This is regarding access of datasources with security domain configured from a CMP entity bean. The summary of the problem is :CMP entity bean is failing to load having configured datasources with security domain. The exception is as below: java.lang.SecurityException: Invalid authentication attempt, principal=null at org.jboss.resource.connectionmanager.BaseConnectionManager2.getSubject(BaseConnectionManager2.java:666) at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:495) at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:887) at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:102) at org.jboss.ejb.plugins.cmp.jdbc.SQLUtil.fixTableName(SQLUtil.java:159) at org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCEntityBridge.init(JDBCEntityBridge.java:143) at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.initStoreManager(JDBCStoreManager.java:420) at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.start(JDBCStoreManager.java:353) at org.jboss.ejb.plugins.CMPPersistenceManager.start(CMPPersistenceManager.java:155) at org.jboss.ejb.EntityContainer.startService(EntityContainer.java:337) at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:271) at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:221) at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:60) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:62) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:54) at org.jboss.mx.server.Invocation.invoke(Invocation.java:82) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:197) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:473) at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:884) at $Proxy19.start(Unknown Source) at org.jboss.system.ServiceController.start(ServiceController.java:414) at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:60) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:62) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:54) at org.jboss.mx.server.Invocation.invoke(Invocation.java:82) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:197) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:473) at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:176) at $Proxy42.start(Unknown Source) Is there any additional configuration that needs to be done for a CMP entity bean. The configuration details are as below.Following is the oracle-ds.xml <?xml version="1.0" encoding="UTF-8"?> <local-tx-datasource> <jndi-name>EntityMedia</jndi-name> <use-java-context>false</use-java-context> <connection-url>jdbc:oracle:thin:@TEST:1521:STEN4</connection-url> <driver-class>oracle.jdbc.driver.OracleDriver</driver-class> <security-domain>EncryptedTESTDbRealm</security-domain> <valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleValidConnectionChecker</valid-connection-checker-class-name> <check-valid-connection-sql>select sysdate from dual</check-valid-connection-sql> <min-pool-size>10</min-pool-size> <max-pool-size>50</max-pool-size> <blocking-timeout-millis>30000</blocking-timeout-millis> <idle-timeout-minutes>15</idle-timeout-minutes> <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name> <track-statements>nowarn</track-statements> </local-tx-datasource> login-config.xml <application-policy name="EncryptedTESTDbRealm"> <login-module code="org.jboss.resource.security.JaasSecurityDomainIdentityLoginModule" flag = "required"> <module-option name="principal">test</module-option> <module-option name="username">test</module-option> <module-option name="password">2F1yKmeLvC7m6CTT3XHDyh</module-option> <module-option name="managedConnectionFactoryName">jboss.jca:service=LocalTxCM,name=EntityMedia</module-option> <module-option name="jaasSecurityDomain">jboss.security:service=JaasSecurityDomain,domain=ServerMasterPassword</module-option> </login-module> </application-policy> jboss-service.xml <!-- The opaque master password file used to decrypt the encrypted database password key --> {CLASS}org.jboss.security.plugins.FilePassword:${jboss.server.home.dir}/deploy/server.password test 9705 Please help with your views. 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