamPlatform.java:49)
at com.ibm.team.build.internal.hjplugin.rtc.BuildClient.<clinit>(BuildClient.java:39)
at com.ibm.team.build.internal.hjplugin.rtc.RTCFacade.getBuildClient(RTCFacade.java:51)
at com.ibm.team.build.internal.hjplugin.rtc.RTCFacade.checkout(RTCFacade.java:384)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:95)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:56)
at java.lang.reflect.Method.invoke(Method.java:620)
at com.ibm.team.build.internal.hjplugin.RTCFacadeFactory$RTCFacadeWrapper.invoke(RTCFacadeFactory.java:115)
at com.ibm.team.build.internal.hjplugin.RTCCheckoutTask.invoke(RTCCheckoutTask.java:166)
at com.ibm.team.build.internal.hjplugin.RTCCheckoutTask.invoke(RTCCheckoutTask.java:32)
at hudson.FilePath$FileCallableWrapper.call(FilePath.java:2577)
at hudson.remoting.UserRequest.perform(UserRequest.java:121)
at hudson.remoting.UserRequest.perform(UserRequest.java:49)
at hudson.remoting.Request$2.run(Request.java:324)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
at java.util.concurrent.FutureTask.run(FutureTask.java:274)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1177)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
at hudson.remoting.Engine$1$1.run(Engine.java:63)
at java.lang.Thread.run(Thread.java:857)
Caused by: org.apache.commons.logging.LogConfigurationException: org.apache.commons.logging.LogConfigurationException: No suitable Log constructor [Ljava.lang.Class;@52df4f0b for org.apache.commons.logging.impl.Log4JLogger (Caused by java.lang.NoClassDefFoundError: org.apache.log4j.Category) (Caused by org.apache.commons.logging.LogConfigurationException: No suitable Log constructor [Ljava.lang.Class;@52df4f0b for org.apache.commons.logging.impl.Log4JLogger (Caused by java.lang.NoClassDefFoundError: org.apache.log4j.Category))
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351)
at com.ibm.team.repository.common.internal.util.InternalTeamPlatform.<clinit>(InternalTeamPlatform.java:42)
... 21 more
Caused by: org.apache.commons.logging.LogConfigurationException: No suitable Log constructor [Ljava.lang.Class;@52df4f0b for org.apache.commons.logging.impl.Log4JLogger (Caused by java.lang.NoClassDefFoundError: org.apache.log4j.Category)
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:413)
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
... 25 more
Caused by: java.lang.NoClassDefFoundError: org.apache.log4j.Category
at java.lang.J9VMInternals.prepareClassImpl(Native Method)
at java.lang.J9VMInternals.prepare(J9VMInternals.java:450)
at java.lang.Class.getConstructor(Class.java:435)
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:410)
... 26 more
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Category
at java.net.URLClassLoader.findClass(URLClassLoader.java:666)
at java.lang.ClassLoader.loadClassHelper(ClassLoader.java:942)
at java.lang.ClassLoader.loadClass(ClassLoader.java:869)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:336)
at java.lang.ClassLoader.loadClass(ClassLoader.java:847)
... 30 more