[omniORB] Weird issue running omniORB under wine

[Barry Roberts]

I have a server-type CORBA application that runs just great under Windows but is a real pain to keep updated.  As part of the process of porting it to Linux I'm trying to run it under Wine as an interim step to make maintenance and updates much easier.  It works for a short while, but then at some point it dies with:

omniORB: Assertion failed.  This indicates a bug in the application using omniORB, or maybe in omniORB itself.
 file: SocketCollection.cc
 line: 946
 info: s->pd_fd_index >= 0
omniORB: Unexpected exception caught by giopRendezvouser
omniORB: Unrecoverable error for this endpoint: giop:tcp:172.23.22.83:32891, it will no longer be serviced.

I'm using omniORB 4.1.3 built from source (still using VC6) so the assertion is in the Select method:
        if (FD_ISSET(s->pd_socket, &rfds)) {
          // Remove socket from pd_fd_set by swapping last item.
          // We don't use FD_CLR since that is incredibly inefficient
          // with large sets.
          OMNIORB_ASSERT(s->pd_fd_index >= 0);
          int to_i   = s->pd_fd_index;
          int from_i = --pd_fd_set.fd_count;

I realize this is NOT an omniORB problem, but I also quickly realized that it would be pretty difficult for me to get familiar enough with the code to figure out why this was happening.  So if anyone sees any easy things I can try to track down what's different between Wine and Windows so I can make this work, I would appreciate it.

My CORBA code is basically just a wrapper around windows processes.  It accepts requests from applications on tomcat servers and uses Windows IPC to select an available child process, pass it a document, then pass the result back to the tomcat server.  And it runs on Windows for 3 months at a time without problems. It gets updated quarterly, or it might run longer.

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