Re: JDBC : this statement has been closed : postgresql 9

it happens when you access a preparedstatement and the associted
connection is closed. maybe your application was busy/idle for more than
120 seconds. see removeAbandonedTimeout="120"

regards
Thomas

Am 10.11.2010 11:20, schrieb Michael musset:
> Hi,
>
> I'm having a troube in my application :
>
> org.postgresql.util.PSQLException: This statement has been closed.
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement.checkClosed(AbstractJdbc2Statement.java:2508)
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement.getMaxRows(AbstractJdbc2Statement.java:595)
> at
> org.postgresql.jdbc4.Jdbc4Statement.createResultSet(Jdbc4Statement.java:36)
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement$StatementResultHandler.handleResultRows(AbstractJdbc2Statement.java:211)
> at
> org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1795)
> at
> org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:257)
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:500)
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:388)
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:381)
> at
> org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)
> at
> org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)
>
>
> It's happen when I execute my PreparedStatement .
>
>
> Normally it's work well, but in my error log, i found this ....
>
> I'm on ubuntu 10.04 server with a tomcat running.
> i Have multi thread running, but i'm sure that other thread can't interfer
> with that.
>
> And i'm using this :
>
> <Context>
> <Resource name="jdbc/NexessPool"
> auth="Container"
> type="javax.sql.DataSource"
> maxActive="100"
> maxIdle="30"
> maxWait="20000"
> removeAbandoned="true"
> removeAbandonedTimeout="120"
> username="**********"
> password="*********"
> driverClassName="org.postgresql.Driver"
> url="jdbc:postgresql://localhost/database"
> />
> </Context>
>
>
>
> which JDBC i'm using ? this one :
>
> http://ejurka.com/pgsql/jars/xml/
>
> from Kris Jurka ( thx to him )
>
>
> I don't understand why a preparestatement have been close ?
>
>
>
> thx for your help,
>