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ACE 5.4.2 + TAO 1.4.2 client, ORBacus 4.1.2 NameService, and JACOrb 1.4.1 servants

Hi everyone,

Background:
-----------
I'm very new to CORBA, ACE & TAO.  I'm trying to integrate with a 3rd
party system which exposes a CORBA object model to clients.  This
system is composed of JACOrb 1.4.1 servers registering with an ORBacus
4.1.2 NameService.

We've got existing software that uses ACE 5.4.2, and the 3rd party
documentation mentions that people have used TAO (no version specified)
previously to integrate with their system, so I'm trying out TAO 1.4.2
as a natural solution to the problem.

Environment Specifics:
----------------------
- ACE 5.4.2 + TAO 1.4.2 clients
  - running on a variant of RedHat Enterprise Linux 4.x  (x86 platform)
  - compiled with gcc-c++-3.4.3-22.1
- ORBacus 4.1.2 NameService, and JACorb 1.4.1 servants  (the 3rd Party
stuff)
  - running on SunOS 5.9

What I'm trying to do:
----------------------
To get started, I'm trying to create a simple "hi3rdParty" app which
acquires a reference to the remote ORBacus NameService so that I can
then get at the other services.  Here's the code I'm using:

    try
    {
        // ------ begin common CORBA init --------
        // First initialize the ORB - that will remove some
arguments...
        // NOTE:  we're gonna try and use "-ORBInitRef
NameService=corbaloc:iiop:theServer:5000/NameService"
        // to find the naming service.
        CORBA::ORB_var orb = CORBA::ORB_init(argc, argv, "");
        CORBA::Object_var tmpObj =
orb->resolve_initial_references("NameService");
    }
    catch(CORBA::Exception &ex)
    {
        ACE_PRINT_EXCEPTION(ACE_ANY_EXCEPTION, "ACE_PRINT_EXCEPTION:");
    }

The Result:
-----------
> hi3rdParty -ORBInitRef NameService=corbaloc:iiop:theServer:5000/NameService -ORBdebuglevel 10

TAO (23354|3063387840) Loaded default protocol <IIOP_Factory>
TAO (23354|3063387840) created new ORB <>
TAO (23354|3063387840) - TAO_Connector::make_mprofile
<iiop://theServer:5000/NameService>
TAO (23354|3063387840) - Transport_Cache_Manager::find_i, unable to
locate a free connection
TAO (23354|3063387840) - Transport_Cache_Manager::fill_set_i,
current_size = 0, cache_maximum = 512
TAO (23354|3063387840) - IIOP_Connector::make_connection, to
<theServer:5000>
TAO (23354|3063387840) - IIOP_Connector::make_connection, going to wait
for connection completion on localhandle [7]TAO (23354|3063387840) -
Leader_Follower[134866224]::wait_for_event, (leader) enter reactor
event loop
TAO (23354|3063387840) - IIOP_Connection_Handler::open, IIOP connection
to peer <192.168.0.147:5000> on 7
TAO (23354|3063387840) - Leader_Follower[134866224]::wait_for_event,
(leader) exit reactor event loop
TAO (23354|3063387840) - IIOP_Connector::make_connectionwait done for
handle[7], result = 0
TAO (23354|3063387840) - IIOP_Connector::make_connection, new
connection to <theServer:5000> on Transport[7]
TAO (23354|3063387840) - Transport_Cache_Manager::bind_i, 0xbfc06050 ->
0x809e530 Transport[7]
TAO (23354|3063387840) - Transport_Cache_Manager::bind_i, size is [1]
TAO (23354|3063387840) - Transport[7]::register_handler
TAO (23354|3063387840) - Codeset_Manager::set_tcs, No codeset component
in profile
TAO (23354|3063387840) - Muxed_TMS[7]::request_id, <1>
TAO (23354|3063387840) - Codeset_Manager::generate_service_context,
using tcs_c = 00010001, tcs_w = 00010109
TAO (23354|3063387840) - GIOP_Message_Base::dump_msg, send GIOP v1.0
msg, 108 data bytes, my endian, Type Request[1]GIOP message - HEXDUMP
120 bytes
47 49 4f 50 01 00 01 00  6c 00 00 00 01 00 00 00   GIOP....l.......
01 00 00 00 0c 00 00 00  01 00 00 00 01 00 01 00   ................
09 01 01 00 01 00 00 00  01 00 00 00 0b 00 00 00   ................
4e 61 6d 65 53 65 72 76  69 63 65 00 06 00 00 00   NameService.....
5f 69 73 5f 61 00 00 00  00 00 00 00 28 00 00 00   _is_a.......(...
49 44 4c 3a 6f 6d 67 2e  6f 72 67 2f 43 6f 73 4e   IDL:omg.org/CosN
61 6d 69 6e 67 2f 4e 61  6d 69 6e 67 43 6f 6e 74   aming/NamingCont
65 78 74 3a 31 2e 30 00                            ext:1.0.
TAO (23354|3063387840) - IIOP_Transport::send_message_shared,
enable_network_priority = 0
TAO (23354|3063387840) - Transport[7]::cleanup_queue, byte_count = 120
TAO (23354|3063387840) - Transport[7]::cleanup_queue, after transfer,
bc = 0, all_sent = 1, ml = 0
TAO (23354|3063387840) - Transport[7]::drain_queue_helper, byte_count =
120, head_is_empty = 1
TAO (23354|3063387840) - Transport[7]::drain_queue_i, helper retval = 1
TAO (23354|3063387840) - Transport[7]::make_idle
TAO (23354|3063387840) - Leader_Follower[7]::wait_for_event, (leader)
enter reactor event loop
TAO (23354|3063387840) - Connection_Handler[7]::handle_input, handle =
7/7
TAO (23354|3063387840) - Transport[7]::handle_input
TAO (23354|3063387840) - Transport[7]::process_queue_head
TAO (23354|3063387840) - Transport[7]::handle_input, read 196 bytes
TAO (23354|3063387840) - GIOP_Message_State::parse_message_header_i
TAO (23354|3063387840) - GIOP_Message_State::get_version_info
TAO (23354|3063387840) - GIOP_Message_State::get_byte_order_info
TAO (23354|3063387840) - GIOP_Message_Base::dump_msg, recv GIOP v1.0
msg, 184 data bytes, other endian, Type Reply[1]
GIOP message - HEXDUMP 196 bytes
47 49 4f 50 01 00 00 01  00 00 00 b8 00 00 00 00   GIOP............
00 00 00 01 00 00 00 03  00 00 00 2a 49 44 4c 3a   ...........*IDL:
6f 6f 63 2e 63 6f 6d 2f  43 6f 73 4e 61 6d 69 6e   ooc.com/CosNamin
67 2f 4f 42 4e 61 6d 69  6e 67 43 6f 6e 74 65 78   g/OBNamingContex
74 3a 31 2e 30 00 68 61  00 00 00 01 00 00 00 00   t:1.0.ha........
00 00 00 70 00 01 02 4d  00 00 00 0b 4e 61 6d 65   ...p...M....Name
53 65 72 76 65 72 00 51  13 88 af 52 00 00 00 28   Server.Q...R...(
ab ac ab 30 5f 52 6f 6f  74 50 4f 41 00 52 6f 6f   ...0_RootPOA.Roo
74 43 6f 6e 74 65 78 74  50 4f 41 00 00 4e 61 6d   tContextPOA..Nam
65 53 65 72 76 69 63 65  00 00 00 01 00 00 00 01   eService........
00 00 00 20 00 10 00 00  00 01 00 01 00 00 00 02   ... ............
00 01 00 20 05 01 00 01  00 01 01 00 00 00 00 01   ... ............
00 01 01 09                                        ....
TAO (23354|3063387840) - TAO_Muxed_TMS::dispatch_reply, id = 1
TAO (23354|3063387840) - Connection_Handler[7]::handle_input, handle =
7/7, retval = 0
TAO (23354|3063387840) - Leader_Follower[7]::wait_for_event, (leader)
exit reactor event loop
TAO (23354|3063387840) - Synch_Twoway_Invocation::location_forward
being handled
TAO (23354|3063387840) - Invocation_Adapter::invoke_i, handling
forwarded locations
TAO (23354|3063387840) IIOP connection failed.
TAO (23354|3063387840) This is most likely due to a hostname lookup
failure.
(23354|3063387840) EXCEPTION, ACE_PRINT_EXCEPTION:
system exception, ID 'IDL:omg.org/CORBA/TRANSIENT:1.0'
OMG minor code (2), described as 'No usable profile in IOR.', completed
= NO

Destroying ORB <>
TAO (23354|3063387840) - Connection_Handler[7]::close_connection,
purging entry from cache
TAO (23354|3063387840) - Connection_Handler[7]::close_connection,
removing from the reactor
TAO (23354|3063387840) - Connection_Handler[7]::close_connection,
cancel all timers
TAO (23354|3063387840) - Connection_Handler[7]::close_connection

Analysis:
---------
- I've verified that I have the correct server and port information
  - ran tests against know invalid host, and known good host with known
bad port and in each case, the attempt would fail before any GIOP
transmissions vs. in this case, we send GIOP and get a response

- I spent Friday hunting on the Internet for any info on similar issues
and found:
  - there was a known interop issue with a previous version
combination, but it was resolved:
    -
http://groups.google.com/group/comp.soft-sys.ace/browse_frm/thread/663eb28ad455d9d2/02edceaf32f9964b?tvc=1&q=GIOP+1.2#02edceaf32f9964b
  - at one point, it looks like there was a similar issue discussed
here, but no resolution in that thread:
    - http://mail.ooc.nf.ca/pipermail/ob-users/2000-March/009390.html
  - I've read $(TAO_ROOT)/docs/INS.html  , but it only reaffirms
"-ORBInitRef NameService=corbaloc:iiop...."
  - I've been googling, and searching within yahoo and google groups
and newsgroups for combinations of:
    - Orbacus NameService TAO client problem GIOP IIOP "IIOP connection
failed"

Plea for help / direction:
--------------------------
>From my 3rd party docs, it sounds like TAO has successfully integrated
with them before, but they have not given specific versions or details
beyond "Successful integrations:  ORBacus, JACorb, TAO, etc..".
- Does this problem I'm experiencing ring a bell?
- Is there a configuration / command line format / simple issue I'm
missing that is easily fixed?
- Has anyone successfully written a TAO client interacting with an
ORBacus NameService?  (preferably ORBacus 4.1.2)
- Where would I go next to try and resolve this?

Thankyou very much for your time and any pointers / help,

Tyler

0
tyler_at_work
10/10/2005 6:56:10 PM
comp.soft-sys.ace 20326 articles. 1 followers. marlow.andrew (167) is leader. Post Follow

1 Replies
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RESOLVED:

Hi...  I wanted to update with the resolution in case anyone else has a
similar problem.  The issue was that although the NameService machine
was known as "theServer" on our network, it was also known as
"NameServer" in its own /etc/hosts file.  As a result, the GIOP
response was indicating "NameServer" to the client as the host for the
object requested, and that name was not "pingable" from the client
machine.

RESOLUTION:  I added an /etc/hosts entry for "NameServer" to my client,
and it works now.

Thanks,

Tyler

0
tyler_at_work
10/12/2005 9:31:23 PM
Reply:

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RE: Subject: Building ACE 5.3.1 on Mac OS X (Tiger) 10.4.2 was [ace-users] Building ACE on Mac OSX 10.4 #2
Hi Jason, > > >> ACE VERSION: 5.3.1 > > > > This version of ACE is ANCIENT. The forthcoming ACE 5.4.8 > beta should > > work "out of the box" for Mac OS X Tiger. If you want a preview, > > please download the version in our CVS repo at > > I know it isn't the most recent version available, but this > version is used > extensively across the corporation. Changing the version of > ACE all these > products used will cause the architect's heads to explode ;) ;-) Right - this is where the value of commercial support providers comes into play. DOC's research efforts continue to march on as they should, while commercial product efforts are best served by sticking with a version of ACE over time. Companies such as Riverace can make a 5.3-base version work on Mac OS X Tiger, for instance, as well as make sure that when your product is ready for an upgrade, the new version of ACE won't surprise you. I'd be happy to discuss further how we can help you and your architects - we don't want any heads to explode :-) -Steve -- Steve Huston, Riverace Corporation Helping you succeed with ACE See http://www.riverace.com/support.htm ...

RE: Subject: Building ACE 5.3.1 on Mac OS X (Tiger) 10.4.2 was [ace-users] Building ACE on Mac OSX 10.4 #2
Hi Doug, > > Thanks for using the PRF. > > >> ACE VERSION: 5.3.1 > > This version of ACE is ANCIENT. The forthcoming ACE 5.4.8 beta should > work "out of the box" for Mac OS X Tiger. If you want a preview, > please download the version in our CVS repo at I know it isn't the most recent version available, but this version is used extensively across the corporation. Changing the version of ACE all these products used will cause the architect's heads to explode ;) Is it your opinion that 5.3.1 is hopeless cause on Tiger? > http://cvs.doc.wustl.edu/ I will try it out, and let you know how it works. Thanks, Jason ...

Re: Subject: Building ACE 5.3.1 on Mac OS X (Tiger) 10.4.2 was [ace-users] Building ACE on Mac OSX 10.4 #2
Hi Jason, >> I know it isn't the most recent version available, but this version >> is used extensively across the corporation. Changing the version of >> ACE all these products used will cause the architect's heads to >> explode ;) >> >> Is it your opinion that 5.3.1 is hopeless cause on Tiger? It'll take some work, but companies like Riverace, Remedy, and OCI can help out with this stuff if staying with 5.3.1 is essential. Please see http://www.cs.wustl.edu/~schmidt/commercial-support.html for help with this stuff. >> > http://cvs.doc.wustl.edu/ >> I will try it out, and let you know how it works. Great - if there are any problems please let us know quickly so that we can get the fixes into the x.4.8 beta. Thanks, Doug -- Dr. Douglas C. Schmidt Professor and Associate Chair Electrical Engineering and Computer Science TEL: (615) 343-8197 Institute for Software Integrated Systems WEB: www.dre.vanderbilt.edu/~schmidt Vanderbilt University, Nashville TN, 37203 NET: d.schmidt@vanderbilt.edu ...

Upgrade from VO 1 - 2 - 2..1 -2.2 - 2.3 -2.4 - 2.5 - 2.6 - 2.7
About upgrade 2.5 - 2.7 at $ 384.00 For most products I'm using - the updates (2.0 - 2.1 - 2.7) are free... 2.0 to 3.0 might be worth + 10-30% of the original price? VO is + full price again & again - Full program price for every minor upgrade/bug-fix? I dropped out of the money/bugs [VO] at 2.5 after starting at 1.0 more than 10 years ago. Certainly whoever is making VO have to make a living; earning moneys: - that is OK! A 10 years old VO site; - 10 years later, how much have changed? http://www.yi.com/prany/cavo/cavofront.htm Even MS is not ...

kpasswd problem on 1.4.1/1.4.2
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I just noticed that with 1.4.1 and 1.4.2, when I try to change my password with kpasswd, I get the following message after entering the new password twice: kpasswd: Permission denied changing password This occurs whether the KDC is at 1.3.4 or at 1.4.2. I don't have the problem using a 1.3.4 kpasswd. Has something changed in 1.4.x with respect to password changing? Mike _____________________________________________________________________ Mike Friedman System and Network Security mikef@ack.Berkeley.EDU 24...

Web resources about - ACE 5.4.2 + TAO 1.4.2 client, ORBacus 4.1.2 NameService, and JACOrb 1.4.1 servants - comp.soft-sys.ace

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