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如何在Tomcat 7.0.30服务器中部署guvnor.war(版本5.4.0.Final)？它给我以下错误:

类型:异常报告

信息

说明:服务器遇到内部错误,导致无法完成此请求.

例外

java.lang.NullPointerException
  org.jboss.seam.transaction.TransactionServletListener.requestInitialized(TransactionServletListener.java:106)
  org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
  org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
  org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
  org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1002)
  org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
  org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  java.lang.Thread.run(Thread.java:722)

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注意Apache Tomcat/7.0.30日志中提供了根本原因的完整堆栈跟踪.