websphere6.1部署应用程序报错：内部服务器错误

在windows装的was6.1，先启动server,在吧应用程序部署进去，可是发现日志有错误，如下：

[16-5-25 11:51:03:621 CST] 00000044 WebContainer  E   SRVE0232E: 内部服务器错误。
异常消息：[java.lang.NullPointerException

        at com.ibm.ws.webcontainer.webapp.WebApp.isFiltersDefined(WebApp.java:3456)

        at com.ibm.ws.webcontainer.webapp.WebApp.invokeFilters(WebApp.java:3443)

        at com.ibm.ws.wswebcontainer.webapp.WebApp.invokeFilters(WebApp.java:358)

        at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3408)

        at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:267)

        at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811)

        at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1455)

        at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:115)

        at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:458)

        at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:387)

        at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:267)

        at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)

        at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)

        at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)

        at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)

        at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)

        at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)

        at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:195)

        at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:743)

        at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:873)

        at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1473)

]

详细日志看附件。请教一下这是怎么回事呢？刚刚重装的was6.1,以前装的was没发现这种问题啊？