Distributed Transactions in Oracle

I have a SP which has explicit commit but it fails in DTC with the following error:
ORA-02089: COMMIT is not allowed in a subordinate session
The functionality that I want to achieve is the Oracle procedure should have commit / rollback when its done and also should praticipate in the DTC.
Iam using .NET transactionscope.

Hi,
You want the procedure to commit regardless of whether the distrib txn commits or rolls back? If you want to do that you'll want to declare the stored procedure with PRAGMA AUTONOMOUS_TRANSACTION
I dont see a way, or reason to, have the procedure under BOTH local txn control and distrib txn control.
Hope it helps,
Greg

Similar Messages

What logging implementation for distributed transaction on Oracle 8?

Hi,
I have a script running on Oracle 8 that accesses remote databases. I would like to create a transaction log that creates log entries in another table as the script progresses. I initially tried creating a logging procedure that used PRAGMA AUTONOMOUS_TRANSACTION but this failed because of this error message:
ORA-00164: autonomous transaction disallowed within distributed transaction
I can't set the transaction to read only as database updates are part of the script.
Is there another strategy that I could use to create the logs I need?
Cheers,
kj

Hi,
I have a script running on Oracle 8 that accesses remote databases. I would like to create a transaction log that creates log entries in another table as the script progresses. I initially tried creating a logging procedure that used PRAGMA AUTONOMOUS_TRANSACTION but this failed because of this error message:
ORA-00164: autonomous transaction disallowed within distributed transaction
I can't set the transaction to read only as database updates are part of the script.
Is there another strategy that I could use to create the logs I need?
Cheers,
kj

Unable to enlist in a distributed transaction (Windows7, Oracle 11G R1)

Hi,
I have a .Net application running on Windows 7 x64 using VisualStudio2008 and Oracle 11G R1 32bit client
In it I call a webservice calling another webservice, this requires to use oramts that interfaces with Microsoft DTC. However I'm getting the following error when calling the service method:
"Unable to enlist in a distributed transaction"
I have checked the following:
- Ora MTS is installed
- DTC is running, the security settings allow AX transactions (in fact I just allowed everything)
- Network services have the permission to access oracle dlls
- The registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSDTC\MTxOCI contains the following: "OracleXaLib"="xa80.dll" "OracleSqlLib"="SQLLib80.dll" "OracleOciLib"="oci.dll" (not sure if this is right)
What is it I'm doing wrong ? Does this version of Oracle work correctly on W7 ?
By the way it works fine on Windows XP !
I've spend quite some time trying to find a resolution..
Thanks!

I think I answered my own question
It seems that MSDTC is not supported by Oracle 11G R1 on Windows x64 !
All Oracle Database components are supported on Windows x64 with the following exceptions:
•Oracle Services for Microsoft Transaction Server are not supported on Windows Vista. As a result, all Oracle Windows data access drivers on Windows Vista that use Oracle Services for Microsoft Transaction Server to enlist in Microsoft Distributed Transaction Coordinator (MSDTC) coordinated transactions cannot participate in those coordinated transactions. These data access drivers include Oracle Data Provider for .NET, Oracle Provider for OLE DB, Oracle Objects for OLE, and ODBC. Check OracleMetaLink for up to date information on Oracle Services for Microsoft Transaction Server certification with Windows Vista.
http://download.oracle.com/docs/cd/B28359_01/install.111/b32006/reqs.htm#CHDCEFIJ
Edited by: 845528 on 18 mars 2011 05:05

Using Distributed Transaction with oracle 9i and VB

How to I get distributed transaction to work between a COM + object in VB and oracle using MSDAORA.1 driver? I keep getting the following error:
error number:
-2147168229
error description:
Cannot connect to the transaction manager or the transaction manager is unavailable.

Oracle 9i works great with VB.NET. I would recommend you to use Oracle Data Provider .NET (ODP.NET) as a database driver
http://otn.oracle.com/tech/windows/odpnet/content.html
for better performance and get full advantage of Oracle 9i features.
Regards
Jagriti
OTN Team @IDC

How to configure distributed transaction in Oracle Database Gateway for ODBC? (ORA-02047)

I am connecting from Oracle to another database server (MS SQL Server, DB2 the error message is the same) through an ODBC connection using Oracle SQL Developer. (This is how I set up)
I want to query the schema of a non-Oracle database using the data dictionary mapping of the Oracle Database Gateway for ODBC.
This works well:
select * from all_tables@katimssql;
But this doesn't:
create table alltables_mssql as
select * from all_tables@katimssql;
Output:
Error report:
SQL Error: ORA-00604: error occurred at recursive SQL level 1
ORA-02047: cannot join the distributed transaction in progress
ORA-06512: at "SYS.HS$_DDTF_SQLTABLES", line 58
ORA-06512: at line 1
Does anyone know the solution of this?
Thanks in advance,
Kata
Details:
Oracle Database 11g Express Edition Release 11.2.0.2.0
Microsoft SQL Server 2008 (SP2) - 10.0.4000.0 (X64)
ODBC Driver: SQL Server Native Client 11.0 (32 bit)
initkatimssql.ora:
HS_FDS_CONNECT_INFO=katimssql
HS_FDS_TRACE_LEVEL = ON
HS_TRANSACTION_MODEL = READ_ONLY_AUTOCOMMIT
I tried these, none of them worked, the error message is the same.
HS_FDS_TRACE_LEVEL = off
HS_TRANSACTION_MODEL = SINGLE_SITE
HS_TRANSACTION_MODEL = READ_ONLY_AUTOCOMMIT
HS_TRANSACTION_MODEL = READ_ONLY

Hi Kata,
this won't work as the ALL_TABLES is not a table that exists in your SQl Server - instead it is a "mimicked" table. This means the gateway will check if you have on your SQL Server a table called all_tables and when there's no table it will start an internal mechanism to check out what sort of tables exist in your SQL Server database. So the gateway is starting internally another transaction to get details from the foreign database and DG4ODBC can't participate in distributed transactions at all. Instead of using all_tables you have to use a real SQL Server table like SQ Server sys.objects or sys.tables.
- Klaus

Weblogic 5.1, Distributed Transaction and Oracle Database Link

We are planning to add a new functionality to run in Weblogic server and it
needs to update tables in two different Oracle databases. Since we are using
Weblogic 5.1 and it is unrealistic to upgrade to 6.1 in short term, we have
to deal with the fact that distributed transaction is not supported by JTS
on 5.1.
One workaround we can think of is to utilize Oracle database link. Instead
of having two connection pools, the application talks to only one database
and access the tables on the other ones through Oracle database link.
Therefore, when a session bean tries to update two tables on database 1 in
one transaction, one of the tables is just a link to the other database. We
hope that even though distributed transaction is not supported by JTS in
Weblogic 5.1, but since it is supported by Orable, it would work.
Do you think the above workaround would work? Does anyone have experience on
something like that?
Thanks in advance,
David Chen
[email protected]

Hi. You should be able to use any JDBC driver with WebLogic 5.1.
It may be the JVM that complains, if you use too old a JVM...
Joe Weinstein at BEA Systems

ORA-00164 Autonomous and Distributed Transactions in Oracle 8i - Forms6i

Hi, in Forms6i I'm using Autonomous transactions (insert and update), and I want to use also a database link to make a query in a remote database (Distributed transaction). Even when this request are done in different PL/SQL within Forms6i, I get the error message ORA-00164 Distributed transactions disallowed within autonomous transactions. Is there a way to avoid this error message?
Thanx

Hello,
I had a similar Problem, when I tried to log errormessages while selecting by db-link.
I use pipes now to send the errormessages. The pipe is read at regular intervals and then I can Insert without using autonomous transactions.
I hope, this will help you
Marcus

Problem in Distributed transaction with Oracle 8.1.7 and Weblogic 7.0

          Hi,
          I am using two unmanaged weblogic 7.0 servers and oracle 8.1.7 enterprise edition.
          I am using oracle.jdbc.xa.client.OracleXADataSource for creating connection pool
          in weblogic. The pool gets created fine but when connection it is getting used
          it throws up following error.
          java.sql.SQLException: ORA-02044: transaction manager login denied: transaction
          in progress
          ORA-06512: at "SYS.JAVA_XA", line 0
          ORA-06512: at line 1
          at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168)
          at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:208)
          at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:543)
          at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1405)
          at oracle.jdbc.ttc7.TTC7Protocol.parseExecuteFetch(TTC7Protocol.java:822)
          at oracle.jdbc.driver.OracleStatement.executeNonQuery(OracleStatement.java:1446)
          at oracle.jdbc.driver.OracleStatement.doExecuteOther(OracleStatement.java:1371)
          at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1900)
          at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:363)
          at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:407)
          at oracle.jdbc.xa.client.OracleXAResource.start(OracleXAResource.java:171)
          at weblogic.jdbc.jta.VendorXAResource.start(VendorXAResource.java:41)
          at weblogic.jdbc.jta.DataSource.start(DataSource.java:569)
          I don't know what is causing this problem.Please send me the pointers.
          Regards,
          Vikash


ID is a NUMBER and id.toString() is not a number, for
example it ca be a null reference.
well we tryed also this version :
ps.setLong(1, id.longValue());
moreover the exception wasn't thrown for the value of id :56 but was thrown for the value of id : 88. Hence I think it is a case of something other than my code.
michal

Does Oracle 8.1.5 with weblogic 6.1 sp2 suppports Distributed Transactions ---A really night Mare

          Which version of jdbc thin driver should i use to achieve distributed transaction
          with oracle 8.1.5 in weblogic 6.1 sp2
          right now if iam using the driver classes provided in weblogic.jar iam gettig the
          following Exception
          AccountBean.ejbCreate( id = accountId, initial balance = $ 3000.0)
          java.sql.SQLException: XA error: XAER_RMERR : A resource manager error has occured
          in the transaction branch start(
          ) failed on resource 'OracleXAPool' Unexpected error during start for XAResource
          'OracleXAPool': null
          at weblogic.jdbc.jta.DataSource.enlist(DataSource.java:1044)
          at weblogic.jdbc.jta.DataSource.refreshXAConnAndEnlist(DataSource.java:1010)
          at weblogic.jdbc.jta.Connection.getXAConn(Connection.java:148)
          at weblogic.jdbc.jta.Connection.prepareStatement(Connection.java:226)
          at weblogic.jdbc.rmi.internal.ConnectionImpl.prepareStatement(ConnectionImpl.java:135)
          at weblogic.jdbc.rmi.SerialConnection.prepareStatement(SerialConnection.java:76)
          at examples.ejb.basic.beanManaged.AccountBean.ejbCreate(Unknown Source)
          at examples.ejb.basic.beanManaged.AccountBean_g1748h_Impl.ejbCreate(AccountBean_g1748h_Impl.java:172)
          at java.lang.reflect.Method.invoke(Native Method)
          at weblogic.ejb20.manager.DBManager.create(DBManager.java:492)
          at weblogic.ejb20.manager.DBManager.remoteCreate(DBManager.java:462)
          at weblogic.ejb20.internal.EntityEJBHome.create(EntityEJBHome.java:190)
          at examples.ejb.basic.beanManaged.AccountBean_g1748h_HomeImpl.create(AccountBean_g1748h_HomeImpl.java:76)
          at examples.ejb.basic.beanManaged.AccountBean_g1748h_HomeImpl_WLSkel.invoke(Unknown
          Source)
          at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:288)
          at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.java:93)
          at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:257)
          at weblogic.rmi.internal.BasicServerRef.dispatch(BasicServerRef.java:158)
          at weblogic.rmi.internal.ServerRequest.sendOneWayRaw(ServerRequest.java:92)
          at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:112)
          at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:253)
          at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:220)
          at weblogic.rmi.internal.ProxyStub.invoke(ProxyStub.java:35)
          at $Proxy126.create(Unknown Source)
          at examples.wtc.atmi.simpapp.ToupperBean.putMessage(ToupperBean.java:194)
          at examples.wtc.atmi.simpapp.ToupperBean_8roqg7_EOImpl.putMessage(ToupperBean_8roqg7_EOImpl.java:284)
          at examples.wtc.atmi.simpapp.ToupperBean_8roqg7_EOImpl_WLSkel.invoke(Unknown
          Source)
          at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:288)
          at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:257)
          at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
          at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
          Regards
          Ranga Rao


          Oracle Server 8.1.5 does not provide support for 2PC.
          Full XA support is provided from version 8.1.7.
          Sergi
          "Lawrence" <[email protected]> wrote:
          >
          >Ranga,
          >Please use classes12.zip for this.If you still find problem, please let
          >me know.
          >Thanks
          >Lawrence
          >
          >"Ranga Rao" <[email protected]> wrote:
          >>
          >>
          >>Which version of jdbc thin driver should i use to achieve distributed transaction
          >>with oracle 8.1.5 in weblogic 6.1 sp2
          >>
          >>right now if iam using the driver classes provided in weblogic.jar iam
          >gettig
          >>the
          >>following Exception
          >>
          >>////////////////////////////////////////////////////////////////////////////////////////////
          >>AccountBean.ejbCreate( id = accountId, initial balance = $ 3000.0)
          >>java.sql.SQLException: XA error: XAER_RMERR : A resource manager error
          >has
          >>occured
          >>in the transaction branch start(
          >>) failed on resource 'OracleXAPool' Unexpected error during start for XAResource
          >>'OracleXAPool': null
          >> at weblogic.jdbc.jta.DataSource.enlist(DataSource.java:1044)
          >> at weblogic.jdbc.jta.DataSource.refreshXAConnAndEnlist(DataSource.java:1010)
          >> at weblogic.jdbc.jta.Connection.getXAConn(Connection.java:148)
          >> at weblogic.jdbc.jta.Connection.prepareStatement(Connection.java:226)
          >> at weblogic.jdbc.rmi.internal.ConnectionImpl.prepareStatement(ConnectionImpl.java:135)
          >> at weblogic.jdbc.rmi.SerialConnection.prepareStatement(SerialConnection.java:76)
          >> at examples.ejb.basic.beanManaged.AccountBean.ejbCreate(Unknown
          >>Source)
          >> at examples.ejb.basic.beanManaged.AccountBean_g1748h_Impl.ejbCreate(AccountBean_g1748h_Impl.java:172)
          >> at java.lang.reflect.Method.invoke(Native Method)
          >> at weblogic.ejb20.manager.DBManager.create(DBManager.java:492)
          >> at weblogic.ejb20.manager.DBManager.remoteCreate(DBManager.java:462)
          >> at weblogic.ejb20.internal.EntityEJBHome.create(EntityEJBHome.java:190)
          >> at examples.ejb.basic.beanManaged.AccountBean_g1748h_HomeImpl.create(AccountBean_g1748h_HomeImpl.java:76)
          >> at examples.ejb.basic.beanManaged.AccountBean_g1748h_HomeImpl_WLSkel.invoke(Unknown
          >>Source)
          >> at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:288)
          >> at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.java:93)
          >> at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:257)
          >> at weblogic.rmi.internal.BasicServerRef.dispatch(BasicServerRef.java:158)
          >> at weblogic.rmi.internal.ServerRequest.sendOneWayRaw(ServerRequest.java:92)
          >> at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:112)
          >> at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:253)
          >> at weblogic.rmi.cluster.ReplicaAwareRemoteRef.invoke(ReplicaAwareRemoteRef.java:220)
          >> at weblogic.rmi.internal.ProxyStub.invoke(ProxyStub.java:35)
          >> at $Proxy126.create(Unknown Source)
          >> at examples.wtc.atmi.simpapp.ToupperBean.putMessage(ToupperBean.java:194)
          >> at examples.wtc.atmi.simpapp.ToupperBean_8roqg7_EOImpl.putMessage(ToupperBean_8roqg7_EOImpl.java:284)
          >> at examples.wtc.atmi.simpapp.ToupperBean_8roqg7_EOImpl_WLSkel.invoke(Unknown
          >>Source)
          >> at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:288)
          >> at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:257)
          >> at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
          >> at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
          >> at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
          >>/////////////////////////////////////////////////////////////////////////////////
          >>
          >>Regards
          >>Ranga Rao
          >>
          >>
          >

Too many distributed transactions

I am programming an application with JDeveloper 10g and ADF Framework. It is a application that only queries data (no modifications). I created ViewObjects based on sql queries and an application module.
The problem is that is I execute that application for some time, I get the following error:
java.sql.SQLException: ORA-02042: too many distributed transactions
     at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:189)
     at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:242)
     at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:554)
     at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java)
     at oracle.jdbc.ttc7.TTC7Protocol.parseExecuteFetch(TTC7Protocol.java:888)
     at oracle.jdbc.driver.OracleStatement.doExecuteQuery(OracleStatement.java:2346)
     at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:2660)
     at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:457)
     at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:387)
     at oracle.jbo.server.QueryCollection.buildResultSet(QueryCollection.java:665)
As it is a query only program, i do not need transactions. How can fix this?
Thanks in advance

Hi,
this is information from metalink:
The ORA-2042 indicates that you should increase the parameter
distributed_transactions.
The ORA-2063 indicates that this must be done at the remote
database.
Explanation
If the distributed transaction table is full on either side of
the database link you get the error ORA-2042:
ORA-02042: "too many distributed transactions"
Cause: the distributed transaction table is full,
because too many distributed transactions are active.
Action: increase the INIT.ORA "distributed_transactions" or
run fewer transactions.
If you are sure you don't have too many concurrent
distributed transactions, this indicates an internal
error and support should be notified.
Instance shutdown/restart would be a workaround.
When the error is generated at the remote database it is
accompanied with an ORA-2063. In this case the parameter
distributed_transactions must be increased at the remote
database.
If there is no ORA-2063 the parameter distributed_transactions
must be increased at the local database.

OLE DB provider 'MSDAORA' was unable to begin a distributed transaction

Hello!
I have following problem:
When I create a linked Server in MSSQL-Server 2000 with "Microsoft OLE DB Provider for Oracle" (MSDAORA) to Oracle 9.2i and try to create a transaction, i get following error message:
The operation could not be performed because the OLE DB provider 'MSDAORA' was unable to begin a distributed transaction.
OLE DB error trace [OLE/DB Provider 'MSDAORA' ITransactionJoin::JoinTransaction returned 0x8004d01b].
I also tried to use the "Oracle Provider for OLE DB", but with this provider i could even not get a connection to the Oracle Server. Error Message:
Error 7302: Could not create an instance of OLE DB provider 'OraOLEDB.Oracle'. OLE DB error trace [Non-interface error: CoCreate of DSO for OraOLEDB.Oracle returned 0x80040154].
Can anybody help me?
(sorry for my bad english)

I don't know if this is much help, but I came across this on the MS site:
http://support.microsoft.com/kb/280106
Message 9
Error 7391: The operation could not be performed because the OLE DB provider 'MSDAORA' does not support distributed transactions. OLE DB error trace [OLE/DB Provider 'MSDAORA' ITransactionJoin::JoinTransaction returned 0x8004d01b]
Verify that the OCI versions are registered correctly as described earlier in this article.
Note If the registry entries are all correct, the MtxOCI.dll file is loaded. If the MtxOCI.dll file is not loaded, you cannot perform distributed transactions against Oracle by using Microsoft OLE DB Provider for Oracle or by using Microsoft ODBC Driver for Oracle. If you are using a third-party provider and you receive Error 7391, verify that the OLE DB provider that you are using supports distributed transactions. If the OLE DB provider does support distributed transactions, verify that the Microsoft Distributed Transaction Coordinator (MSDTC) is running.

"in-doubt distributed transaction" (WLS 8.1 SP2/Oracle 9.2.0.4)

          I've developed an MDB that reads a message from a queue, performs database updates
          against up to 2 databases, and sends an outgoing JMS message when all is complete.
          The MDB uses container-managed transactions to ensure that all DB updates and
          JMS messages are committed or rolled back together. I have had a lot of problems
          related to transactions failing, becoming "in-doubt" in the database and locking
          database resources indefinitely.
          My environment is configured as follows:
          WebLogic 8.1.2 Server
          Oracle 9.2.0.4 database with RAC
          XA Connection Pool with WebLogic Type 2 Oracle Driver OR Oracle 9.2.0.4
          OCI Driver
          I have read the BEA/HP white paper regarding Weblogic 8.1 with Oracle 9i RAC (http://dev2dev.bea.com/products/wlserver81/whitepapers/wls_bea_hp.jsp)
          and have tried all of the solutions suggested in that paper. The only solution
          that worked consistently without causing the in-doubt transactions was to change
          my connection pools to point directly to a single node of the RAC cluster, not
          to the shared instance. However, even with this configuration, I have seen these
          errors occur when certain database failures occur.
          A side-effect of this problem is that the associated WebLogic connection pools
          begin to "forget" connections. The pool thinks that all of the connections are
          in use (even though I am always calling Statement.close() and Connection.close()),
          and the connection pool cannot be reset manually. The only way to clear the connection
          pool is to bounce WebLogic.
          The only posts I have found related to this error were regarding Oracle 8.1.7
          and WebLogic 6.1. Any help would be greatly appreciated.
          Exceptions:
          <Mar 23, 2004 2:59:36 PM EST> <Error> <EJB> <BEA-010026> <Exception occurred during
          commit of transaction Xid=BEA1-0526A28664707F28EDB9(6412513),Status=Rolled back.
          [Reason=javax.transaction.xa.XAException
          : prepare failed for XAResource 'ProfilingPool' with error XAER_NOTA : The XID
          is not valid],numRepliesOwedMe=0,numRepliesOwedOthers=0,seconds since begin=2,seconds
          left=60,XAServerResourceInfo[JMS_my
          JmsStore]=(ServerResourceInfo[JMS_myJmsStore]=(state=rolledback,assigned=myserver),xar=JMS_myJmsStore),XAServerResourceInfo[ProfilingPool]=(ServerResourceInfo[ProfilingPool]=(state=rolledback,ass
          igned=myserver),xar=ProfilingPool),SCInfo[mydomain+myserver]=(state=rolledback),local
          properties=({}),OwnerTransactionManager=ServerTM[ServerCoordinatorDescriptor=(CoordinatorURL=myserver+10.41.0.61:7001+m
          ydomain+t3+, XAResources={JMS_myJmsStore, JMS_FileStore, ProfilingPool, SearchManagementPool,
          AnnouncementsTxPool},NonXAResources={})],CoordinatorURL=myserver+10.41.0.61:7001+mydomain+t3+):
          javax.tran
          saction.xa.XAException: prepare failed for XAResource 'ProfilingPool' with error
          XAER_NOTA : The XID is not valid
          at weblogic.jdbc.oci.xa.XA.createException(XA.java:386)
          at weblogic.jdbc.oci.xa.XADataSource.internalPrepare(XADataSource.java:905)
          at weblogic.jdbc.oci.xa.XADataSource.prepare(XADataSource.java:885)
          at weblogic.jdbc.jta.DataSource.prepare(DataSource.java:846)
          at weblogic.transaction.internal.XAServerResourceInfo.prepare(XAServerResourceInfo.java:1167)
          at weblogic.transaction.internal.XAServerResourceInfo.prepare(XAServerResourceInfo.java:401)
          at weblogic.transaction.internal.ServerSCInfo$1.execute(ServerSCInfo.java:253)
          at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
          --------------- nested within: ------------------
          weblogic.transaction.RollbackException: Could not prepare resource 'ProfilingPool
          prepare failed for XAResource 'ProfilingPool' with error XAER_NOTA : The XID is
          not valid - with nested exception:
          [javax.transaction.xa.XAException: prepare failed for XAResource 'ProfilingPool'
          with error XAER_NOTA : The XID is not valid]
          at weblogic.transaction.internal.TransactionImpl.throwRollbackException(TransactionImpl.java:1644)
          at weblogic.transaction.internal.ServerTransactionImpl.internalCommit(ServerTransactionImpl.java:300)
          at weblogic.transaction.internal.ServerTransactionImpl.commit(ServerTransactionImpl.java:221)
          at weblogic.ejb20.internal.MDListener.execute(MDListener.java:412)
          at weblogic.ejb20.internal.MDListener.transactionalOnMessage(MDListener.java:316)
          at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:281)
          at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2596)
          at weblogic.jms.client.JMSSession.execute(JMSSession.java:2516)
          at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
          2004-03-23 15:00:45,406 ERROR IS003989 [ExecuteThread: '17' for queue: 'ProfileCompleteListenerBean.ExecuteQueue']
          my.package.search.business.ProfiledHoldingDAO.setProfilingStatus(ProfiledHoldingDAO.java:350
          ) - Failed to update profiling status for holding 10014 [] (-2)
          java.sql.SQLException: ORA-02049: timeout: distributed transaction waiting for
          lock
          at weblogic.db.oci.OciCursor.getCDAException(OciCursor.java:282)
          at weblogic.jdbc.oci.PreparedStatement.executeUpdate(PreparedStatement.java:226)
          at weblogic.jdbc.oci.xa.PreparedStatement.executeUpdate(PreparedStatement.java:81)
          at weblogic.jdbc.wrapper.PreparedStatement.executeUpdate(PreparedStatement.java:94)
          at my.package.search.business.ProfiledHoldingDAO.setProfilingStatus(ProfiledHoldingDAO.java:345)
          at my.package.search.business.ProfilingManager.disseminateAndAcknowledge(ProfilingManager.java:254)
          at my.package.search.business.ProfileCompleteListenerBean.onMessage(ProfileCompleteListenerBean.java:128)
          at weblogic.ejb20.internal.MDListener.execute(MDListener.java:382)
          at weblogic.ejb20.internal.MDListener.transactionalOnMessage(MDListener.java:316)
          at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:281)
          at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2596)
          at weblogic.jms.client.JMSSession.execute(JMSSession.java:2516)
          at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
          2004-03-23 15:01:43,093 ERROR IS003989 [ExecuteThread: '18' for queue: 'HoldingStatusListenerBean.ExecuteQueue']
          my.package.search.business.ProfiledHoldingDAO.getProfilingStatus(ProfiledHoldingDAO.java:265)
          - Failed to retrieve profiling results for holding 10060 [] (-2)
          java.sql.SQLException: ORA-01591: lock held by in-doubt distributed transaction
          189.47.12
          at weblogic.db.oci.OciCursor.getCDAException(OciCursor.java:282)
          at weblogic.jdbc.oci.PreparedStatement.executeQuery(PreparedStatement.java:152)
          at weblogic.jdbc.oci.xa.PreparedStatement.executeQuery(PreparedStatement.java:48)
          at weblogic.jdbc.wrapper.PreparedStatement.executeQuery(PreparedStatement.java:80)
          at my.package.search.business.ProfiledHoldingDAO.getProfilingStatus(ProfiledHoldingDAO.java:256)
          at my.package.search.business.ProfiledHoldingDAO.storeHoldingMetadata(ProfiledHoldingDAO.java:489)
          at my.package.search.business.ProfiledHoldingDAO.storeNewHolding(ProfiledHoldingDAO.java:406)
          at my.package.search.business.ProfilingManager.profileHolding(ProfilingManager.java:128)
          at my.package.search.business.HoldingStatusListenerBean.onMessage(HoldingStatusListenerBean.java:121)
          at weblogic.ejb20.internal.MDListener.execute(MDListener.java:382)
          at weblogic.ejb20.internal.MDListener.transactionalOnMessage(MDListener.java:316)
          at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:281)
          at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2596)
          at weblogic.jms.client.JMSSession.execute(JMSSession.java:2516)
          at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
          at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)


Hi. There is a serious bug in the Oracle DBMS (all versions) where in-doubt
          transactions have their data locked in the DBMS by page rather than by row,
          so it will indefinitely prevent access to all data on the page, including
          logically uninvolved data. Oracle understands the problem but currently
          says they will never fix it (it would take too much work). They offer the
          alternative that you configure your table data to ensure that no more than
          one datarow resides on a page.
          Joe
          Matt Smith wrote:
          > I've developed an MDB that reads a message from a queue, performs database updates
          > against up to 2 databases, and sends an outgoing JMS message when all is complete.
          > The MDB uses container-managed transactions to ensure that all DB updates and
          > JMS messages are committed or rolled back together. I have had a lot of problems
          > related to transactions failing, becoming "in-doubt" in the database and locking
          > database resources indefinitely.
          >
          > My environment is configured as follows:
          > WebLogic 8.1.2 Server
          > Oracle 9.2.0.4 database with RAC
          > XA Connection Pool with WebLogic Type 2 Oracle Driver OR Oracle 9.2.0.4
          > OCI Driver
          >
          > I have read the BEA/HP white paper regarding Weblogic 8.1 with Oracle 9i RAC (http://dev2dev.bea.com/products/wlserver81/whitepapers/wls_bea_hp.jsp)
          > and have tried all of the solutions suggested in that paper. The only solution
          > that worked consistently without causing the in-doubt transactions was to change
          > my connection pools to point directly to a single node of the RAC cluster, not
          > to the shared instance. However, even with this configuration, I have seen these
          > errors occur when certain database failures occur.
          >
          > A side-effect of this problem is that the associated WebLogic connection pools
          > begin to "forget" connections. The pool thinks that all of the connections are
          > in use (even though I am always calling Statement.close() and Connection.close()),
          > and the connection pool cannot be reset manually. The only way to clear the connection
          > pool is to bounce WebLogic.
          >
          > The only posts I have found related to this error were regarding Oracle 8.1.7
          > and WebLogic 6.1. Any help would be greatly appreciated.
          >
          > Exceptions:
          > -----------------
          > <Mar 23, 2004 2:59:36 PM EST> <Error> <EJB> <BEA-010026> <Exception occurred during
          > commit of transaction Xid=BEA1-0526A28664707F28EDB9(6412513),Status=Rolled back.
          > [Reason=javax.transaction.xa.XAException
          > : prepare failed for XAResource 'ProfilingPool' with error XAER_NOTA : The XID
          > is not valid],numRepliesOwedMe=0,numRepliesOwedOthers=0,seconds since begin=2,seconds
          > left=60,XAServerResourceInfo[JMS_my
          > JmsStore]=(ServerResourceInfo[JMS_myJmsStore]=(state=rolledback,assigned=myserver),xar=JMS_myJmsStore),XAServerResourceInfo[ProfilingPool]=(ServerResourceInfo[ProfilingPool]=(state=rolledback,ass
          > igned=myserver),xar=ProfilingPool),SCInfo[mydomain+myserver]=(state=rolledback),local
          > properties=({}),OwnerTransactionManager=ServerTM[ServerCoordinatorDescriptor=(CoordinatorURL=myserver+10.41.0.61:7001+m
          > ydomain+t3+, XAResources={JMS_myJmsStore, JMS_FileStore, ProfilingPool, SearchManagementPool,
          > AnnouncementsTxPool},NonXAResources={})],CoordinatorURL=myserver+10.41.0.61:7001+mydomain+t3+):
          > javax.tran
          > saction.xa.XAException: prepare failed for XAResource 'ProfilingPool' with error
          > XAER_NOTA : The XID is not valid
          > at weblogic.jdbc.oci.xa.XA.createException(XA.java:386)
          > at weblogic.jdbc.oci.xa.XADataSource.internalPrepare(XADataSource.java:905)
          > at weblogic.jdbc.oci.xa.XADataSource.prepare(XADataSource.java:885)
          > at weblogic.jdbc.jta.DataSource.prepare(DataSource.java:846)
          > at weblogic.transaction.internal.XAServerResourceInfo.prepare(XAServerResourceInfo.java:1167)
          > at weblogic.transaction.internal.XAServerResourceInfo.prepare(XAServerResourceInfo.java:401)
          > at weblogic.transaction.internal.ServerSCInfo$1.execute(ServerSCInfo.java:253)
          > at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
          > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
          > --------------- nested within: ------------------
          > weblogic.transaction.RollbackException: Could not prepare resource 'ProfilingPool
          > prepare failed for XAResource 'ProfilingPool' with error XAER_NOTA : The XID is
          > not valid - with nested exception:
          > [javax.transaction.xa.XAException: prepare failed for XAResource 'ProfilingPool'
          > with error XAER_NOTA : The XID is not valid]
          > at weblogic.transaction.internal.TransactionImpl.throwRollbackException(TransactionImpl.java:1644)
          > at weblogic.transaction.internal.ServerTransactionImpl.internalCommit(ServerTransactionImpl.java:300)
          > at weblogic.transaction.internal.ServerTransactionImpl.commit(ServerTransactionImpl.java:221)
          > at weblogic.ejb20.internal.MDListener.execute(MDListener.java:412)
          > at weblogic.ejb20.internal.MDListener.transactionalOnMessage(MDListener.java:316)
          > at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:281)
          > at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2596)
          > at weblogic.jms.client.JMSSession.execute(JMSSession.java:2516)
          > at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
          > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
          > ...
          > 2004-03-23 15:00:45,406 ERROR IS003989 [ExecuteThread: '17' for queue: 'ProfileCompleteListenerBean.ExecuteQueue']
          > my.package.search.business.ProfiledHoldingDAO.setProfilingStatus(ProfiledHoldingDAO.java:350
          > ) - Failed to update profiling status for holding 10014 [] (-2)
          > java.sql.SQLException: ORA-02049: timeout: distributed transaction waiting for
          > lock
          > at weblogic.db.oci.OciCursor.getCDAException(OciCursor.java:282)
          > at weblogic.jdbc.oci.PreparedStatement.executeUpdate(PreparedStatement.java:226)
          > at weblogic.jdbc.oci.xa.PreparedStatement.executeUpdate(PreparedStatement.java:81)
          > at weblogic.jdbc.wrapper.PreparedStatement.executeUpdate(PreparedStatement.java:94)
          > at my.package.search.business.ProfiledHoldingDAO.setProfilingStatus(ProfiledHoldingDAO.java:345)
          > at my.package.search.business.ProfilingManager.disseminateAndAcknowledge(ProfilingManager.java:254)
          > at my.package.search.business.ProfileCompleteListenerBean.onMessage(ProfileCompleteListenerBean.java:128)
          > at weblogic.ejb20.internal.MDListener.execute(MDListener.java:382)
          > at weblogic.ejb20.internal.MDListener.transactionalOnMessage(MDListener.java:316)
          > at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:281)
          > at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2596)
          > at weblogic.jms.client.JMSSession.execute(JMSSession.java:2516)
          > at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
          > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
          > ...
          > 2004-03-23 15:01:43,093 ERROR IS003989 [ExecuteThread: '18' for queue: 'HoldingStatusListenerBean.ExecuteQueue']
          > my.package.search.business.ProfiledHoldingDAO.getProfilingStatus(ProfiledHoldingDAO.java:265)
          > - Failed to retrieve profiling results for holding 10060 [] (-2)
          > java.sql.SQLException: ORA-01591: lock held by in-doubt distributed transaction
          > 189.47.12
          > at weblogic.db.oci.OciCursor.getCDAException(OciCursor.java:282)
          > at weblogic.jdbc.oci.PreparedStatement.executeQuery(PreparedStatement.java:152)
          > at weblogic.jdbc.oci.xa.PreparedStatement.executeQuery(PreparedStatement.java:48)
          > at weblogic.jdbc.wrapper.PreparedStatement.executeQuery(PreparedStatement.java:80)
          > at my.package.search.business.ProfiledHoldingDAO.getProfilingStatus(ProfiledHoldingDAO.java:256)
          > at my.package.search.business.ProfiledHoldingDAO.storeHoldingMetadata(ProfiledHoldingDAO.java:489)
          > at my.package.search.business.ProfiledHoldingDAO.storeNewHolding(ProfiledHoldingDAO.java:406)
          > at my.package.search.business.ProfilingManager.profileHolding(ProfilingManager.java:128)
          > at my.package.search.business.HoldingStatusListenerBean.onMessage(HoldingStatusListenerBean.java:121)
          > at weblogic.ejb20.internal.MDListener.execute(MDListener.java:382)
          > at weblogic.ejb20.internal.MDListener.transactionalOnMessage(MDListener.java:316)
          > at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:281)
          > at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2596)
          > at weblogic.jms.client.JMSSession.execute(JMSSession.java:2516)
          > at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
          > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
          >
          >

Distributed Transaction Processing Services in Oracle RAC 11.2

Hi,
Do we have to set the DTP parameter to TRUE for workload services that are going to be used for distributed transaction processing?
Something like this ...
srvctl modify service -d crm -s xa_01.service.us.oracle.com -x TRUE
Oracle 11.2 document is not very clear on this requirement. At one stage it says...
"Tightly coupled XA transactions no longer require the special type of singleton services (that is, Oracle Distributed Transaction Processing (DTP) services) to be deployed on Oracle RAC database. XA transactions are transparently supported on Oracle RAC databases with any type of services configuration."
But at the end of the same section...
"An external transaction manager, such as OraMTS, coordinates DTP/XA transactions. However, an internal Oracle transaction manager coordinates distributed SQL transactions. Both DTP/XA and distributed SQL transactions must use the DTP service in Oracle RAC."
So do we have to use DTP services with RAC or not?
Thanks,
-Sanjeev
Edited by: user12219014 on 28 Jan, 2011 8:04 PM

Hi Sanjeev,
I have some critical applications using Tuxedo on 10gR1/R2 RAC databases and there is no doubt to have with this versions.
Starting with 11gR1 it seems the main limitation is over...but there are still limitations ! To be honest I will keep the DTP parameter to true after the migration in 11.2 to avoid any problem. It is still recommended even if not mandatory :
To provide improved application performance with distributed transaction processing in Oracle RAC, you may want to take advantage of DTP services. Using DTP services, you can direct all branches of a distributed transaction to a single instance in the cluster. To load balance across the cluster, it is better to have several groups of smaller application servers with each group directing its transactions to a single service, or set of services, than to have one or two larger application servers.
Also check note 462060.1.
Best regards
Phil
Edited by: Philippe Florent on Jan 30, 2011 10:07 AM -- add documentation precision

Distributed Transaction Processing Services in Oracle 11.2

Hi,
Do we have to set the DTP parameter to TRUE for workload services that are going to be used for distributed transaction processing?
Something like this ...
srvctl modify service -d crm -s xa_01.service.us.oracle.com -x TRUE
Oracle 11.2 document is not very clear on this requirement. At one stage it says...
"Tightly coupled XA transactions no longer require the special type of singleton services (that is, Oracle Distributed Transaction Processing (DTP) services) to be deployed on Oracle RAC database. XA transactions are transparently supported on Oracle RAC databases with any type of services configuration."
But at the end of the same section...
"An external transaction manager, such as OraMTS, coordinates DTP/XA transactions. However, an internal Oracle transaction manager coordinates distributed SQL transactions. Both DTP/XA and distributed SQL transactions must use the DTP service in Oracle RAC."
So do we have to use DTP services with RAC or not?
Thanks,
-Sanjeev

Hi Sanjeev,
I have some critical applications using Tuxedo on 10gR1/R2 RAC databases and there is no doubt to have with this versions.
Starting with 11gR1 it seems the main limitation is over...but there are still limitations ! To be honest I will keep the DTP parameter to true after the migration in 11.2 to avoid any problem. It is still recommended even if not mandatory :
To provide improved application performance with distributed transaction processing in Oracle RAC, you may want to take advantage of DTP services. Using DTP services, you can direct all branches of a distributed transaction to a single instance in the cluster. To load balance across the cluster, it is better to have several groups of smaller application servers with each group directing its transactions to a single service, or set of services, than to have one or two larger application servers.
Also check note 462060.1.
Best regards
Phil
Edited by: Philippe Florent on Jan 30, 2011 10:07 AM -- add documentation precision

Oracle Link for Distributed Transaction

In my application, I've to integrate two system (or I would say two separate instances of Oracle databases) through a Java Program.
Program will copy some data (approximately 100 records/hour) from one instance of Oracle database and transfer the same to other instance of Oracle and Vice versa. Since this is going to be a stand alone batch application, I thought of using Distributed Transaction Manager like JBOSS TM for controlling distributed transaction.
Is this approach right? Or can you suggest me any other better approach for this job?

853627 wrote:
I do agree with your Oracle Link explanation, and Yes that would be ideal to have in this case. For some reason, I'm forced to use the Java way.
Why i'm using the distributed transaction because, I'm following certain steps to complete one iteration:
1) Read the data from Database A,
2) Move the data to Database B
3) After successful execution of Step 1 and 2, There is another table in Database A where I need to mark that certain records have been migrated from Database 'A' to 'B'
4) After that I've to update a summary table with details of the migration like : Number of records read, Time when this routine completed, any validation error in records etc..Distributed transactions require database level support and complications.
But I don't see anything that suggests you need this.
First step is no transaction based.
Only failure point is between 2 and 3/4. And I suspect you could handle that with a tracking table in A.
1) Start transaction, Read the data from Database A, Update tracking table, end transaction.
2) Move the data to Database B
3) Start Transaction
4) After successful execution of Step 1 and 2, There is another table in Database A where I need to mark that certain records have been migrated from Database 'A' to 'B'
5) (Presumably A) After that I've to update a summary table with details of the migration like : Number of records read, Time when this routine completed, any validation error in records etc..
6) Clean tracking table
7) End transaction.
If there is a failure, then use the tracking table to facilate correction.

Distributed Transactions in Oracle

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