求助。weblogic的错误

[我不够好i]

GET /ptl HTTP/1.1
Accept: */*
Accept-Charset: GB2312,utf-8;q=0.7,*;q=0.7
Accept-Language: zh-cn, zh
User-Agent: Mozilla/4.0
Connection: close

]", which is more than the configured time (StuckThreadMaxTime) of "1,600" seconds. Stack trace:
Thread-3653 "[STUCK] ExecuteThread: '21' for queue: 'weblogic.kernel.Default (self-tuning)'" <alive, in native, suspended, priority=1, DAEMON> {
java.io.UnixFileSystem.getBooleanAttributes0(UnixFileSystem.java:???)
java.io.UnixFileSystem.getBooleanAttributes(UnixFileSystem.java:228)
java.io.File.isDirectory(File.java:750)
weblogic.utils.jars.VirtualJarFactory.createVirtualJar(VirtualJarFactory.java:23)
weblogic.application.SingleModuleFileManager.getVirtualJarFile(SingleModuleFileManager.java:38)
weblogic.application.SingleModuleFileManager.getVirtualJarFile(SingleModuleFileManager.java:44)
weblogic.servlet.internal.WebAppServletContext.getRealPath(WebAppServletContext.java:726)
weblogic.servlet.internal.ServletRequestImpl.getRealPath(ServletRequestImpl.java:611)
ci.servlet.ServletSg.doSiteGroupDispatcher(ServletSg.java:82)
ci.servlet.ServletSg.doGet(ServletSg.java:52)
javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:183)
weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:517)
weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:112)
ci.servlet.ServletSg.doSiteGroupDispatcher(ServletSg.java:82)
ci.servlet.ServletSg.doGet(ServletSg.java:52)
javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:183)
weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:517)
weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:112)
ci.servlet.ServletSg.doSiteGroupDispatcher(ServletSg.java:82)
ci.servlet.ServletSg.doGet(ServletSg.java:52)
javax.servlet.http.HttpServlet.service(HttpServlet.java:700)
javax.servlet.http.HttpServlet.service(HttpServlet.java:815)
weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:224)
weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:108)
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:206)
weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:183)
weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:517)
weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:112)
ci.servlet.ServletSg.doSiteGroupDispatcher(ServletSg.java:82)
ci.servlet.ServletSg.doGet(ServletSg.java:52)

[我不够好i]

ServletSg类中的82行代码 String serverName = request.getServerName().toLowerCase(); 52行代码则是调用doSiteGroupDispatcher（）方法