SocketTimeoutException in Weblogic Server

I have a webapp on WebLogic 8.1 SP1 and I get the following exception (Has anyone seen thsi before?):

Error 500--Internal Server Error

java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at weblogic.servlet.internal.PostInputStream.read(PostInputStream.java:170)
at weblogic.servlet.internal.ServletInputStreamImpl.read(ServletInputStreamImpl.java:180)
at weblogic.servlet.internal.ServletRequestImpl.mergePostParams(ServletRequestImpl.java:1257)
at weblogic.servlet.internal.ServletRequestImpl.parseQueryParams(ServletRequestImpl.java:1124)
at weblogic.servlet.internal.ServletRequestImpl.getParameter(ServletRequestImpl.java:1335)
at weblogic.servlet.internal.ServletRequestImpl.getParameter(ServletRequestImpl.java:1321)
at sfmsbr.login.ValidateUser.doPost(ValidateUser.java:111)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:971)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:402)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
--------------- nested within: ------------------
weblogic.utils.NestedRuntimeException: Cannot parse POST parameters of request: '/servlet/ValidateUser' - with nested exception:
[java.net.SocketTimeoutException: Read timed out]
at weblogic.servlet.internal.ServletRequestImpl.mergePostParams(ServletRequestImpl.java:1288)
at weblogic.servlet.internal.ServletRequestImpl.parseQueryParams(ServletRequestImpl.java:1124)
at weblogic.servlet.internal.ServletRequestImpl.getParameter(ServletRequestImpl.java:1335)
at weblogic.servlet.internal.ServletRequestImpl.getParameter(ServletRequestImpl.java:1321)
at sfmsbr.login.ValidateUser.doPost(ValidateUser.java:111)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:971)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:402)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6350)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3635)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2585)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)

Hi Dilip Kumar,

Recently I also encountered the problem.
May I know are you able to resolve the issue?
Thanks

Regards,
Zen