weblogic报错，服务老挂起?报错

linux6.5系统部署的weblogic10.3，jdk为1.6版本，原系统部署在AIX5.2系统中，weblogic8.1版本，迁移过来后用户访问量一多或者时间一长就发生报错，导致服务挂起，大约一月出现一次。

<Warning> <Socket> <xxx> <AdminServer> <[ACTIVE] ExecuteThread: '73' for queue: 'weblogic.kernel.Default (self-tuning)'> <<
WLS Kernel>> <> <> <1471224233112> <BEA-000449> <Closing socket as no data read from it on 10.15.xx:x4,032 during the configured idle timeout of 5 secs> 
####<2016-8-15 上午09时25分48秒 CST> <Error> <HTTP> <it0pxxta01> <AdminServer> <[ACTIVE] ExecuteThread: '121' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS
 Kernel>> <> <> <1471224348629> <BEA-101020> <[ServletContext@569258995[app:xx module:xx path:/xx spec-version:null]] Servlet failed with Ex
ception
java.lang.ClassCastException: java.net.SocketException cannot be cast to java.lang.String
        at jsp_servlet._jsp.__failure._jspService(__failure.java:107)
        at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at ljwf.ctr.XSSFilter.doFilter(XSSFilter.java:24)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:527)
        at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:253)
        at ljwf.ctr.CntrSvt.perform(CntrSvt.java:94)
        at ljwf.ctr.CntrSvt.doGet(CntrSvt.java:26)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at ljwf.ctr.XSSFilter.doFilter(XSSFilter.java:24)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
        at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
        at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
        at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
        at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
> 
####<2016-8-15 上午09时45分36秒 CST> <Error> <HTTP> <it0pxxta01> <AdminServer> <[ACTIVE] ExecuteThread: '42' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS 
Kernel>> <> <> <1471225536297> <BEA-101020> <[ServletContext@569258995[app:xx module:xx path:/xx spec-version:null]] Servlet failed with Exc
eption
java.lang.ClassCastException: java.net.SocketException cannot be cast to java.lang.String
        at jsp_servlet._jsp.__failure._jspService(__failure.java:107)
        at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at ljwf.ctr.XSSFilter.doFilter(XSSFilter.java:24)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:527)
        at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:253)
        at ljwf.ctr.CntrSvt.perform(CntrSvt.java:94)
        at ljwf.ctr.CntrSvt.doPost(CntrSvt.java:32)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at ljwf.ctr.XSSFilter.doFilter(XSSFilter.java:24)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
        at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
        at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
        at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
        at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
> 
####<2016-8-15 上午09时46分39秒 CST> <Info> <HTTP> <xxxxx> <AdminServer> <[ACTIVE] ExecuteThread: '64' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS K
ernel>> <> <> <1471225599909> <BEA-101366> <The server could not send the HTTP message during the configured timeout value. The socket has been closed.> 
####<2016-8-15 上午09时46分39秒 CST> <Error> <HTTP> <it0pxxta01> <AdminServer> <[ACTIVE] ExecuteThread: '117' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS
 Kernel>> <> <> <1471225599912> <BEA-101020> <[ServletContext@569258995[app:kmelearning module:kmelearning path:/kmelearning spec-version:null]] Servlet failed with Ex
ception
java.lang.IllegalStateException: Cannot forward a response that is already committed
        at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:122)
        at ljwf.ctr.CntrSvt.perform(CntrSvt.java:94)
        at ljwf.ctr.CntrSvt.doGet(CntrSvt.java:26)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at ljwf.ctr.XSSFilter.doFilter(XSSFilter.java:24)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
        at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
        at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
        at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
        at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
> 
####<2016-8-15 上午09时48分35秒 CST> <Error> <HTTP> <xxx> <AdminServer> <[ACTIVE] ExecuteThread: '72' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS 
Kernel>> <> <> <1471225715516> <BEA-101020> <[ServletContext@569258995[app:xxg module:xxpath:/xx spec-version:null]] Servlet failed with Exc
eption
java.lang.IllegalStateException: Cannot forward a response that is already committed
        at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:122)
        at ljwf.ctr.CntrSvt.perform(CntrSvt.java:94)
        at ljwf.ctr.CntrSvt.doGet(CntrSvt.java:26)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at ljwf.ctr.XSSFilter.doFilter(XSSFilter.java:24)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
        at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
        at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
        at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
        at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)