weblogic 部署出错

Question

weblogic.management.DeploymentException: 
Exception:weblogic.management.ApplicationException: start() failed.
Module: bbs2 Error: weblogic.management.DeploymentException - with nested exception: 
[java.lang.NullPointerException]at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.doCommit(SlaveDeployer.java:2440) 
at weblogic.management.deploy.slave.SlaveDeployer$Task.commit(SlaveDeployer.java:2155) 
at weblogic.management.deploy.slave.SlaveDeployer$Task.checkAutoCommit(SlaveDeployer.java:2254) 
at weblogic.management.deploy.slave.SlaveDeployer$Task.prepare(SlaveDeployer.java:2149) 
at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2401) 
at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:883) 
at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:591) 
at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:500) 
at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:25) 
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224) 
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183) 
无异常消息 
以上是详细信息程序在websphere tomcat上部署运行都没有问题  请问怎么处理