Re: Jacorb corbaloc call hangs when using Unlimited Strength JCE

Can you reproduce it with JacORB 3.6.1 ? Can you produce a test case?


Thanks

Nick


On 02/06/15 17:10, Alka Nand wrote:
> We have been using JACORB 3.0 with JCE with no problems for several years.
> We use TLS and secure communications very extensively. Recently we decided
> to upgrade to the Unimited strength JCE to make use of 256 bit ciphers.
> Unfortunately we started seeing threads hanging when trying to connect with
> a Server that is down - cannot be pinged. I have the corba timeout set to
> 30 seconds and before we upgraded to unlimited strength JCE it would always
> timeout after 30 secs.
>
> We have a Monitor set up that has a thread pool that tries to periodically
> connect to the various server. After running for about 2-3 hours I saw that
> one of the threads got stuck while trying to connect. There were 3 servers
> that were down and in the same ping cycle all the three client threads
> trying to connect to these TAO servers got stuck.
>
> On doing a pstack it looks like the threads are stuck at this point
>
> I would really appreciate any input regarding this issue. As I said we are
> using Jacorb 3.0 and our server are running TAO. In any case this is
> happening only when the server is down.
>
> Thanks
> alka
>
>
> -----------------  lwp# 44642  --------------------------------
>   ff2cd78c lwp_cond_wait (1a68448, 1a68430, 5f57ece8, 0)
>   ff2b47bc _lwp_cond_timedwait (1a68448, 1a68430, 5f57ed70, ff2b4640,
> 13bd54, ffffffff) + 1c
>   fea0c2a0 __1cCosNPlatformEventEpark6Mx_i_ (1a68400, 8df78, feca0066,
> fed20000, 8df6c, 0) + 28c
>   fe2445e4 __1cNObjectMonitorGEnterI6MpnGThread__v_ (17104a0, 1d02400, 1f40,
> fedf05bc, fedf05f8, 1d02400) + 224
>   fe1939c4 __1cNObjectMonitorFenter6MpnGThread__v_ (17104a0, 1d02400,
> fedf05dc, 2, 1d04390, 1d048d0) + 3ec
>   feb03194
> __1cSObjectSynchronizerKfast_enter6FnGHandle_pnJBasicLock_bpnGThread__v_
> (5f57efe0, 5f57f058, 1, 1d02400, 8dc00, 1a60aec) + a8
>   fe1a8380
> __1cSInterpreterRuntimeMmonitorenter6FpnKJavaThread_pnPBasicObjectLock__v_
> (1d02400, 5f57f058, 1d06c40, 1a60aec, fed20000, 79e54908) + 288
>   fbc1b078 * *sun/security/ssl/SSLContextImpl.getDefaultCipherSuiteList(Z)Lsun/security/ssl/CipherSuiteList;+4
> (line 568)*
>   fbc06748 *
> sun/security/ssl/SSLSocketImpl.init(Lsun/security/ssl/SSLContextImpl;Z)V+88
> (line 1139)
>   fbc06a84 *
> sun/security/ssl/SSLSocketImpl.<init>(Lsun/security/ssl/SSLContextImpl;)V+77
> (line 1842)
>   fbc06a84 *
> sun/security/ssl/SSLSocketFactoryImpl.createSocket()Ljava/net/Socket;+8
> (line 146)
>   fbc06748 *
> com/tellabs/ems/idlneadapter/jacorb/SSLSocketFactoryJacorb.doCreateSocket(Ljava/lang/String;II)Ljava/net/Socket;+26
> (line 446)
>   fbc06748 *
> org/jacorb/orb/factory/AbstractSocketFactory.createSocket(Ljava/lang/String;II)Ljava/net/Socket;+4
> (line 122)
>   fbc072e0 * org/jacorb/orb/iiop/ClientIIOPConnection.createSocket(J)V+349
> (line 584)
>   fbc06a84 *
> org/jacorb/orb/iiop/ClientIIOPConnection.connect(Lorg/omg/ETF/Profile;J)V+170
> (line 259)
>   fc071064 *
> *org/jacorb/orb/giop/GIOPConnection.sendMessage(Lorg/jacorb/orb/giop/MessageOutputStream;Lorg/omg/TimeBase/UtcT;)V
> [compiled] +213 (line 2
> 048)
>   fbf7d42c *
> *org/jacorb/orb/giop/GIOPConnection.sendRequest(Lorg/jacorb/orb/giop/MessageOutputStream;Z)V
> [compiled] +29 (line 1972)
>   fbf7d42c *
> *org/jacorb/orb/giop/ClientConnection.sendRequest(Lorg/jacorb/orb/giop/MessageOutputStream;Z)V+7
> (line 618)
>   fbf7d42c *
> *org/jacorb/orb/giop/ClientConnection.sendRequest(Lorg/jacorb/orb/giop/MessageOutputStream;Lorg/jacorb/orb/giop/ReplyPlaceholder;IZ)V+46
> (
> line 571)
>   fbf84ecc *
> *org/jacorb/orb/Delegate._invoke_internal(Lorg/omg/CORBA/Object;Lorg/omg/CORBA/portable/OutputStream;Lorg/omg/Messaging/ReplyHandler;Z)Lor
> g/omg/CORBA/portable/InputStream; [compiled] +448 (line 2648)
>   fbf46980 *
> *org/jacorb/orb/Delegate.invoke_internal(Lorg/omg/CORBA/Object;Lorg/omg/CORBA/portable/OutputStream;Lorg/omg/Messaging/ReplyHandler;Z)Lorg
> /omg/CORBA/portable/InputStream; [compiled] +7 (line 2304)
>   fbeabbfc *
> *org/jacorb/orb/Delegate.invoke(Lorg/omg/CORBA/Object;Lorg/omg/CORBA/portable/OutputStream;)Lorg/omg/CORBA/portable/InputStream;
> [compiled
> ] +6 (line 2280)
>   fbeabbfc *
> *org/jacorb/orb/Delegate.invokeBuiltin(Lorg/omg/CORBA/Object;Ljava/lang/String;Ljava/lang/String;)Lorg/omg/CORBA/portable/InputStream;+43
> (line 4055)
>   fbeabbfc *
> *org/jacorb/orb/Delegate.is_a(Lorg/omg/CORBA/Object;Ljava/lang/String;)Z+472
> (line 3660)
>   fbfc22b0 * *org/omg/CORBA/portable/ObjectImpl._is_a(Ljava/lang/String;)Z
> [compiled] +7 (line 260)
>   fbc070f4 *
> com/tellabs/ems/sb_if/emsne/SessionMgr/NESessionFactory_IHelper.narrow(Lorg/omg/CORBA/Object;)Lcom/tellabs/ems/sb_if/emsne/SessionMgr/NESe
> ssionFactory_I;+21 (line 110)
>   fbc06748 * com/tellabs/ems/idlneadapter/EMSSession.establishSession()V+411
> (line 1625)
>   fbc06a84 *
> com/tellabs/ems/idlneadapter/IPTVNEMonitorThread.monitorNE(Lcom/tellabs/ems/idlneadapter/EMSSession;)V+231
> (line 536)
>   fbc06a84 * com/tellabs/ems/idlneadapter/IPTVNEMonitorThread.run()V+277
> (line 232)
>   fbc0761c * java/lang/Thread.run()V+11 (line 1489)
>
>
>

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