https://community.cloudera.com/t5/Support-Questions/Error-to-connect-db2-as400/m-p/336595#M232315 <P>try with db2jcc4.jar<BR />and the error is:</P><P>&nbsp;</P><LI-CODE lang="c">An attempt was made to access a database, MMSP4LIB, which was either not found or does not support transactions. ERRORCODE=-4499, SQLSTATE=08004); routing to failure: org.apache.nifi.processor.exception.ProcessException: java.sql.SQLException: Cannot create PoolableConnectionFactory ([jcc][t4][2057][11264][4.25.13] The application server rejected establishment of the connection.</LI-CODE><P>&nbsp;</P><P><BR /><BR /></P> Fri, 18 Feb 2022 13:38:42 GMT JLCR 2022-02-18T13:38:42Z https://community.cloudera.com/t5/Support-Questions/Error-to-connect-db2-as400/m-p/336544#M232292 <P>I can't connect to db2/as400<BR /><BR />I have tried with db2jcc4.jar,&nbsp;db2jcc.jar,&nbsp;jt400.jar<BR /><BR /><STRONG>jt400.jar</STRONG></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="JLCR_0-1645132654107.png" style="width: 400px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/33594iFB5ACCCAE224FFAC/image-size/medium?v=v2&amp;px=400" role="button" title="JLCR_0-1645132654107.png" alt="JLCR_0-1645132654107.png" /></span></P><P>Error</P><LI-CODE lang="c">WARN [Timer-Driven Process Thread-4] o.a.n.controller.tasks.ConnectableTask Administratively Yielding ExecuteSQL[id=3732162d-1fac-1df4-52b9-e9190b60af34] due to uncaught Exception: java.lang.AbstractMethodError: Receiver class com.ibm.as400.access.AS400JDBCConnection does not define or inherit an implementation of the resolved method 'abstract boolean isValid(int)' of interface java.sql.Connection.</LI-CODE><P><BR /><BR /></P> Thu, 17 Feb 2022 21:20:45 GMT https://community.cloudera.com/t5/Support-Questions/Error-to-connect-db2-as400/m-p/336544#M232292 JLCR 2022-02-17T21:20:45Z https://community.cloudera.com/t5/Support-Questions/Error-to-connect-db2-as400/m-p/336595#M232315 <P>try with db2jcc4.jar<BR />and the error is:</P><P>&nbsp;</P><LI-CODE lang="c">An attempt was made to access a database, MMSP4LIB, which was either not found or does not support transactions. ERRORCODE=-4499, SQLSTATE=08004); routing to failure: org.apache.nifi.processor.exception.ProcessException: java.sql.SQLException: Cannot create PoolableConnectionFactory ([jcc][t4][2057][11264][4.25.13] The application server rejected establishment of the connection.</LI-CODE><P>&nbsp;</P><P><BR /><BR /></P> Fri, 18 Feb 2022 13:38:42 GMT https://community.cloudera.com/t5/Support-Questions/Error-to-connect-db2-as400/m-p/336595#M232315 JLCR 2022-02-18T13:38:42Z