web.xml详解

• 问题场景

　　最近项目在发布的时候出现了一个莫名其妙的错误：在websphere8.5上面可以部署但是不能正常访问，但是在tomcat和websphere7.0上面却可以正常部署访问。所报错误如下：

 1 [16-1-12 9:44:59:706 CST] 000000b2 LocalTranCoor E  WLTC0017E: 资源回滚，因为调用 setRollbackOnly()。 2 [16-1-12 9:44:59:706 CST] 000000b2 webapp    E com.ibm.ws.webcontainer.webapp.WebApp logServletError SRVE0293E: [Servlet 错误]-[GenericServletWrapper]: java.lang.NullPointerException 3   at com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterChainContents(WebAppFilterManager.java:736) 4   at com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterChain(WebAppFilterManager.java:367) 5   at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:892) 6   at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1025) 7   at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3761) 8   at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304) 9   at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:976)10   at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)11   at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)12   at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:459)13   at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:526)14   at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:312)15   at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:283)16   at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)17   at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)18   at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)19   at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)20   at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)21   at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)22   at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)23   at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)24   at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)25   at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1862)

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原标题：web.xml详解

关键词：xml