我们在由前端组成的七个群集服务器上运行CRM。我们还有另一个集群，Process Manager集群由另外两台机器组成。这两台计算机都正在运行weblogic 8.1 Windows安装，并且由于警告消息导致日志已满，因此这些服务器上的随机节点正在导致零空间问题。
从很久以来，对代码没有做任何更改。这里有什么问题？
####<12-Mar-2007 15:29:35 o'clock GMT> <Alert> <Log Management> <Server1> <scm1-04> <ExecuteThread: '4' for queue: 'weblogic.kernel.Default'> <<anonymous>> <> <BEA-170018> <The log file has been rotated to scm1-04.log17956. Log messages will continue to be logged in D:\logs\scm1-04.log.>
####<12-Mar-2007 15:29:35 o'clock GMT> <Warning> <EJB> <Server1> <scm1-04> <ExecuteThread: '4' for queue: 'weblogic.kernel.Default'> <<anonymous>> <> <BEA-010065> <MessageDrivenBean threw an Exception in onMessage(). The exception was:
java.lang.NoClassDefFoundError.
java.lang.NoClassDefFoundError
at com.clarify.procmgr.ejb.ProcessManagerMDB.onMessage(ProcessManagerMDB.java:58)
at weblogic.ejb20.internal.MDListener.execute(MDListener.java:370)
at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:262)
at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2678)
at weblogic.jms.client.JMSSession.execute(JMSSession.java:2598)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
>