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  1.  Home
  2. JAVA400-L
  3. January 2005

Connection Pooling issue

I would check your connection properties to assure that connections from the
pool are being appropriately cleaned up.  We had some issues with this
connecting web logic to the i5.

Joe


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On Behalf Of java400-l-request@xxxxxxxxxxxx
Sent: Friday, January 28, 2005 12:01 PM
To: java400-l@xxxxxxxxxxxx
Subject: JAVA400-L Digest, Vol 3, Issue 41

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Today's Topics:

   1. Internal driver error (No buffer space available) (LaPlante, Troy)
   2. RE: Internal driver error (No buffer space available)
      (Colin Williams)


----------------------------------------------------------------------

message: 1
date: Fri, 28 Jan 2005 08:42:00 -0600
from: "LaPlante, Troy" <Troy.LaPlante@xxxxxxxxxxxxxxxxxxx>
subject: Internal driver error (No buffer space available)

We have a Java application running on a Weblogic server using the
com.ibm.as400.access.AS400JDBCDriver from the JT400 toolkit.  After the
program has been running for a couple of weeks, we receive the following
SQLException.  I can see that the connections are being closed in the
JDBC log.  What are the other causes of this error?



java.sql.SQLException: Internal driver error.(No buffer space available
(maximum connections reached?): recv failed)
        at
com.ibm.as400.access.JDError.throwSQLException(JDError.java:336)
        at
com.ibm.as400.access.AS400JDBCConnection.send(AS400JDBCConnection.java:1
672)
        at
com.ibm.as400.access.AS400JDBCConnection.send(AS400JDBCConnection.java:1
583)
        at
com.ibm.as400.access.AS400JDBCStatement.syncRPB(AS400JDBCStatement.java:
2152)
        at
com.ibm.as400.access.AS400JDBCStatement.commonPrepare(AS400JDBCStatement
.java:979)
        at
com.ibm.as400.access.AS400JDBCStatement.execute(AS400JDBCStatement.java:
1162)
        at
weblogic.jdbc.common.internal.ConnectionEnv.test(ConnectionEnv.java:665)
        at
weblogic.jdbc.common.internal.ConnectionEnv.test(ConnectionEnv.java:386)
        at
weblogic.common.resourcepool.ResourcePoolImpl.checkResource(ResourcePool
Impl.java:1454)
        at
weblogic.common.resourcepool.ResourcePoolImpl.checkAndReturnResource(Res
ourcePoolImpl.java:1350)
        at
weblogic.common.resourcepool.ResourcePoolImpl.reserveResource(ResourcePo
olImpl.java:281)
        at
weblogic.common.resourcepool.ResourcePoolImpl.reserveResource(ResourcePo
olImpl.java:252)
        at
weblogic.jdbc.common.internal.ConnectionPool.reserve(ConnectionPool.java
:428)
        at
weblogic.jdbc.common.internal.ConnectionPoolManager.reserve(ConnectionPo
olManager.java:78)
        at
weblogic.jdbc.common.internal.ConnectionPoolManager.reserve(ConnectionPo
olManager.java:85)
        at weblogic.jdbc.pool.Driver.connect(Driver.java:145)
        at weblogic.jdbc.jts.Driver.getNonTxConnection(Driver.java:444)
        at weblogic.jdbc.jts.Driver.connect(Driver.java:138)
        at
weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSource.
java:305)
        at
com.harley_davidson.pave.submit_queue.data_access.DataSourceManager.open
Connection(DataSourceManager.java:119)
        at
com.harley_davidson.pave.submit_queue.data_access.DataSourceManager.hand
leTransaction(DataSourceManager.java:32)
        at
com.harley_davidson.pave.submit_queue.data_access.QueueDataAccess.prepar
eUpdateState(QueueDataAccess.java:83)
        at
com.harley_davidson.pave.submit_queue.data_access.QueueDataAccess.prepar
eQueueRequestForRetry(QueueDataAccess.java:113)
        at
com.harley_davidson.pave.submit_queue.RequestDispatcher.prepareRequestFo
rProcessing(RequestDispatcher.java:138)
        at
com.harley_davidson.pave.submit_queue.RequestDispatcher.dispatchRequests
(RequestDispatcher.java:88)
        at
com.harley_davidson.pave.submit_queue.QueueManager.dispatchRetryRequests
WhileQueueNotEmpty(QueueManager.java:256)
        at
com.harley_davidson.pave.submit_queue.QueueManager.scanQueueUntilSuspend
ed(QueueManager.java:244)
        at
com.harley_davidson.pave.submit_queue.QueueManager.access$100(QueueManag
er.java:25)
        at
com.harley_davidson.pave.submit_queue.QueueManager$1.run(QueueManager.ja
va:73)
        at java.lang.Thread.run(Thread.java:536)
SQLException: SQLState(HY000) vendor code(-99999)



------------------------------

message: 2
date: Fri, 28 Jan 2005 14:57:11 -0000
from: Colin Williams <colin.williams@xxxxxxxxxxxx>
subject: RE: Internal driver error (No buffer space available)

Troy,

Have you tried running with a different version of the driver to see if you
get the same error?

cheers
Colin.W

http://as400blog.blogspot.com
 
Extension   5800
Direct dial   0870 429 5800


-----Original Message-----
From: LaPlante, Troy [mailto:Troy.LaPlante@xxxxxxxxxxxxxxxxxxx] 
Sent: 28 January 2005 14:42
To: java400-l@xxxxxxxxxxxx
Subject: Internal driver error (No buffer space available)


We have a Java application running on a Weblogic server using the
com.ibm.as400.access.AS400JDBCDriver from the JT400 toolkit.  After the
program has been running for a couple of weeks, we receive the following
SQLException.  I can see that the connections are being closed in the JDBC
log.  What are the other causes of this error?



java.sql.SQLException: Internal driver error.(No buffer space available
(maximum connections reached?): recv failed)
        at
com.ibm.as400.access.JDError.throwSQLException(JDError.java:336)
        at
com.ibm.as400.access.AS400JDBCConnection.send(AS400JDBCConnection.java:1
672)
        at
com.ibm.as400.access.AS400JDBCConnection.send(AS400JDBCConnection.java:1
583)
        at
com.ibm.as400.access.AS400JDBCStatement.syncRPB(AS400JDBCStatement.java:
2152)
        at
com.ibm.as400.access.AS400JDBCStatement.commonPrepare(AS400JDBCStatement
.java:979)
        at
com.ibm.as400.access.AS400JDBCStatement.execute(AS400JDBCStatement.java:
1162)
        at
weblogic.jdbc.common.internal.ConnectionEnv.test(ConnectionEnv.java:665)
        at
weblogic.jdbc.common.internal.ConnectionEnv.test(ConnectionEnv.java:386)
        at
weblogic.common.resourcepool.ResourcePoolImpl.checkResource(ResourcePool
Impl.java:1454)
        at
weblogic.common.resourcepool.ResourcePoolImpl.checkAndReturnResource(Res
ourcePoolImpl.java:1350)
        at
weblogic.common.resourcepool.ResourcePoolImpl.reserveResource(ResourcePo
olImpl.java:281)
        at
weblogic.common.resourcepool.ResourcePoolImpl.reserveResource(ResourcePo
olImpl.java:252)
        at
weblogic.jdbc.common.internal.ConnectionPool.reserve(ConnectionPool.java
:428)
        at
weblogic.jdbc.common.internal.ConnectionPoolManager.reserve(ConnectionPo
olManager.java:78)
        at
weblogic.jdbc.common.internal.ConnectionPoolManager.reserve(ConnectionPo
olManager.java:85)
        at weblogic.jdbc.pool.Driver.connect(Driver.java:145)
        at weblogic.jdbc.jts.Driver.getNonTxConnection(Driver.java:444)
        at weblogic.jdbc.jts.Driver.connect(Driver.java:138)
        at
weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSource.
java:305)
        at
com.harley_davidson.pave.submit_queue.data_access.DataSourceManager.open
Connection(DataSourceManager.java:119)
        at
com.harley_davidson.pave.submit_queue.data_access.DataSourceManager.hand
leTransaction(DataSourceManager.java:32)
        at
com.harley_davidson.pave.submit_queue.data_access.QueueDataAccess.prepar
eUpdateState(QueueDataAccess.java:83)
        at
com.harley_davidson.pave.submit_queue.data_access.QueueDataAccess.prepar
eQueueRequestForRetry(QueueDataAccess.java:113)
        at
com.harley_davidson.pave.submit_queue.RequestDispatcher.prepareRequestFo
rProcessing(RequestDispatcher.java:138)
        at
com.harley_davidson.pave.submit_queue.RequestDispatcher.dispatchRequests
(RequestDispatcher.java:88)
        at
com.harley_davidson.pave.submit_queue.QueueManager.dispatchRetryRequests
WhileQueueNotEmpty(QueueManager.java:256)
        at
com.harley_davidson.pave.submit_queue.QueueManager.scanQueueUntilSuspend
ed(QueueManager.java:244)
        at
com.harley_davidson.pave.submit_queue.QueueManager.access$100(QueueManag
er.java:25)
        at
com.harley_davidson.pave.submit_queue.QueueManager$1.run(QueueManager.ja
va:73)
        at java.lang.Thread.run(Thread.java:536)
SQLException: SQLState(HY000) vendor code(-99999)

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