java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at weblogic.ejb20.deployer.SessionBeanInfoImpl.assignDefaultTXAttributesIfNecessary(SessionBeanInfoImpl.java:291)
at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.initializeTransactionAttribute(MBeanDeploymentInfoImpl.java:807)
at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.(MBeanDeploymentInfoImpl.java:240)
at weblogic.ejb20.ejbc.EJBCompiler.setupEJB(EJBCompiler.java:155)
at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:415)
at weblogic.ejb20.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:397)
at weblogic.ejbc20.runBody(ejbc20.java:517)
at weblogic.utils.compiler.Tool.run(Tool.java:146)
at weblogic.utils.compiler.Tool.run(Tool.java:103)
at weblogic.ejbc.main(ejbc.java:29)

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