Some JDBC query takes over 5 minutes after installing Weblogic 7 SP4
After upgrading from weblogic 7 SP1 to SP4, there is one particular database query
that does not return for somewhere between 5 to 7 minutes. We have turned on
database trace and see that the query is done. This query returns about 3000
rows, 15 columns
Downgrading back to SP1 on the same machine fixes the problem.
Server is not hung while this is going. The datasource and connection pool is
available as well.
Thread dump while it is waiting shows the following for the thread that is waiting
for this query:
ExecuteThread: '13' for queue: 'default'" daemon prio=5 tid=0x2ac3b520 nid=0x9f
runnable [0x2bd6e000..0x2bd6fdb8]
at java.net.SocketInputStream.socketRead(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:85)
at oracle.net.ns.Packet.receive(Unknown Source)
at oracle.net.ns.DataPacket.receive(Unknown Source)
at oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.jdbc.ttc7.MAREngine.unmarshalUB1(MAREngine.java:931)
at oracle.jdbc.ttc7.MAREngine.unmarshalSB1(MAREngine.java:893)
at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:375)
at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1892)
at oracle.jdbc.ttc7.TTC7Protocol.fetch(TTC7Protocol.java:1198)
at oracle.jdbc.driver.OracleStatement.doExecuteQuery(OracleStatement.jav
:2504)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStateme
t.java:2832)
at oracle.jdbc.driver.OraclePreparedStatement.doScrollPstmtExecuteUpdate
OraclePreparedStatement.java:4187)
at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePrepar
dStatement.java:642)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePrepare
Statement.java:536)
at weblogic.jdbc.jts.Statement.executeQuery(Statement.java:213)
Getting the latest driver worked. Thanks a lot.
Joe Weinstein <[email protected]> wrote:
Hi. The best thing to do first is to download and install oracle's very
latest version of theit thin driver, and add it to your PRE_CLASSPATH
so you know the server will use the very latest driver they have. Let's
see if that makes a difference.
Joe
Vina Wang wrote:
After upgrading from weblogic 7 SP1 to SP4, there is one particulardatabase query
that does not return for somewhere between 5 to 7 minutes. We haveturned on
database trace and see that the query is done. This query returnsabout 3000
rows, 15 columns
Downgrading back to SP1 on the same machine fixes the problem.
Server is not hung while this is going. The datasource and connectionpool is
available as well.
Thread dump while it is waiting shows the following for the threadthat is waiting
for this query:
ExecuteThread: '13' for queue: 'default'" daemon prio=5 tid=0x2ac3b520nid=0x9f
runnable [0x2bd6e000..0x2bd6fdb8]
at java.net.SocketInputStream.socketRead(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:85)
at oracle.net.ns.Packet.receive(Unknown Source)
at oracle.net.ns.DataPacket.receive(Unknown Source)
at oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.jdbc.ttc7.MAREngine.unmarshalUB1(MAREngine.java:931)
at oracle.jdbc.ttc7.MAREngine.unmarshalSB1(MAREngine.java:893)
at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:375)
at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1892)
at oracle.jdbc.ttc7.TTC7Protocol.fetch(TTC7Protocol.java:1198)
at oracle.jdbc.driver.OracleStatement.doExecuteQuery(OracleStatement.jav
:2504)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStateme
t.java:2832)
at oracle.jdbc.driver.OraclePreparedStatement.doScrollPstmtExecuteUpdate
OraclePreparedStatement.java:4187)
at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePrepar
dStatement.java:642)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePrepare
Statement.java:536)
at weblogic.jdbc.jts.Statement.executeQuery(Statement.java:213)
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