Java.lang.LinkageError While Creating Entities from Tables Using WLS Datasource in JDeveloper 12.1.3.0.0 (Doc ID 2706428.1)

Last updated on DECEMBER 02, 2021

Applies to:

Symptoms

When creating "Entities from Tables" using JDeveloper 12.1.3, by following these steps:

• Open JDeveloper 12.1.3.0.0
• Start the Integrated WebLogic server
• Create Datasource
• In JDeveloper, create new fusion application
• From New Gallery, choose EJB - Entities from tables
• In the wizard, select JPA version in step 1 of 9
• Navigate to Type of connection step (Step 3 of 9) and choose "Application Server data source"
• Choose application server connection
• Choose the WebLogic data source created previously
• Enter user and password for database
• Click Next... The exception will occur:

Uncaught exception
java.lang.LinkageError: loader constraint violation in interface itable initialization: when resolving method
"weblogic.jdbc.rmi.internal.ConnectionImpl_weblogic_jdbc_wrapper_PoolConnection_oracle_jdbc_driver_T4CConnection_12130_WLStub.createBfileDBAccess()Loracle/sql/BfileDBAccess;" the class loader (instance of weblogic/utils/classloaders/GenericClassLoader) of the current class, weblogic/jdbc/rmi/internal/ConnectionImpl_weblogic_jdbc_wrapper_PoolConnection_oracle_jdbc_driver_T4CConnection_12130_WLStub, and the class loader (instance of org/netbeans/modules/netbinox/NetbinoxLoader) for interface weblogic/jdbc/vendor/oracle/OracleConnection have different Class objects for the type 12130_WLStub used in the signature

Cause

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