[opencms-dev] Failed to write locks to database

[Nuno Fernandes]

Any more info?

In "New Features in OpenCms 7.0.2" we can see:

"Added new database tool to remove "hanging" publish locks."

Does anyone know anything about this tool?

Thanks
Nuno Fernandes

On Wednesday 23 January 2008 16:16:06 Nuno Fernandes wrote:
> On Tuesday 22 January 2008 23:13:43 RuiXian BAO wrote:
> > Hello,
> >
> > On 1/22/08, Nuno Fernandes <npf-mlists at eurotux.com> wrote:
> > > Hi,
> > >
> > > I'm having this problem:
> > >
> > > 21 Jan 2008 19:06:40,146 ERROR [rg.opencms.main.CmsThreadStore: 190]
> > > Failed to
> > >
> > > write locks to database.
> >
> > Is your database still up and running? Can you connect to it from the
> > command line?
>
> Yes.. It's running. When i stop and start tomcat the website works again
> but after sometime i see the error again and the website turns inacessible.
>
>  I do a processlist at that time but nothing is connected to the database.
>
> Thanks for any info.
> Nuno Fernandes
>
> > Best
> >
> > - RuiXian
> >
> >
> > org.opencms.db.CmsDbSqlException: An SQL error occurred when executing
> > the
> >
> > > following query: com.mysql.jdbc.PreparedStatement at 4904c8: statement has
> > > been
> > >
> > > close
> > >
> > > d, no further internal information available.
> > >
> > > at
> > >
> > > org.opencms.db.generic.CmsProjectDriver.writeLocks(CmsProjectDriver.jav
> > >a
> > >
> > > :2177)
> > >
> > > at org.opencms.lock.CmsLockManager.writeLocks(CmsLockManager.java:582)
> > >
> > > at
> > >
> > > org.opencms.db.CmsDriverManager.writeLocks(CmsDriverManager.java:7920)
> > >
> > > at
> > >
> > > org.opencms.db.CmsSecurityManager.writeLocks(CmsSecurityManager.java:50
> > >91 )
> > >
> > > at org.opencms.main.CmsThreadStore.run(CmsThreadStore.java:187)
> > >
> > > Caused by: com.mysql.jdbc.CommunicationsException: Communications link
> > > failure
> > >
> > > due to underlying exception:
> > >
> > > ** BEGIN NESTED EXCEPTION **
> > >
> > > java.io.EOFException
> > >
> > > MESSAGE: Can not read response from server. Expected to read 4 bytes,
> > > read 0
> > >
> > > bytes before connection was unexpectedly lost.
> > >
> > > STACKTRACE:
> > >
> > > java.io.EOFException: Can not read response from server. Expected to
> > > read 4
> > >
> > > bytes, read 0 bytes before connection was unexpectedly lost.
> > >
> > > at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997)
> > >
> > > at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2411)
> > >
> > > ..
> > >
> > > I've googled around and didn't find anything related. I'm using two
> > > machines
> > >
> > > 1 - webserver
> > >
> > > centos5 (i386)
> > >
> > > apache-tomcat-6.0.14
> > >
> > > jdk-1.6.0_03-fcs
> > >
> > > opencms 7.0.3
> > >
> > > 2 - db server
> > >
> > > centos5 (x86_64)
> > >
> > > mysql 5
> > >
> > > Any info?
> > >
> > > Thanks,
> > >
> > > Nuno Fernandes
> > >
> > >
> > > _______________________________________________
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>
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