hi , i do have some problems in deployment of entity bean.these are the problem that i have faced .plz help me to rectify those. step 1.i combined all the class files ,meta-inf files and made to a jar file. step 2.then i used my weblogic.ejbc and generated a new jar file. step 3.i opened my console and set my pool,datasource step 4.i deployed my ejb. step 5.i got the following errors. weblogic.ejb20.WLDeploymentException:The datasource with the jndi name PoolConn could not be located.plz ensure that datasource has been deployed successfully. i got an information if i give the datasource name instead of pool name we get this error.i checked i have given my pool name only. could any one rectify my error.