ClassDefNotFoundException for javax.ejb.EntityBean

[rutit]

i'm building EJB and while building the deployable jars, i sometimes have this exception - some sessions beans have it all time and some session beans don't have it all the time.
the thing is that the jars are created and work well in both cases, i just want to get rid of this exception in case it does harm me someway.

java.lang.NoClassDefFoundError: javax/ejb/EntityBean
at weblogic.ejb.compliance.BeanClassChecker.class$(BeanClassChecker.java:26)
at weblogic.ejb.compliance.EntityBeanClassChecker.checkBeanClassImplementsEntityBean(EntityBeanClassChecker.java:124)
at java.lang.reflect.Method.invoke(Native Method)
at weblogic.ejb.compliance.EJB11ComplianceChecker.checkEJB(Compiled Code)
at weblogic.ejb.compliance.EJB11ComplianceChecker.checkDeploymentUnit(Compiled Code)
at weblogic.ejb.ejbc.EJBCompiler.complianceCheckJar(EJBCompiler.java:302)
at weblogic.ejb.ejbc.EJBCompiler.checkCompliance(EJBCompiler.java:251)
at weblogic.ejb.ejbc.EJBCompiler.compileEJB(Compiled Code)
at weblogic.ejbc.runBody(Compiled Code)
at weblogic.utils.compiler.Tool.run(Tool.java:80)
at weblogic.ejbc.main(ejbc.java:353)
[EJB]: Unexpected exception java.lang.NoClassDefFoundError: javax/ejb/EntityBean

 

[berman]

it looks to me that javax/ejb/EntityBean isnt in
your class path. its prob in some jar file. find
it and make sure its in the class path.

i hope this helps.