Exception: java.lang.ClassCastException: org.jboss.as.connector.subsystems.datasources.WildFlyDataSource cannot be cast to javax.sql.DataSource

[irshadsapphire]

Hello Friends,

I am getting this exception if I do a test using Management Console, I am getting success once I deploy the war file I am getting these execpetion

Context initialContext = new InitialContext();

       DataSource datasource = (DataSource)initialContext.lookup("java:/Mysql");;

    result = datasource.getConnection();

[jaysensharma]

By any chance are you packaging a JAR inside your "WEB-INF/lib"  (or inside any of your custom module) which is including the class "javax.sql.DataSource" ?   Or   "org.jboss.as.connector.subsystems.datasources.WildFlyDataSource".    If yes then you are not supposed to include any if such JAR inside your application lib.

[irshadsapphire]

We are not using any lib, the problem i am facing is in wildfly 9.0.2.Final but same war if i deploy in wildfly 8.1.0.Final it is working.

[abhinav.gupta01]

Did you get any solution for this issue ?

I am facing exact same problem with my application while moving from 8.2 to 9.0.2 .

[abhinav.gupta01]

I got the issue with my application.

In one of my custom modules , we have jboss-j2ee.jar , which contains class "javax.sql.DataSource". I removed it and it worked fine !

Thanks Jay for pointers.

~Abhinav