we are getting below error while clicking on test connectivity of the rest service. Same service is working fine in Pega Cloud environment.

Recently we have moved our code from cloud 7.2 version to client system 7.2.2. Please do let us know is there anything we have missed?

2017-03-16 03:47:25,446 [ Proprietary information hidden-21063-exec-6] [ STANDARD] [ ] [ GRAFW:01.01.01] ( internal.mgmt.Executable) ERROR vsin7u8456.svr.us.jpmchase.net| Proprietary information hidden|Rule-Connect-REST.Pega-Int-PDN-Rss.pyRSSConnectService murali - Exception
com.pega.pegarules.pub.services.ConnectorException: Error invoking conntector: Rule-Connect-REST - null
at com.pega.pegarules.integration.config.internal.connect.PRConnectorFactory.getConnector(PRConnectorFactory.java:116)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at com.pega.pegarules.integration.config.internal.connect.PRConnectorFactory.getConnector(PRConnectorFactory.java:110)
... 157 more
Caused by: java.lang.NoClassDefFoundError: com/ibm/mq/headers/MQRFH2
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:190)
at com.pega.pegarules.integration.engine.internal.util.PRServiceUtilsPriv.<clinit>(PRServiceUtilsPriv.java:256)
at com.pega.pegarules.integration.engine.internal.PRIntegrationEngineProviderImpl.getServiceUtilsPriv(PRIntegrationEngineProviderImpl.java:217)
at com.pega.pegarules.session.internal.mgmt.Executable.getServiceUtilsPriv(Executable.java:2202)
at com.pega.pegarules.integration.engine.internal.connect.rest.RESTConnector.<init>(RESTConnector.java:125)
... 162 more
Caused by: java.lang.ClassNotFoundException: com.ibm.mq.headers.MQRFH2
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 168 more