2964422 - Exception in getMethodReady() in SOAP Response message

The SOAP messages are failing when calling a web service after an upgrade in the PI/PO system.

In the SOAP message the error is 500 Internal Server Error.

When looking at the response we can see the following error:

[EXCEPTION]
javax.ejb.EJBException: Exception in getMethodReady() for stateless bean cpr.ca/im~ejb~ear*annotation|cpr.ca~im~ejb.jar*annotation|ManageTrainDelaySubscriberPreferences; nested exception is: com.sap.engine.services.ejb3.util.pool.PoolException: java.lang.NoClassDefFoundError: com/sap/sql/log/Syslog
com.sap.engine.services.ejb3.util.pool.PoolException: java.lang.NoClassDefFoundError: com/sap/sql/log/Syslog
at com.sap.engine.services.ejb3.util.pool.ContainerPool.translate(ContainerPool.java:288)
...
...
Caused by: java.lang.NoClassDefFoundError: com/sap/sql/log/Syslog
at com.sap.sql.jdbc.oracle.OraclePortingFactory.isJdbcDriverSupported(OraclePortingFactory.java:105)
at com.sap.sql.jdbc.direct.DirectConnectionFactory.createPooledConnection(DirectConnectionFactory.java:482)
at com.sap.sql.jdbc.direct.DirectConnectionFactory.createDirectPooledConnection(DirectConnectionFactory.java:157)
at com.sap.sql.jdbc.direct.DirectConnectionFactory.createDirectPooledConnection(DirectConnectionFactory.java:117)
at com.sap.sql.connect.factory.PooledConnectionFactory.createPooledConnection(PooledConnectionFactory.java:119)
...

• SAP NetWeaver
• SAP Process Integration
• SAP Process Orchestration
• Oracle Database

Process Integration, PI, Process Orchestration, PO, NetWeaver, XI, AEX, oracle, driver, web service, webservices, upgrade, update, 7.5, HTTP/1.1 500 Internal Server Error,  error in response , KBA , BC-XI-CON-SOP , SOAP Adapter , BC-JAS-EJB , Container EJB , Problem