java.lang.NoClassDefFoundError: org/apache/log4j/Priority

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Root Cause Analysis

  1. java.lang.NoClassDefFoundError

    org/apache/log4j/Priority

    at java.lang.Class.getDeclaredFields0()
  2. Java RT
    Class.getDeclaredFields
    1. java.lang.Class.getDeclaredFields0(Native Method)
    2. java.lang.Class.privateGetDeclaredFields(Class.java:1494)
    3. java.lang.Class.getDeclaredFields(Class.java:1073)
    3 frames
  3. weblogic.ejb20.deployer
    EJBModule.prepare
    1. weblogic.ejb20.deployer.EJBModule.disableImplClassLoader(EJBModule.java:1082)
    2. weblogic.ejb20.deployer.EJBModule.setupEJBToImplClassDependencies(EJBModule.java:982)
    3. weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:419)
    3 frames
  4. weblogic.j2ee
    J2EEApplicationContainer.prepare
    1. weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.java:2792)
    2. weblogic.j2ee.J2EEApplicationContainer.prepareModules(J2EEApplicationContainer.java:1478)
    3. weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1136)
    4. weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:975)
    4 frames
  5. weblogic.management.deploy
    SlaveDeployer.prepareDelta
    1. weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareContainer(SlaveDeployer.java:2571)
    2. weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(SlaveDeployer.java:2523)
    3. weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2453)
    4. weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:820)
    5. weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:536)
    5 frames