一段很长的报文错误

<2010-8-10 下午05时12分55秒 CST> <Error> <HTTP> <BEA-101017> <[ServletContext(id
=26707473,name=web,context-path=/web)] Root cause of ServletException.
com.caucho.burlap.io.BurlapProtocolException: expected '<' at end of file
        at com.caucho.burlap.io.BurlapInput.error(BurlapInput.java:1657)
        at com.caucho.burlap.io.BurlapInput.expectedChar(BurlapInput.java:1645)
        at com.caucho.burlap.io.BurlapInput.parseTag(BurlapInput.java:1545)
        at com.caucho.burlap.io.BurlapInput.readType(BurlapInput.java:1158)
        at com.caucho.burlap.io.BurlapInput.readObject(BurlapInput.java:992)
        at com.caucho.hessian.io.MapDeserializer.readMap(MapDeserializer.java)
        at com.caucho.burlap.io.BurlapInput.readObject(BurlapInput.java:1004)
        at com.caucho.hessian.io.CollectionDeserializer.readList(CollectionDeser
ializer.java)
        at com.caucho.burlap.io.BurlapInput.readObject(BurlapInput.java:884)
        at com.caucho.burlap.server.BurlapSkeleton.invoke(BurlapSkeleton.java:14
2)
        at gov.mof.framework.bpo.BurlapServiceExporterEx.handleRequest(ServiceEx
porter.java:456)
        at gov.mof.framework.bpo.ServiceExporter.handleRequest(ServiceExporter.j
ava:119)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.ha
ndle(SimpleControllerHandlerAdapter.java:44)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(Dispatch
erServlet.java:723)
        at org.springframework.web.servlet.DispatcherServlet.doService(Dispatche
rServlet.java:663)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(Frame
workServlet.java:394)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServ
let.java:358)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:1006)
        at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:419)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.ja
va:27)
        at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F
ilterChainProxy.java:264)
        at gov.mof.fasp.sec.bpo.UserCleanUpInterceptor.doFilter(UserCleanUpInter
ceptor.java:36)
        at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F
ilterChainProxy.java:274)
        at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFil
ter(AnonymousProcessingFilter.java:125)
        at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F
ilterChainProxy.java:274)
        at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(Filt
erSecurityInterceptor.java:107)
        at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(Fi
lterSecurityInterceptor.java:72)
        at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F
ilterChainProxy.java:274)
        at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilte
r(HttpSessionContextIntegrationFilter.java:191)
        at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(F
ilterChainProxy.java:274)
        at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.jav
a:148)
        at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.j
ava:90)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.ja
va:27)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6724)
        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
121)
        at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3764)
        at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2644)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
>
大致是哪个方向的错误呢？