Hi Hugh,
This is strange, the app started working fine again, I will keep an eye in
case this turns up again.
btw, the server did not crash but after I stopped the application there was
quite a load on VOS.
When/if this happens again I will send you the trace logs for inspection
Best,
Dimitris
On Sun, Jun 1, 2014 at 5:20 PM, Hugh Williams <hwilli...@openlinksw.com>
wrote:
> Hi Dimitris
>
> What is happening on the Virtuoso server side as the Virtuoso error is
> "Virtuoso Communications Link Failure (timeout) : Connection to the server
> lost" , so does the server crash and have to be restarted or is it the JDBC
> client the is crash when some operation is performed ? You can turn tracing
> on on the server with "trace_on()" [1] to get extra information in the
> Virtuoso log as to what are the last operations being performed. You can
> also enable the "CallStackOnExcpetion"[2] INI file param to potentially
> obtained more detailed errors on the client side.
>
> Best Regards
> Hugh Williams
> Professional Services
> OpenLink Software, Inc. // http://www.openlinksw.com/
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> Universal Data Access, Integration, and Management Technology Providers
>
> [1] http://docs.openlinksw.com/virtuoso/fn_trace_on.html
> [2]
> http://docs.openlinksw.com/virtuoso/handlingplcondit.html#stacktracesql
>
>
> On 1 Jun 2014, at 09:00, Dimitris Kontokostas <jimk...@gmail.com> wrote:
>
> Hi,
>
> I am using Virtuoso through JDBC to update data in a DB.
> The application was working correctly for a long time now and since 2 days
> ago it doesn't work (out of a suddent) and I am getting the following errors
>
> I restarted the server and my app a few times without luck. Any ideas on
> why this happenned?
> I am using the latest stable 7 release.
>
> Best,
> Dimitris
>
> 114517 [BoneCP-pool-watch-thread] ERROR com.jolbox.bonecp.ConnectionHandle
> - Failed to acquire connection. Sleeping for 7000ms. Attempts left: 5
> virtuoso.jdbc4.VirtuosoException: Virtuoso Communications Link Failure
> (timeout) : Connection reset
> at virtuoso.jdbc4.VirtuosoFuture.nextResult(Unknown Source)
> at virtuoso.jdbc4.VirtuosoConnection.connect(Unknown Source)
> at virtuoso.jdbc4.VirtuosoConnection.connect(Unknown Source)
> at virtuoso.jdbc4.VirtuosoConnection.<init>(Unknown Source)
> at virtuoso.jdbc4.Driver.connect(Unknown Source)
> at java.sql.DriverManager.getConnection(DriverManager.java:571)
> at java.sql.DriverManager.getConnection(DriverManager.java:215)
> at
> com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:256)
> at
> com.jolbox.bonecp.ConnectionHandle.obtainInternalConnection(ConnectionHandle.java:211)
> at
> com.jolbox.bonecp.ConnectionHandle.<init>(ConnectionHandle.java:170)
> at
> com.jolbox.bonecp.PoolWatchThread.fillConnections(PoolWatchThread.java:101)
> at com.jolbox.bonecp.PoolWatchThread.run(PoolWatchThread.java:82)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> 2014-05-30 19:05:22,810 [PageProcessor_N1] WARN
> org.dbpedia.extraction.live.storage.JDBCUtil: Problem during closing :
> Broken pipe
> 114517 [PageProcessor_N1] WARN
> org.dbpedia.extraction.live.storage.JDBCUtil - Problem during closing :
> Broken pipe
> 2014-05-30 19:05:22,810 [PageProcessor_N2] WARN
> org.dbpedia.extraction.live.storage.JDBCUtil: Virtuoso Communications Link
> Failure (timeout) : Connection to the server lost
> 114517 [PageProcessor_N2] WARN
> org.dbpedia.extraction.live.storage.JDBCUtil - Virtuoso Communications
> Link Failure (timeout) : Connection to the server lost
> 2014-05-30 19:05:22,810 [PageProcessor_N3] ERROR
> org.dbpedia.extraction.destinations.SPARULDestination: SPARUL Update for
> page failed
> 114517 [PageProcessor_N3] ERROR
> org.dbpedia.extraction.destinations.SPARULDestination - SPARUL Update for
> page failed
>
>
> --
> Kontokostas Dimitris
>
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>
>
--
Kontokostas Dimitris
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