The strace output is not very informative because mmj2/mmj2jar/mmj2 is actually a shell script which calls java. Most of what you can see is just bash reading the script. You can call java directly if you want a more useful trace.
On Fri, Mar 3, 2023 at 9:40 PM William Mitchell Jr <[email protected]> wrote: > Here is the output of strace mmj2/mmj2jar/mmj2 compiled and run under > openjdk-17-jdk, Debian Sid, arm64, x11: > > https://pastebin.com/zcwgs2pc > > William > On Friday, March 3, 2023 at 7:31:18 PM UTC-5 William Mitchell Jr wrote: > >> After git clone https://github.com/digama0/mmj2, >> >> Success: compile with openjdk-11-jdk and runtime openjdk-11-jdk. >> Every other combination of compiling/runtime I have available fails. >> >> Here is the error message from compiling and running under openjdk-17-jdk: >> >> Error: LinkageError occurred while loading main class mmj.util.BatchMMJ2 >> java.lang.UnsupportedClassVersionError: mmj/util/BatchMMJ2 has >> been compiled by a more recent version of the Java Runtime (class file >> version 65.0), this version of the Java Runtime only recognizes class file >> versions up to 61.0 >> >> William >> On Friday, March 3, 2023 at 6:33:32 PM UTC-5 [email protected] wrote: >> >>> By the way, if you are thinking about modernizing mmj2 there are two >>> known issues with newer versions of the JDK. One is the missing nashorn >>> support as already mentioned, and the other is an issue in the undo system >>> which causes ComposedEdits to not work correctly (the required class >>> doesn't exist on JDK 10+). It is being version-checked now so you shouldn't >>> get any build failures, but the user experience is that undo goes one >>> character at a time which is pretty miserable. Maybe there is something in >>> newer versions of the JDK for this but I couldn't find anything useful in >>> JDK 10. That's why I recommend JDK 9 for most mmj2 users. >>> >>> On Fri, Mar 3, 2023 at 6:26 PM David Crisp <[email protected]> wrote: >>> >>>> >>>> On Friday, 3 March 2023 at 22:41:54 UTC [email protected] wrote: >>>> >>>> openjdk-11-jdk works on my system. >>>> >>>> Debian Sid >>>> arm64 >>>> Java versions available to me: openjdk-8-jdk, openjdk-11-jdk, >>>> openjdk-17-jdk, openjdk-18-jdk, openjdk-19-jdk, openjdk-20-jdk, >>>> openjdk-21-jdk. >>>> >>>> openjdk-8-jdk: fails (error message posted below) >>>> openjdk-11-jdk: success >>>> openjdk-17-jdk: fails (error message posted below) >>>> openjdk-18-jdk through openjdk-21-jdk: fails (all with the same error >>>> message posted below) >>>> >>>> >>>> The issue with JDK8 is what Mario suggests, and the issues with JDK18+ >>>> are what I'd expect from missing Nashorn support, but 17 is a weird one. >>>> I'd expect it to fail for the same reason as 18 (Nashorn was removed in 14) >>>> but it looks like it's not even getting that far and is instead having >>>> trouble with loading the GUI libraries (libawt_xawt.so is the library that >>>> implements Java's low-level windowing functionality on top of X11). >>>> >>>> I suspect this is an issue with your install of 17, but I don't >>>> currently have an ARM system available to me so I can't test it myself with >>>> your exact setup - would you mind please trying to uninstall and reinstall >>>> 17 for me and seeing if you get the same stacktrace? If you do I'll add it >>>> to my list of things to investigate once I start diving into the code - 17 >>>> is the most recent LTS version, so it's one that we really want mmj2 to >>>> work with if at all possible. >>>> >>>> Thanks >>>> >>>> Dave >>>> >>>> -- >>>> >>> You received this message because you are subscribed to the Google >>>> Groups "Metamath" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> >>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/metamath/ba2288fa-9f13-4d50-8334-cc6fc361e117n%40googlegroups.com >>>> <https://groups.google.com/d/msgid/metamath/ba2288fa-9f13-4d50-8334-cc6fc361e117n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- > You received this message because you are subscribed to the Google Groups > "Metamath" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/metamath/eefc22b1-5a98-4509-8bd9-bba24f410af2n%40googlegroups.com > <https://groups.google.com/d/msgid/metamath/eefc22b1-5a98-4509-8bd9-bba24f410af2n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Metamath" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/metamath/CAFXXJSv4yXbkbhZKbyr8W2RYF1CD2kCa4-1DfdpHafBGRE%3D5kg%40mail.gmail.com.
