JBAS010442: failed to match pool. Check JndiName: java:jboss/datasources/MyExampleDS"

[standalone@localhost:9999 /] /subsystem=datasources/data-source=MyExampleDS:add(jndi-name=java:jboss/datasources/MyExampleDS, connection-url=\"jdbc:h2:mem:test2;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE\", driver-name=h2, user-name=sa, password=sa, max-pool-size=10)
{"outcome" => "success"}
[standalone@localhost:9999 /] /subsystem=datasources/data-source=MyExampleDS:test-connection-in-pool()
{
    "outcome" => "failed",
    "failure-description" => "JBAS010440: failed to invoke operation: JBAS010442: failed to match pool. Check JndiName: java:jboss/datasources/MyExampleDS",
    "rolled-back" => true
}