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    <title>topic Re: Is VCS aware of multi-threaded pool connections  when closing pooled resources? in Nuxeo Forum</title>
    <link>https://connect.hyland.com/t5/nuxeo-forum/is-vcs-aware-of-multi-threaded-pool-connections-when-closing/m-p/322695#M9696</link>
    <description>&lt;P&gt;I noticed the following error in the log&lt;/P&gt;</description>
    <pubDate>Thu, 17 May 2012 19:17:17 GMT</pubDate>
    <dc:creator>karl_harris_</dc:creator>
    <dc:date>2012-05-17T19:17:17Z</dc:date>
    <item>
      <title>Is VCS aware of multi-threaded pool connections  when closing pooled resources?</title>
      <link>https://connect.hyland.com/t5/nuxeo-forum/is-vcs-aware-of-multi-threaded-pool-connections-when-closing/m-p/322694#M9695</link>
      <description>&lt;P&gt;New question as a continuation of &lt;A href="http://answers.nuxeo.com/questions/2550/when-does-nuxeo-return-client-connections-to-psql"&gt;this question&lt;/A&gt;.&lt;/P&gt;
&lt;P&gt;Error is:&lt;/P&gt;
&lt;P&gt;11936 2012-05-16 09:59:58,397 ERROR [org.hibernate.util.JDBCExceptionReporter] Cannot get a connection, pool error Timeout waiting for idle object&lt;/P&gt;
&lt;P&gt;I did a bit of research and found (&lt;A href="http://tomcat.apache.org/tomcat-5.5-doc/jndi-datasource-examples-howto.html#Preventing_dB_connection_pool_leaks"&gt;this&lt;/A&gt;) tutorial on connection pool leaks within TomCat.&lt;/P&gt;
&lt;P&gt;If you look at the section entitled: Common Problems in the above link you will see a suggested way to return (close) pooled db connections.&lt;/P&gt;
&lt;P&gt;My Question is does VCS use a similar techniques to prevent pool exhaustion/leaks from multi-threaded processes when multiple documents are created within a short period (seconds) of time in the same folderish document? Also, I do not see, in the TOMCAT db resource configuration file, that nuxeo (VCS) uses removeAbandoned="true" to clean up abandoned connections. I'm I missing something?&lt;/P&gt;</description>
      <pubDate>Wed, 16 May 2012 16:20:45 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/nuxeo-forum/is-vcs-aware-of-multi-threaded-pool-connections-when-closing/m-p/322694#M9695</guid>
      <dc:creator>karl_harris_</dc:creator>
      <dc:date>2012-05-16T16:20:45Z</dc:date>
    </item>
    <item>
      <title>Re: Is VCS aware of multi-threaded pool connections  when closing pooled resources?</title>
      <link>https://connect.hyland.com/t5/nuxeo-forum/is-vcs-aware-of-multi-threaded-pool-connections-when-closing/m-p/322695#M9696</link>
      <description>&lt;P&gt;I noticed the following error in the log&lt;/P&gt;</description>
      <pubDate>Thu, 17 May 2012 19:17:17 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/nuxeo-forum/is-vcs-aware-of-multi-threaded-pool-connections-when-closing/m-p/322695#M9696</guid>
      <dc:creator>karl_harris_</dc:creator>
      <dc:date>2012-05-17T19:17:17Z</dc:date>
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