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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » ORA-01000: maximum open cursors exceeded

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SANTYP
PostPosted: Thu Jan 27, 2011 11:35 pm    Post subject: ORA-01000: maximum open cursors exceeded Reply with quote

Centurion

Joined: 27 Mar 2007
Posts: 142
Hi all,
I am getting following exception while trying to connect Oracle using ODBC connection..

Details are as follows..
ORA-01000: maximum open cursors exceeded
|oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:125)|oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:316)|oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:282)|oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:639)|oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:113)|oracle.jdbc.driver.T4CStatement.execute_for_describe(T4CStatement.java:431)|oracle.jdbc.driver.OracleStatement.execute_maybe_describe(OracleStatement.java:965)|oracle.jdbc.driver.T4CStatement.execute_maybe_describe(T4CStatement.java:463)|oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1051)|oracle.jdbc.driver.OracleStatement.executeQuery(OracleStatement.java:1184)

I my broker runtime version is 7.0
and oracle 10g

as per my DBA he max opencursours he set was 1200 , also.. he can see the number of opencursour are 312..

can any one please help me out on this... this is a prod issue..
help is highly appreciated
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lancelotlinc
PostPosted: Fri Jan 28, 2011 5:53 am    Post subject: Reply with quote

Jedi Knight

Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
This should help:

http://asktom.oracle.com/pls/asktom/f?p=100:11:0::NO::P11_QUESTION_ID:685336504294

Your application may be "leaking" cursors. Similar to memory leak.

There is a limit on the server side and also a limit on the ODBC conx side. The server side limit looks ok from your report, but your application may not have properly disposed of old cursors on the client side.

Has the app been running a long time when this error appears or does it appear relatively soon after restart?
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