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        1. Re: java.lang.ClassCastException: org.jboss.jca.adapters.jdbc.jdk8.Wrappedctomc Aug 8, 2017 4:08 AM (in response to mmehra2)AS7? or EAP7? how do you access datasource? what is full stacktrace? what is configuration of datasource do you have ojdbc6.jar in you deployment? 
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        2. Re: java.lang.ClassCastException: org.jboss.jca.adapters.jdbc.jdk8.Wrappedmmehra2 Aug 11, 2017 2:56 AM (in response to ctomc)through standalone.xml I am accessing the datasource yes I do have a ojdbc6.jar in my deployment Below is the configuration. There are other datasource like this:- <datasource jta="true" jndi-name="java:/ctmsJaRWDS" pool-name="ctmsJaRWCP" enabled="true" use-ccm="true"> <connection-url>jdbc:oracle:thin:@172.19.50.12:1679:dprdt</connection-url> <driver-class>oracle.jdbc.driver.OracleDriver</driver-class> <driver>com.oracle</driver> <security> <user-name>opctja_web_rw</user-name> <password>opctja_web_rw</password> </security> <validation> <valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.oracle.OracleValidConnectionChecker"/> <background-validation>true</background-validation> <stale-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.oracle.OracleStaleConnectionChecker"/> <exception-sorter class-name="org.jboss.jca.adapters.jdbc.extensions.oracle.OracleExceptionSorter"/> </validation> </datasource 
 
    