java导出word时报错!!!

org.apache.catalina.core.StandardWrapperValve invoke
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2441)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2430)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

麻烦解答一下,谢谢!

感觉可能是导出word的时候哪个地方null没取到值,报的错误可以贴的具体一点

是否有Case By信息 ,报的错误可以贴的具体一点

你只是把tomcat的日志贴出来了,没贴全啊,你把你servlet代码的异常栈也贴出来啊,具体报错是来之业务处理servlet,你却没贴

你没有把问题的关键信息贴出来,要是谁能根据这就能看出是什么问题,那一定是天才