When installing or upgrading to WebSphere Integration Developer (WID) V126.96.36.199, user should first install WID V188.8.131.52 or 184.108.40.206 Interim Fix 001
If WebSphere Integration Developer (WID) V220.127.116.11 is installed simultaneously with V7, or is upgraded directly from V18.104.22.168 or prior V7.0.0.x release, then WebSphere Integration Developer V22.214.171.124 is unable to launch.
The screenshot below illustrates the configuration error observed when launching WebSphere Integration Developer V126.96.36.199 after going through the above described install/upgrade path.
The workaround is to upgrade to WebSphere Integration Developer V188.8.131.52 or V184.108.40.206 Interim Fix 001 first prior to installing or updating to WID V220.127.116.11.
For the upgrade problem, another workaround is in the file "<WID_Install>/Configuration/config.ini", specify the value "-Dorg.eclipse.update.reconcile=true" at the end of the file, then re-launch WebSphere Integration Developer V18.104.22.168.
For more details and the cause, see technote #1598651
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