"failed to acquire connection" error in mod_cluster

Solution Verified - Updated -


  • When hitting MaxClients or when exhausting all threads in a worker process, we can see the following error:

    [error] (70007)The timeout specified has expired: proxy: ajp: failed to acquire connection for (


  • JBoss Enterprise Application Platform (EAP) 6.x
  • mod_cluster 1.2.11.Final
  • Apache httpd 2.2.x

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