IBM i: Migrating an IBM MQ classes for JMS and Java client

If you have IBM® MQ Java SupportPac MA88 installed, you must uninstall it first.

Before you begin

SupportPac MQ88 is installed.

If you try to install the latest version of IBM MQ classes for Java anyway, the installation fails with a warning requesting you to uninstall the old client. You must follow the steps in this task to uninstall IBM MQ classes for Java and IBM MQ classes for JMS.

A previous version of IBM MQ classes for Java is installed.

Installation of the latest version of IBM MQ classes for Java uninstalls the previous version automatically. Do not follow the steps in this task.

About this task

The steps in this task uninstall the IBM MQ classes for JMS and Java.

To uninstall the previous IBM MQ Java client:

1. Delete the QMQMJAVA library and the /QIBM/ProdData/mqm/java directory, by issuing the command:

   
   DLTLICPGM LICPGM(5648C60) OPTION(*ALL)
   

2. If the previous step failed to delete the IFS directory /QIBM/ProdData/mqm/java and its subdirectories, use the EDTF command, for example:

   
   EDTF STMF('/QIBM/ProdData/mqm')
   

   and select option 9 against the java directory.