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POWhat is the cause and how to fix 503 errors with this in Apache error_log: "Broken pipe: ajp_ilink_send(): send failed"
 

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  1. POWhat is the cause and how to fix 503 errors with this in Apache error_log: "Broken pipe: ajp_ilink_send(): send failed"
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    <p>I'm having intermittent problems with a servlet running on JBoss, with Apache forwarding it all requests via mod_proxy_ajp.so.</p> <p>Sometimes, for REST requests, I get 503 errors from Apache. When this happens, the Apache error_log has this in it:</p> <pre><code>[Mon Oct 12 09:10:19 2009] [error] (32)Broken pipe: ajp_ilink_send(): send failed [Mon Oct 12 09:10:19 2009] [error] (32)Broken pipe: proxy: send failed to 127.0.0.1:8009 (localhost) </code></pre> <p>After a few failed attempts, it starts working again.</p> <p>I've googled some and found that I'm not the only one who has encountered the problem. The only solution I've found is to make sure that Apache is started after JBoss (I restart Apache after restarting JBoss).</p> <p>The strange thing about this problem is that there are other servlets running in this JBoss and I don't have the problem there.</p> <p>The servlet is CXF JAX-RS based.</p> <p>Apache is 2.2.6.</p>
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    1. PTQuestion
    1. USDonal Fellows
    1. USDavid Resnick
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      1. POWhat is the cause and how to fix 503 errors with this in Apache error_log: "Broken pipe: ajp_ilink_send(): send failed"
      1. USDavid Resnick
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      1. POWhat is the cause and how to fix 503 errors with this in Apache error_log: "Broken pipe: ajp_ilink_send(): send failed"
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    1. CO`Broken pipe: send failed` messages generally mean that the connection was closed by the other side. Are there any exceptions in your JBoss logs at the same time? Maybe something is being logged at DEBUG or TRACE level that could provide a hint.
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      1. POWhat is the cause and how to fix 503 errors with this in Apache error_log: "Broken pipe: ajp_ilink_send(): send failed"
      1. USpra
    2. COThere are no exceptions in the JBoss logs at all, though I will turn on DEBUG levels to see if I can better understand what might be causing this.
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      1. POWhat is the cause and how to fix 503 errors with this in Apache error_log: "Broken pipe: ajp_ilink_send(): send failed"
      1. USDavid Resnick
 

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