weblogic HTTP tunneling问题

 weblogic 9.2.3
 JDK 1.5.0_22

AdminServer的日志一直在刷如下信息：

<2012-10-26 下午02时42分00秒 CST> <Info> <ServletContext-/bea_wls_internal> <ETL> <custv_admin> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'> <<anonymous>> <> <> <1351233720251> <000000> <HTTPClntLogin: Login rejected with code: 'Failed', reason: java.net.ProtocolException: HTTP tunneling is disabled

        at weblogic.rjvm.http.HTTPServerJVMConnection.acceptJVMConnection(HTTPServerJVMConnection.java:88)

        at weblogic.rjvm.http.TunnelLoginServlet.service(TunnelLoginServlet.java:80)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

        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:283)

        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)

        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3244)

        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)

        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)

        at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2010)

        at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1916)

        at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1366)

        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)

        at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)

'>

处理方法：
1) Use t3 protocol instead of HTTP in admin server URL of the managed server startup script.
OR
2) Enable HTTP tunneling in admin server. 

Environment-->Servers-->adminServ-->Protocols-->Enable Tunneling打勾
OR
3) patch CR314705.
There was a fix for similar issue via CR314705.
BEA Bug  http://forums.oracle.com/forums/thread.jspa?threadID=692983&start=0&tstart=0