Why my transaction isn't dirty?

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• Why Distributed Transaction error at the Message bean but not not Backing Bean?

  Hi guys,.

  * Update * I read the second post first.

  Using JDeveloper 12.1.2.0.0 and integrated WebLogic server of the same version.

  I have an ADF program where a draft of the application using JDBC in a message bean.  If I create an Application Module within the project and then sign in using its connection (java: comp/env/jdbc/MyAdfConnDS), then the code below works fine.  However, if I search connection JDBC (jdbc/MyJdbcDS), I have configured in WebLogic myself, then I distributed transaction errors.  How can I configure my JDBC connection to imitate the one who creates the AppModule?  This way I can run prepared explicitly stated and validation of the call?

  Here is my code JDBC

          conn.setAutoCommit(false);
          PreparedStatement statement = conn.prepareStatement(sql);
          statement.setLong(1, companyAccountId);
  // errors here
          statement.execute();
          conn.commit();
          statement.close();
  
  
  

  Which results in the error

  // prepared statement.
  DELETE BUSINESS_PARTNERS WHERE MASTER_TYPE_KEY = 'C' AND COMPANY_ACCOUNT_ID = ?
  java.sql.SQLException: Cannot call commit when using distributed transactions
              at weblogic.jdbc.wrapper.JTAConnection.commit(JTAConnection.java:373)
              at com.sample.myProduct.jms.clients.MyClient.deleteEntities(MyClient.java:211)
              at com.sample.myProduct.jms.clients.MyClient.importData(MyClient.java:155)
              at com.sample.myProduct.jms.beans.ImportMessageBean.onMessage(ImportMessageBean.java:91)
              at weblogic.ejb.container.internal.MDListener.execute(MDListener.java:575)
              at weblogic.ejb.container.internal.MDListener.transactionalOnMessage(MDListener.java:477)
              at weblogic.ejb.container.internal.MDListener.onMessage(MDListener.java:375)
              at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:4855)
              at weblogic.jms.client.JMSSession.execute(JMSSession.java:4529)
              at weblogic.jms.client.JMSSession.executeMessage(JMSSession.java:3976)
              at weblogic.jms.client.JMSSession.access$000(JMSSession.java:120)
              at weblogic.jms.client.JMSSession$UseForRunnable.run(JMSSession.java:5375)
              at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:550)
              at weblogic.work.ExecuteThread.execute(ExecuteThread.java:295)
              at weblogic.work.ExecuteThread.run(ExecuteThread.java:254)
  
  
  

  Here is a screenshot of all the available drivers: www.williverstravels.com/JDev/Forums/Threads/3544909/drivers.png, as well as the configuration of the transaction screen www.williverstravels.com/JDev/Forums/Threads/3544909/config.png

  I've tinkered enough to feel quite strongly, it is not an error in coding, but rather something in Weblogic.  I read what I can, but I don't know how the AppModule creates connections.  I would not add an AppModule just to retrieve its data source / login information if I don't.

  Ideas?

  Obviously, your message bean is configured to participate in a global transaction (for example, a JTA transaction). It is a behavior of the default message bean, even if you have not explicitly configured. When you get and use a JDBC connection in your message bean, this connection is attached to and participates in the overall transaction message bean (because you used compatible driver Oracle XA, it is seen on the 1st screenshot in your post), so you cannot perform local validation on the JDBC connection.

  Commit / rollback in this case can only be performed on the overall transaction (if the message bean is configured with the transactions managed by container) to be automatically or manually on the UserTransaction object (if the message bean is configured with bean-managed transactions). In other words, you must remove the conn.commit () statement, which is erroneous and obsolete when it is used in your message bean. If the message bean uses transactions managed by container, the container will commit / rollback automatically at the end of the method all the resources involved in the overall transaction (including your JDBC connection). If the method completed successfully (without exception), a validation will be performed. If the method fails (i.e., it ends with an exception), a cancellation will be made. If the message bean uses bean-managed transactions, the transaction is committed/restored when you explicitly call UserTransaction.commit () or UserTransaction.rollback ().

  The code above worked in a managed bean because JSF, ADF BC or ADF Faces applications require and participate in JTA transactions, then your JDBC connection has not been attached to a global transaction and you were able to perform local validation on the JDBC connection.

  You have two options to solve the problem. It depends on if you want your operations of JDBC to be in a global transaction with the bean of the message itself and its other actions or not. If they must be in a global transaction, then just remove the conn.commit () statement from your code. If they shouldn't be in a global transaction, you must either configure the message bean not to participate in global transactions or to configure the data source to use the «of the (thin) Oracle driver...» "instead of"Oracle (XA Thin)... driver. " ». (Remember to score the DataSource DO NOT to participate in a global transaction in the 2nd page of the data source configuration dialog in the management of WLS Console).

  NB. I highly recommend that you keep the global transactions. If you choose not to use a global transaction, it can happen that you committed the JDBC operations but an exception that happens after that, so the JMS message is not removed from the queue of messages and it will be processed after that, which causes the same operations of JDBC to be played and committed twice which must be avoided.

  Dimitar

• Why my model isn't updating pages?

  Hello - I'm a beginner and I'm going quietly crazy trying to understand why my model changes are not displayed in my pages.

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