Hi, all, I use the JBoss5.0.0GA version, when I make my datasource encryption, I have as follows exception, MySQL5.1: 18:11:13,337 WARN [JBossManagedConnectionPool] Throwable while attempting to get a new connection: null | org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: Access denied for user ''@'localhost' (using password: NO)) Oracle 11g: 18:37:41,171 WARN [JBossManagedConnectionPool] Throwable while attempting to get a new connection: null | org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: ORA-01017: invalid username/password; logon denied this situation it can't work, my configuration as follows: <mbean code="org.jboss.security.auth.login.DynamicLoginConfig" display-name="..." name="..."> | <attribute name="AuthConfig">login-config.xml</attribute> | <depends optional-attribute-name="LoginConfigService">jboss.security:service=XMLLoginConfig</depends> | <depends optional-attribute-name="SecurityManagerService">jboss.security:service=JaasSecurityManager</depends> | </mbean> in my login-config.xml, it has the database information, <application-policy name="fgdb-password-encrypted"> | <authentication> | <login-module code="org.jboss.resource.security.SecureIdentityLoginModule" flag="required"> | <module-option name="username">jb5b</module-option> | <module-option name="password">298399ffe7e4289f</module-option> | <module-option name="managedConnectionFactoryName">fg.ds:service=LocalTxCM,name=fg_framework.fgdbPool</module-option> | </login-module> | </authentication> | </application-policy> if I don't use datasource encryption, my server works very well. I don't how to solve this problem, Can someone give me some hints? any help can be appreciated. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4223247#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...