我正在Tomcat 6.0.33上使用Spring 3.0.6，JSF 2.0.6，Hibernate 3.6.8，JSTL 1.1，Primefaces 3.0.M4开发一个应用程序，如果从我的计算机上使用它就可以正常工作。当我尝试从网络（使用IP）访问它时，error 404中的OncePerRequestFilter just supports HTTP requests或异常view以及log中的以下错误：
Nov 18, 2011 3:42:03 PM org.apache.catalina.connector.CoyoteAdapter service
SEVERE: An exception or error occurred in the container during the request processing
java.lang.NullPointerException
at org.apache.tomcat.util.http.MimeHeaders.setValue(MimeHeaders.java:267)
at org.apache.coyote.Response.setHeader(Response.java:330)
at org.apache.catalina.connector.Response.setHeader(Response.java:1406)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:485)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at com.googlecode.psiprobe.Tomcat60AgentValve.invoke(Tomcat60AgentValve.java:30)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:291)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Nov 18, 2011 3:42:03 PM org.apache.coyote.http11.Http11Processor process
SEVERE: Error finishing response
java.lang.NullPointerException
at org.apache.tomcat.util.http.MimeHeaders.setValue(MimeHeaders.java:267)
at org.apache.coyote.http11.Http11Processor.prepareResponse(Http11Processor.java:1606)
at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:956)
at org.apache.coyote.Response.action(Response.java:181)
at org.apache.coyote.http11.InternalOutputBuffer.endRequest(InternalOutputBuffer.java:398)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:901)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Nov 18, 2011 3:42:03 PM org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler process
SEVERE: Error reading request, ignored
java.lang.NullPointerException
at org.apache.tomcat.util.http.MimeHeaders.clear(MimeHeaders.java:130)
at org.apache.coyote.Response.recycle(Response.java:579)
at org.apache.coyote.http11.InternalOutputBuffer.nextRequest(InternalOutputBuffer.java:368)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:923)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Nov 18, 2011 3:42:11 PM org.apache.catalina.connector.CoyoteAdapter service
SEVERE: An exception or error occurred in the container during the request processing
java.lang.NullPointerException
at org.apache.tomcat.util.http.MimeHeaders.setValue(MimeHeaders.java:267)
at org.apache.coyote.http11.Http11Processor.prepareResponse(Http11Processor.java:1558)
at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:956)
at org.apache.coyote.Response.action(Response.java:183)
at org.apache.coyote.Response.sendHeaders(Response.java:379)
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:314)
at org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:274)
at org.apache.catalina.connector.Response.finishResponse(Response.java:493)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:315)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Nov 18, 2011 3:42:11 PM org.apache.coyote.http11.Http11Processor process
SEVERE: Error finishing response
java.lang.NullPointerException
at org.apache.tomcat.util.http.MimeHeaders.setValue(MimeHeaders.java:267)
at org.apache.coyote.http11.Http11Processor.prepareResponse(Http11Processor.java:1558)
at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:956)
at org.apache.coyote.Response.action(Response.java:181)
at org.apache.coyote.http11.InternalOutputBuffer.endRequest(InternalOutputBuffer.java:398)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:901)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Nov 18, 2011 3:42:11 PM org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler process
SEVERE: Error reading request, ignored
java.lang.NullPointerException
at org.apache.tomcat.util.http.MimeHeaders.clear(MimeHeaders.java:130)
at org.apache.coyote.Response.recycle(Response.java:579)
at org.apache.coyote.http11.InternalOutputBuffer.nextRequest(InternalOutputBuffer.java:368)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:923)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Nov 18, 2011 3:42:33 PM org.apache.catalina.connector.CoyoteAdapter service
SEVERE: An exception or error occurred in the container during the request processing
java.lang.NullPointerException
at org.apache.tomcat.util.http.MimeHeaders.setValue(MimeHeaders.java:267)
at org.apache.coyote.Response.setHeader(Response.java:330)
at org.apache.catalina.connector.Response.setHeader(Response.java:1406)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:485)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at com.googlecode.psiprobe.Tomcat60AgentValve.invoke(Tomcat60AgentValve.java:30)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:291)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Nov 18, 2011 3:42:33 PM org.apache.coyote.http11.Http11Processor process
SEVERE: Error finishing response
java.lang.NullPointerException
at org.apache.tomcat.util.http.MimeHeaders.setValue(MimeHeaders.java:267)
at org.apache.coyote.http11.Http11Processor.prepareResponse(Http11Processor.java:1606)
at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:956)
at org.apache.coyote.Response.action(Response.java:181)
at org.apache.coyote.http11.InternalOutputBuffer.endRequest(InternalOutputBuffer.java:398)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:901)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Nov 18, 2011 3:42:33 PM org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler process
SEVERE: Error reading request, ignored
java.lang.NullPointerException
at org.apache.tomcat.util.http.MimeHeaders.clear(MimeHeaders.java:130)
at org.apache.coyote.Response.recycle(Response.java:579)
at org.apache.coyote.http11.InternalOutputBuffer.nextRequest(InternalOutputBuffer.java:368)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:923)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
我的类路径是否有任何不匹配（由于我使用的框架）？