tomcat 报错，请帮忙看一下

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[ERROR]http-8081-8-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-8-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-8-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-8-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-2-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-2-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-11-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-11-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-8-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-8-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)
[ERROR]http-8081-19-org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/x3].[HessianServlet]-Servlet.service() for servlet HessianServlet threw exception
com.caucho.hessian.io.HessianProtocolException: expected hessian call ('c') at code=60 ch=<
        at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1642)
        at com.caucho.hessian.io.HessianInput.readCall(HessianInput.java:181)
        at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:101)
        at com.justep.hessian.HessianServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:831)
        at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:652)
        at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1203)
        at java.lang.Thread.run(Thread.java:595)