Eclipse fails to launch after update with JRE 22.0.1: java.lang.NoSuchMethodError: getMainType about equinox HOT 7 CLOSED

@merks : something for you?

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A full stack trace would help.

It might well be the case that Java 22 breaks something that equinox needs to address. Java introducing breaking changes would not be a new thing.

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@merks do you know how to enable full stack traces when launching eclipse? All I get when launching is the exception message as pasted without the trace.

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It works for me on Windows:

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It also works on my old Ubuntu virtual box:

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Maybe running with -consoleLog will produce more output that includes a full stack trace. I can't find anything in Equinox or the Platform with a method name "getMainType", so that kind of odd.

If you create a new installation, does that also fail to start?

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Adding -consoleLog didn't give any extra information, but doing a clean install did seem to fix things. No clue what happened, but I'll close as I have it working now. Thanks for doing some digging on your end!

I did find that getMainType is in the JDT project. Maybe that package was corrupted during the update?

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