OpenAMQ

Reported by pieterh (1217246859|%O ago)

This is the backtrace of the core dump:

Program terminated with signal 11, Segmentation fault.
#0 apr_sockaddr_ip_get (addr=0x43805fc8, sockaddr=0x0) at network_io/unix/sockaddr.c:104
104 *addr = apr_palloc(sockaddr->pool, sockaddr->addr_str_len);
(gdb) bt
#0 apr_sockaddr_ip_get (addr=0x43805fc8, sockaddr=0x0) at network_io/unix/sockaddr.c:104
#1 0x000000000045bdbd in amq_server_agent_manager (thread_p=0x43806120) at amq_server_agent.c:20529
#2 0x000000000052badf in s_execute (apr_thread=<value optimized out>, data=0xa30b38) at smt_os_thread.c:3213
#3 0x00002b8e5e146317 in start_thread () from /lib/libpthread.so.0
#4 0x00002b8e5e42ed5d in clone () from /lib/libc.so.6
#5 0x0000000000000000 in ?? ()
(gdb)

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Network configuration?

pieterh 28 Jul 2008 15:26

The cause seems to be a failing hostname resolution in the server, when it starts up and tries to print its own IP address. This code changed in 1.2d0. Here is a patch to amq_server_agent.c that catches the failing resolution and prints an error:

(Download patched file)

20529,20531c20529,20536
<                 apr_sockaddr_ip_get (&address, sockaddr);
<                 smt_log_print (amq_broker->alert_log,
<                     "I: hostname is %s (%s)", buffer, address);
---
>                 if (sockaddr) {
>                     apr_sockaddr_ip_get (&address, sockaddr);
>                     smt_log_print (amq_broker->alert_log,
>                         "I: hostname is %s (%s)", buffer, address);
>                 }
>                 else
>                     smt_log_print (amq_broker->alert_log,
>                         "E: cannot translate host name '%s'", buffer);
20545,20546c20550,20556
<             apr_sockaddr_ip_get (&address, sockaddr);
<             icl_shortstr_fmt (amq_broker->host, "%s:%s", address, port);
---
>             if (sockaddr) {
>                 apr_sockaddr_ip_get (&address, sockaddr);
>                 icl_shortstr_fmt (amq_broker->host, "%s:%s", address, port);
>             }
>             else
>                 smt_log_print (amq_broker->alert_log,
>                     "E: cannot translate host name '%s'", buffer);

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Last edited on 29 Jul 2008 07:34 by pieterh + Show more

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Unfold Network configuration? by pieterh, 28 Jul 2008 15:26

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Resolved

pieterh 29 Jul 2008 09:41

Above patch resolves the problem, will be included in 1.2d1.

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Unfold Resolved by pieterh, 29 Jul 2008 09:41

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