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Home » Eclipse Projects » Mylyn » Mylyn removed from Eclipse Releases since 2022-06(Mylyn was removed due to long standing dependency problems. What do do now?)
Mylyn removed from Eclipse Releases since 2022-06 [message #1854585] Fri, 26 August 2022 12:02 Go to next message
Eclipse UserFriend
Hi all,

after having skipped 2022-03, on my attempt to upgrade to 2022-06, I was shocked to find out that Mylyn has been removed from the coordinated release trains. Only Mylyn Wiki Text remains in the builds, but the Task List and thus any integration with Bugtrackers and Workflow Tools and consequently also all of the context functionality is gone.

Symptoms
- "Mylyn" no longer shows up in the Preferences
- Show View > Other > Mylyn is gone
- existing Task List views in existing Workspaces / Perspectives are flagged "Error"

When attempting to install "Mylyn" from the Market Place or from "Install new Software" and the Repo http://download.eclipse.org/mylyn/releases/latest the install works, but the plugin org.eclipse.mylyn.tasks.ui can not be loaded at startup, leading to the above symptoms.

You'll also find a message in the Error Log, pointing to a dependency constraint violation regarding
"jakarta.xml.bind Version=2.3.3.v20201118-1818" vs. "javax.xml.bind Version=2.2.0.v201105210648"

Thus, after some experimentation with various EPP packages and update strategies, I opened Bug #580626. This Bug was immediately closed...
Quote:
Mylyn has been removed from Simrel due to incompatibilities (see https://www.eclipse.org/lists/cross-project-issues-dev/msg18881.html) . If you would like to get it back you would have to be ready to spend time to bring the project back to live for which you would have to contact Mylyn developers (if there are any still active). I'm closing this one as there is nothing to be done on EPP side unless Mylyn is revived.


So here we are :-(

Any Ideas how to proceed? Any known manual workarounds?
Re: Mylyn removed from Eclipse Releases since 2022-06 [message #1854939 is a reply to message #1854585] Mon, 19 September 2022 13:33 Go to previous messageGo to next message
Eclipse UserFriend
I was able to install the mylyn plugin from the marketplace. It at least basically works. I see at least one issue with it, although it was somewhat minor. The bigger problems are moving forward. When I inspect the metadata for the plugin in the marketplace, the info page shows that the last Eclipse version it supports is 2021-03. Is this really abandonware?
Re: Mylyn removed from Eclipse Releases since 2022-06 [message #1855821 is a reply to message #1854939] Fri, 04 November 2022 15:49 Go to previous message
Eclipse UserFriend
Which base version of Eclipse where you able to get it to work with? I'm trying 2022-09 and using Oomph to add it back but so far no luck.

This is the root cause:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=580257
Previous Topic:Updated to Eclipse 2020-12 Unable to resolve mylyn bundle
Next Topic:How to remove Mylyn from a v2022-03 installation?
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