iSeries DB2 problem with using @GeneratedValue(strategy=GenerationType.IDENTITY)
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                 Key: OPENJPA-1853
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1853
             Project: OpenJPA
          Issue Type: Bug
          Components: sql
    Affects Versions: 2.0.1, 2.0.0
         Environment: DB2 on IBM iSeries V5R4, jt400.jar (JTOpen)
            Reporter: Andreas Tomik
            Priority: Critical


I get the following error when I try to insert new row to a table that has a 
"generated always Identity" Column.


Exception in thread "main" <openjpa-2.0.1-r422266:989424 fatal store error> 
org.apache.openjpa.persistence.RollbackException: An error occurred attempting 
to invoke JDBC 3 method.  Your driver or database may not support JDBC 3 
features.
        at 
org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:584)
        at 
de.meyerwerft.qs.laborpruef.laborprobe.dbaccess.LaborprobeBean.crtTest(LaborprobeBean.java:38)
        at de.meyerwerft.test.JSE_Client.jlm_run(JSE_Client.java:35)
        at de.meyerwerft.test.JSE_Client.<init>(JSE_Client.java:10)
        at de.meyerwerft.test.JSE_Client.main(JSE_Client.java:17)
Caused by: <openjpa-2.0.1-r422266:989424 nonfatal general error> 
org.apache.openjpa.persistence.PersistenceException: An error occurred 
attempting to invoke JDBC 3 method.  Your driver or database may not support 
JDBC 3 features.
        at 
org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1963)
        at 
org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.java:81)
        at org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1479)
        at 
org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBroker.java:925)
        at 
org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.java:560)
        ... 4 more
Caused by: org.apache.commons.lang.exception.NestableRuntimeException: An error 
occurred attempting to invoke JDBC 3 method.  Your driver or database may not 
support JDBC 3 features.
        at 
org.apache.openjpa.lib.jdbc.DelegatingConnection.invokeJDBC3(DelegatingConnection.java:597)
        at 
org.apache.openjpa.lib.jdbc.DelegatingConnection.prepareStatement(DelegatingConnection.java:577)
        at 
org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection.prepareStatement(LoggingConnectionDecorator.java:571)
        at 
org.apache.openjpa.lib.jdbc.DelegatingConnection.prepareStatement(DelegatingConnection.java:571)
        at 
org.apache.openjpa.lib.jdbc.DelegatingConnection.prepareStatement(DelegatingConnection.java:571)
        at 
org.apache.openjpa.lib.jdbc.DelegatingConnection.prepareStatement(DelegatingConnection.java:563)
        at 
org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.prepareStatement(PreparedStatementManagerImpl.java:287)
        at 
org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushAndUpdate(PreparedStatementManagerImpl.java:112)
        at 
org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushAndUpdate(BatchingPreparedStatementManagerImpl.java:81)
        at 
org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushInternal(PreparedStatementManagerImpl.java:99)
        at 
org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flush(PreparedStatementManagerImpl.java:87)
        at 
org.apache.openjpa.jdbc.kernel.ConstraintUpdateManager.flush(ConstraintUpdateManager.java:550)
        at 
org.apache.openjpa.jdbc.kernel.ConstraintUpdateManager.flush(ConstraintUpdateManager.java:106)
        at 
org.apache.openjpa.jdbc.kernel.BatchingConstraintUpdateManager.flush(BatchingConstraintUpdateManager.java:59)
        at 
org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:103)
        at 
org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateManager.java:76)
        at 
org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStoreManager.java:731)
        at 
org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManager.java:131)
        at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2139)
        at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:2037)
        at 
org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:1955)
        ... 8 more
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.openjpa.lib.jdbc.DelegatingConnection.invokeJDBC3(DelegatingConnection.java:593)
        ... 28 more
Caused by: java.sql.SQLException: The driver does not support this function.
        at com.ibm.as400.access.JDError.throwSQLException(JDError.java:415)
        at 
com.ibm.as400.access.AS400JDBCConnection.prepareStatement(AS400JDBCConnection.java:2210)
        ... 33 more



I have the following in persistence.xml
...
<property name="openjpa.jdbc.DBDictionary" value="db2"/> 
<property name="openjpa.ConnectionDriverName" 
value="com.ibm.as400.access.AS400JDBCDriver"/>
<property name="openjpa.ConnectionURL" value="jdbc:as400://myserver/myschema"/>
...


In Version 1.2.3 this function works fine.


Thank you,
Andreas Tomik

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