Weblogic 10.3 EJB2 Deployment Problem

Question

Exception preparing module: EJBModule(Basic.jar) Unable to deploy EJB: Basic.jar from Basic.jar: There are 1 nested errors: weblogic.utils.compiler.CodeGenerationException: Error in RDBMSCodeGenerator.generateCmrGetterMethod: weblogic.utils.compiler.CodeGenerationException: Exception: 'java.lang.NullPointerException' while trying to invoke: loadCheckForCmrField at line 2 at weblogic.utils.compiler.CodeGenerator.processAt(CodeGenerator.java:715) at weblogic.utils.compiler.CodeGenerator.parse(CodeGenerator.java:582) at weblogic.utils.compiler.CodeGenerator.parse(CodeGenerator.java:539) at ........

I know this is somewhat a stupid question, but after almost 4 days totaly worked with it. It drives me crazy. It looks like a problem with Database?

Thanks a lot in advance!