Re: "Weka-3.8.6" is damaged and can't be opened, with Apple M1 chip and macOS Monterey

Looking at the output a bit more that you have sent, I noticed that perhaps a JogAmp library used by a couple of WEKA packages might be the issue (see also https://github.com/matsim-org/matsim-code-examples/issues/345). (Also, I have updated the ARM Mac to 12.2.1 and did not encounter any issues.)

Can you try uninstalling the scatterPlot3D and associationRulesVisualizer packages? If the WEKA GUIs don't work so that you cannot start the graphical user interface for the WEKA package manager to do this, try

/Applications/weka-3.8.6.app/Contents/app/weka.sh -main weka.core.WekaPackageManager -uninstall-package scatterPlot3D

in a macOS terminal (and the same for the other package). And, if that doesn't work either, manually remove the package folders from ~/wekafiles/packages.

If uninstallation makes the problem go away, try installing the very latest versions of these two packages. We actually had to update them with the latest JogAmp code recently to make things work with Java 17 and on the ARM Macs.

Let us know whether this solves the problem (and which of the above steps you had to take).

Cheers,
Eibe

> On 12/02/2022, at 11:20 AM, Eibe Frank <[email protected]> wrote:
> 
> It looks like you are running macOS 12.2.1, which apparently came out only two days ago. I don't have access to an Intel-based Mac that can run Monterey (my iMac is too old), but I'll upgrade the ARM Mac I have access to (which is currently still at 12.2) and take a look at what happens on that platform.
> 
> Googling around for one of the key bits in the crash report, 'NSWindow drag regions should only be invalidated on the Main Thread!', it seems that this might be a problem with recent JVMs or JavaFX.
> 
> Just to make sure it's not due to one of the WEKA packages, it would be good if you could try to start WEKA after temporarily renaming your wekafiles folder (which should be in your user home).
> 
> If all else fails, as a band aid solution, you could download a Java 8 JVM/JRE to install on your system and run WEKA from a terminal using 
> 
>   java -jar /Applications/weka-3.8.6.app/Contents/app/weka.jar
> 
> It would be useful to know whether others have observed this kind of crash on macOS.
> 
> Cheers,
> Eibe
> 
> On Sat, 12 Feb 2022 at 10:54, Sérgio Tavares <[email protected]> wrote:
> Good afternoon
> I am a long time user of Weka, on Intel based MacOS.
> Version 3.8.6, and the latter code-signed update, does not launch on a Intel based MacOS, although the previos version, 3.8.5, still works.
> To my knowledge, I have tried everything, including terminal commands xattr -cr and xattr -r -d
> I attach the screenshot and the complete report.
> I would very much appreciate some insight on what may be wrong and troubleshooting.
> With kind regards,
> Sergio
> 
> 
> 
> 
> 
> 
> 
> 
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