[jacorb-developer] JacORB hangs in endless connection retry loop

[Nick Cross]

Are you able to provide a standalone test case so we can look into it ?

Thanks

Nick


On 26/06/15 10:33, Franz van Betteraey wrote:
> Hi Phil,
>
> we use JacORB together with Apache CXF to establish the connection. The address we use there (in the JaxWsProxyFactoryBean) is something like "corbaname::<NameService>:<NameServicePort>#<ServiceName>".
> Meanwhile we used the "Ultra Corba Simulator" to connect to the service and the behaviour is as expected (exception after unsuccessful retries). So I assume that the endless loop behaviour is related to Apache CXF although I can not find something helpful in the logs.
>
> Nevertheless when we use the SUN ORB we get an Exception as expected (even when using Apache CXF)
>
> Jun 25, 2015 9:07:12 PM com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl <init>
> WARNUNG: "IOP00410201: (COMM_FAILURE) Connection failure: socketType: IIOP_CLEAR_TEXT; hostname: <server>; port: <port>"
> org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 201  completed: No
>         at com.sun.corba.se.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2200)
>         at com.sun.corba.se.impl.logging.ORBUtilSystemException.connectFailure(ORBUtilSystemException.java:2221)
>         at com.sun.corba.se.impl.transport.SocketOrChannelConnectionImpl.<init>(SocketOrChannelConnectionImpl.java:223)
>
> So probably the failure is on the Apache CXF side. Nevertheless, thanks for your comments.
>
> To solve the current problem we will not use Apache CXF at the moment, but it would be nice to know the cause of the problem.
>
> Kind regards,
>    Franz
>
>
> 5. Juni 2015 um 17:13 Uhr
> Von: "Phil Mesnier" <mesnier_p at ociweb.com>
> An: "Franz van Betteraey" <fvbetteraey at web.de>
> Cc: "Discussions concerning CORBA development with JacORB" <jacorb-developer at lists.spline.inf.fu-berlin.de>
> Betreff: Re: [jacorb-developer] JacORB hangs in endless connection retry loop
> Hi Franz,
>
> Are you using a corbaname style URL?
> How is the server not responding? It looks like it has a listen socket open but it is not accepting the new connection.
> What does the Java ORB do?
>
> -Phil
>
>> On Jun 25, 2015, at 6:01 AM, Franz van Betteraey <fvbetteraey at web.de> wrote:
>>
>> Hi,
>>
>> we try to connect to a not responding corba service using JacORB 3.6.1. We set the properties jacorb.retries and jacorb.connection.client.pending_reply_timeout and hoped to get a failure after the number of specified retries.
>> Instead it seems that JacORB is ending in an endless loop, trying to connect to the service
>>
>> (1) connect to nameservice (success)
>> (2) connect to corba service (timeout failure); retry
>> (3) goto (1) - we did not expect this
>>
>> The log is attached below. I can't imagine that JacORB is the problem - but the SUN ORRB works as expected. Probably we are doing something wrong. Does anyone knows the cause for this behaviour?
>>
>> Any help is appreciated.
>>
>> Kind regards
>> Franz
>>
>>
>> --- log
>> -- first attempt
>> Jun 24, 2015 12:25:23 PM org.jacorb.orb.giop.ClientConnectionManager getConnection
>> INFORMATION: ClientConnectionManager: created new ClientGIOPConnection to <NameServiceIp>:9999 (705052f9)
>> Jun 24, 2015 12:25:23 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Connected to <NameServiceIp>:9999 from local port 54679 Timeout: 4000
>> Jun 24, 2015 12:25:23 PM org.jacorb.orb.giop.ClientConnectionManager getConnection
>> INFORMATION: ClientConnectionManager: created new ClientGIOPConnection to <CorbaServiceIp>:10000 (65da9f66)
>> Jun 24, 2015 12:25:24 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> Jun 24, 2015 12:25:25 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> Jun 24, 2015 12:25:27 PM org.jacorb.orb.iiop.ClientIIOPConnection close
>> INFORMATION: Client-side TCP transport to <NameServiceIp>:9999 closed.
>> Jun 24, 2015 12:25:27 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> Jun 24, 2015 12:25:28 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> Jun 24, 2015 12:25:30 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> -- second attempt
>> Jun 24, 2015 12:25:31 PM org.jacorb.orb.giop.ClientConnectionManager getConnection
>> INFORMATION: ClientConnectionManager: found ClientGIOPConnection to <NameServiceIp>:9999 (705052f9)
>> Jun 24, 2015 12:25:31 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Connected to <NameServiceIp>:9999 from local port 54689 Timeout: 4000
>> Jun 24, 2015 12:25:31 PM org.jacorb.orb.giop.ClientConnectionManager getConnection
>> INFORMATION: ClientConnectionManager: found ClientGIOPConnection to <NameServiceIp>:9999 (705052f9)
>> Jun 24, 2015 12:25:31 PM org.jacorb.orb.giop.ClientConnectionManager getConnection
>> INFORMATION: ClientConnectionManager: created new ClientGIOPConnection to <CorbaServiceIp>:10000 (6e638cdc)
>> Jun 24, 2015 12:25:31 PM org.jacorb.orb.giop.ClientConnectionManager getConnection
>> INFORMATION: ClientConnectionManager: created new ClientGIOPConnection to <CorbaServiceIp>:10000 (5ced3d95)
>> Jun 24, 2015 12:25:32 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> Jun 24, 2015 12:25:34 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> Jun 24, 2015 12:25:35 PM org.jacorb.orb.iiop.ClientIIOPConnection close
>> INFORMATION: Client-side TCP transport to <NameServiceIp>:9999 closed.
>> Jun 24, 2015 12:25:35 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> Jun 24, 2015 12:25:37 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> Jun 24, 2015 12:25:38 PM org.jacorb.orb.iiop.ClientIIOPConnection connect
>> INFORMATION: Retrying to connect to <CorbaServiceIp>:10000
>> -- and so on ...
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>
> --
> Phil Mesnier
> Principal Software Engineer and Partner, http://www.ociweb.com[http://www.ociweb.com]
> Object Computing, Inc. +01.314.579.0066 x225
>
>
>
>
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