Does CA Mainframe Application Tuner (MAT) 12.0 require Java 8.0?

Document ID : KB000014643
Last Modified Date : 14/02/2018
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Question:

Does CA Mainframe Application Tuner (MAT) 12.0 require Java 8.0?

Answer:

In the CA MAT 12.0 installation guide there is:

The CA MAT Graphical User Interface (GUI) provides a graphical workstation-based interface for use with the CA MAT product.  Mainframe support consists of a CA MAT Web Server to provide interface support to various CA MAT mainframe facilities.  This server consists of three files that support running a job in z/OS UNIX System Services (USS).  The CA MAT Web server requires 64-bit IBM Java 8.0.

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It is not recommend that one tries to go ahead with the installation with a previous version of Java, like Java 7.1, because it does look mandatory to use Java 8.

Java 8 is required because it's the requirement for RAP.