IBM Db2 Web Query for i (5733-WQX) changes
IBM® Db2® Web Query for i V2.2.0 and earlier versions are not supported and will not function on IBM i 7.4. Upgrade to Web Query version 2.2.1 or later. If Web Query 2.2.1 is installed on IBM i 7.4, you will need to apply the Web Query group PTF SF99653 before starting Web Query the first time. IBM Technology for Java™ SE 8 32 bit (5770-JV1 option 16) is also required for Web Query on IBM i 7.4.
For more information on Db2 Web Query for i, refer to the product wiki at http://ibm.co/db2wqwiki.