What causes AbstractMethodError: oracle.jdbc.driver.T4CConnection.createClob in JBoss EAP?

Issue

• On startup I get this error, Can you confirm that this error can be ignored?

  WARN  [org.jboss.resource.connectionmanager.TxConnectionManager] (main) Connection error occured: org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener@1b1e8f4[state=NORMAL mc=org.jboss.resource.adapter.jdbc.local.LocalManagedConnection@fc544f handles=1 lastUse=1287685043798 permit=true trackByTx=false mcp=org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool@32181 context=org.jboss.resource.connectionmanager.InternalManagedConnectionPool@18cb5cd xaResource=org.jboss.resource.connectionmanager.TxConnectionManager$LocalXAResource@f3dce4 txSync=null]
  javax.resource.spi.ResourceAdapterInternalException: Unexpected error
    at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.broadcastConnectionError(BaseWrapperManagedConnection.java:409)
    at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.connectionError(BaseWrapperManagedConnection.java:385)
    at org.jboss.resource.adapter.jdbc.WrappedConnection.checkException(WrappedConnection.java:865)
    at org.jboss.resource.adapter.jdbc.jdk6.WrappedConnectionJDK6.createClob(WrappedConnectionJDK6.java:132)
  ...
  Caused by: java.lang.AbstractMethodError: oracle.jdbc.driver.T4CConnection.createClob()Ljava/sql/Clob;
    at org.jboss.resource.adapter.jdbc.jdk6.WrappedConnectionJDK6.createClob(WrappedConnectionJDK6.java:128)
    ... 111 more