Sam C [https://community.jboss.org/people/darkcloudi] created the discussion "IJ000453: Unable to get managed connection for java:jboss/datasources/<DataSource>" To view the discussion, visit: https://community.jboss.org/message/805286#805286 -------------------------------------------------------------- I am trying to setup JBOSS connection to postgres, connection details below, but get an error where it is failing to connect. Any ideas what needs to be done? i am new to JBoss and Postgres. I got data in my STOCK schema but cannot figure out why it cannot make a connection when I go to the webpage localhost:8080/example This is a very simple app and does nothing exciting other then authenticate. web.xml contains the following with some other stuff but this is the authentication   <login-config>        <auth-method>BASIC</auth-method>        <realm-name>Stock</realm-name>   </login-config> Stock-ds.xml (Found in deployments directory) <?xml version="1.0" encoding="UTF-8"?> <datasources xmlns=" http://www.jboss.org/ironjacamar/schema http://www.jboss.org/ironjacamar/schema"> <datasource jndi-name="java:jboss/datasources/StockDatasource" enabled="true"      use-java-context="true" pool-name="StockDatasource">   <connection-url>jdbc:postgresql://localhost:5432/postgres</connection-url>   <driver>postgresql-8.4-703.jdbc4.jar</driver>   <pool></pool>   <security>    <user-name>postgres</user-name>    <password>password</password>   </security> </datasource> </datasources> standalone.xml |             | <security-domain name="Stock" cache-type="default"> | |                 | <authentication> | |                     | <login-module code="Database" flag="required"> | |                         | <module-option name="dsJndiName" value="java:jboss/datasources/StockDatasource"/> | |                         | <module-option name="principalsQuery" value="select password from STOCK.USER where username=?"/> | |                         | <module-option name="rolesQuery" value="select rolename, 'Roles' from STOCK.ROLE r, STOCK.USER u where u.userid=r.userid and u.username=?"/> | |                     | </login-module> | |                 | </authentication> | |             | </security-domain> | The error i get is: *Caused by: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:jboss/datasources/StockDatasource*     at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:390)     at org.jboss.jca.core.connectionmanager.tx.TxConnectionManagerImpl.getManagedConnection(TxConnectionManagerImpl.java:368)     at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.allocateConnection(AbstractConnectionManager.java:464)     at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:139)     ... 29 more Caused by: javax.resource.ResourceException: IJ000658: Unexpected throwable while trying to create a connection: null     at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.getConnection(SemaphoreArrayListManagedConnectionPool.java:371)     at org.jboss.jca.core.connectionmanager.pool.AbstractPool.getSimpleConnection(AbstractPool.java:397)     at org.jboss.jca.core.connectionmanager.pool.AbstractPool.getConnection(AbstractPool.java:365)     at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:329)     ... 32 more Caused by: javax.resource.ResourceException: Could not create connection     at org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:277)     at org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:235)     at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.createConnectionEventListener(SemaphoreArrayListManagedConnectionPool.java:761)     at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.getConnection(SemaphoreArrayListManagedConnectionPool.java:343)     ... 35 more Caused by: org.postgresql.util.PSQLException: FATAL: Ident authentication failed for user "postgres" -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/805286#805286] Start a new discussion in Datasource Configuration at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]