IBM WebSphere Application Server 8.5 (5733-W85) and 9.0 (5733-W90)
Migration requirements if you have IBM WebSphere Application Server V8.0 or an earlier version
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If you currently have the IBM WebSphere Application Server (WAS) version 8.0 or earlier product installed and are upgrading to IBM i 7.4, you will need to migrate your traditional WAS Classic Profile installation and profiles to either IBM WebSphere Application Server V8.5 at the 8.5.5.15 product fix pack level or higher or to V9.0 at the 9.0.0.11 product fix pack level or higher.
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Java™ SE 8 32 bit (5770-JV1 option 16), Java SE 8 64 bit (5770-JV1 option 17) are required to be installed on IBM i 7.4.
Refer to the URL: https://www-01.ibm.com/support/docview.wss?uid=nas8N1020692 for information on how to install IBM Java SE 8.
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IBM Installation Manager (IM) V1.8.9.4 or newer is required to be installed.
Refer to the URL: http://www-01.ibm.com/support/docview.wss?uid=nas8N1022458 for information on how to display the current IM version and how to upgrade it to a newer version if required.
- For additional information on the support of WebSphere Application Server at IBM i 7.4, review the URL: http://www-01.ibm.com/support/docview.wss?uid=nas8N1020185
Existing WAS Installations
Minimum required IBM WebSphere® Application Server (WAS) versions
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The minimum recommended version of WAS 8.5 is 8.5.5.15 or later. The minimum required version is 8.5.5.9. The WAS default SDK and all WAS profiles must be configured to use JDK 8.0. You have 2 options to consider:
- Before IBM i 7.4 upgrade (recommended). Refer to URL: https://www.ibm.com/support/docview.wss?uid=ibm10795736 for instructions.
- After IBM i 7.4 upgrade. Refer to URL:
https://www.ibm.com/support/docview.wss?uid=ibm10796142 for instructions.
- The minimum required version of WAS V9.0 is 9.0.0.0 which is the first release. No additional steps are required.
New WAS Installations
A new install of WebSphere Application Server version 8.5 requires V8.5.5.15 or newer media. This media can be downloaded using ESS. Instructions for ESS WAS downloads are located here : http://www.ibm.com/support/docview.wss?uid=nas8N1010905. A new install of WebSphere Application Server version 9.0 requires V9.0.0.0 or newer media. It is recommended to install WAS version V9.0.
- After IBM i 7.4 upgrade. No other steps are required.
- Before IBM i 7.4 upgrade. The WAS default SDK and
all WAS profiles and default SDK must be configured to use JDK 8.0.
Refer to URL: https://www.ibm.com/support/docview.wss?uid=ibm10795736 for instructions.
For WAS V9.0, no additional steps are required.
Liberty Profile Installation Migration (Installation Manager and Archive Type Installations)
The minimum required version of Liberty profile is 17.0.0.3.
All WAS Liberty Profiles will need to be configured to use JDK 8.0 or newer to function correctly at IBM i 7.4.
Refer to http://www.ibm.com/support/docview.wss?uid=nas8N1021106 for detailed information on how to configure your IBM WebSphere Application Server Liberty Profile installation and application servers to use IBM JDK V8.0 or newer.