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java.lang.ClassCastException "weblogic.jdbc.wrapper.CallableStatement_oracle_jdbc_driver_T4CCallableStatement incompatible with oracle.jdbc.driver.OracleCallableStatement" Error (Doc ID 1275068.1)

Last updated on NOVEMBER 14, 2018

Applies to:

Oracle Weblogic Server - Version: 10.0 and later   [Release: and later ]
Information in this document applies to any platform.


A simple application that uses the OracleCallableStatement to call a simple PL/SQL procedure fails with a java.lang.ClassCastException:

java.lang.ClassCastException: weblogic.jdbc.wrapper.CallableStatement_oracle_jdbc_driver_T4CCallableStatement incompatible with oracle.jdbc.driver.OracleCallableStatement
at com.seagate.qpm.BreakdownRetrieval.selectRecord(
at jsp_servlet._jsp.__bkdwn._jspService(
at weblogic.servlet.jsp.JspBase.service(
at weblogic.servlet.internal.StubSecurityHelper$
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(
at weblogic.servlet.internal.ServletStubImpl.execute(
at weblogic.servlet.internal.ServletStubImpl.execute(


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