Segmentation fault when "SSL Proxy: Peer certificate is expired" in the JBCS Apache httpd 2.4.37 and mod_cluster

Solution Verified - Updated -


  • JBCS Apache httpd is going down because of the disk space reaching 100% and its due to continues core dumps occurring frequently:
[ssl:info] [pid 1782:tid 139709813352192] [remote] AH01964: Connection to child 0 established (server
[ssl:info] [pid 1782:tid 139709813352192] [remote] AH02004: SSL Proxy: Peer certificate is expired
[ssl:info] [pid 1782:tid 139709813352192] [remote] AH01998: Connection closed to child 0 with abortive shutdown (server
[:error] [pid 1782:tid 139709813352192] (502)Unknown error 502: http_cping_cpong(): send failed
[core:notice] [pid 1773:tid 139710177069312] AH00051: child pid 1782 exit signal Segmentation fault (11), possible coredump in /opt/jbcs-httpd24-2.4/httpd
  • Core dumps show backtraces like:
#0 0x00007f0dd305e757 in apr_brigade_cleanup (data=0x7f0dc803da10) at buckets/apr_brigade.c:44
#1 0x00007f0dd303672e in run_cleanups (cref=<optimized out>) at memory/unix/apr_pools.c:2705
#2 apr_pool_destroy (pool=0x7f0dc803ce88) at memory/unix/apr_pools.c:991
#3 0x00007f0dd303670d in apr_pool_destroy (pool=0x7f0dc8038e68) at memory/unix/apr_pools.c:988
#4 0x00007f0dd200c785 in proxy_cluster_watchdog_func (thd=<optimized out>, data=<optimized out>) at mod_proxy_cluster.c:2239
#5 0x00007f0dd30413af in dummy_worker (opaque=0x1b0c280) at threadproc/unix/thread.c:147
#6 0x00007f0dd2fac3f9 in start_thread () from /lib64/
#7 0x00007f0dd2ed2b53 in clone () from /lib64/


  • Red Hat JBoss Core Services (JBCS)
    • 2.4.37 SP6
  • mod_cluster

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