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Snap does not have the commandline processing-java available #1047
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Hey @berkes Thank you for raising this issue!
As we migrated to the Gradle build system in #888 we didn't catch the use of
processing-javain the betas. I just took a look and our snap configuration does not allow us to replicate theprocessing-javacommand directly (onlyprocessing.processing-java).So we have two options, either we publish a secondary package on snap called
processing-javawhich would require you to installprocessing-javaseparately. Or we roll this functionality directly into the PDE (which I am more in favour of) so we could replace$ processing-javawith$ processing -clifor exampleReacted by Andrew Ringler- changed the title
[-]Snap does not have the commandline "processing-java" available[/-][+]Snap does not have the commandline `processing-java` available[/+]on Apr 18, 2025 If it helps: As a snap user, I won't really mind installing a second snap, but since that means a rather big lot of duplication of overhead. i.e. some 430M of storage extra, I'd slightly prefer it to be in the one snap package.
Reacted by Stef Tervelde, Raphaël de Courville and Yoo-Jin JungI've finally had the time to test it. Thanks.
It doesn't work yet, unfortunately. And I'm unsure if I should report this in this ticket (re-open it?) or in a new. In any case, the bug seems simple to fix: a file-permission issue.
snap run processing cli --sketch=complex_waterlily --run Exception in thread "Thread-0" java.lang.RuntimeException: Exception while attempting /snap/processing/8/opt/processing/lib/app/resources/jdk/bin/java -agentlib:jdwp=transport=dt_socket,address=8033,server=y,suspend=y,quiet=y -Djna.nosys=true -Djava.library.path=:/snap/processing/8/opt/processing/lib/app/resources/core/library:/snap/processing/8/opt/processing/lib/runtime/lib:/var/lib/snapd/lib/gl:/var/lib/snapd/lib/gl32:/var/lib/snapd/void:/snap/processing/8/usr/lib:/snap/processing/8/usr/lib/x86_64-linux-gnu:/snap/processing/8/opt/processing/lib/app:/usr/java/packages/lib:/usr/lib64:/lib64:/lib:/usr/lib -cp /tmp/processing/complex_waterlily7789541850726054473temp:/snap/processing/8/opt/processing/lib/app/resources/core/library/annotations-13.0.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/antlr-2.7.7.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/core-4.4.3.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/gluegen-rt-2.5.0-natives-android-aarch64.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/gluegen-rt-2.5.0-natives-linux-aarch64.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/gluegen-rt-2.5.0-natives-linux-amd64.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/gluegen-rt-2.5.0-natives-linux-armv6hf.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/gluegen-rt-2.5.0-natives-macosx-universal.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/gluegen-rt-2.5.0-natives-windows-amd64.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/gluegen-rt-2.5.0.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/gluegen-rt-main-2.5.0.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/jogl-all-2.5.0-natives-android-aarch64.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/jogl-all-2.5.0-natives-linux-aarch64.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/jogl-all-2.5.0-natives-linux-amd64.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/jogl-all-2.5.0-natives-linux-armv6hf.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/jogl-all-2.5.0-natives-macosx-universal.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/jogl-all-2.5.0-natives-windows-amd64.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/jogl-all-2.5.0.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/jogl-all-main-2.5.0.jar:/snap/processing/8/opt/processing/lib/app/resources/core/library/kotlin-stdlib-2.0.20.jar -ea processing.core.PApplet --display=-1 --sketch-path=/home/ber/Documents/ART_art/art/processing/complex_waterlily complex_waterlily at processing.core.PApplet.exec(PApplet.java:3197) at processing.mode.java.runner.Runner.lambda$launchJava$0(Runner.java:527) at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.io.IOException: Cannot run program "/snap/processing/8/opt/processing/lib/app/resources/jdk/bin/java": error=13, Permission denied at java.base/java.lang.ProcessBuilder.start(Unknown Source) at java.base/java.lang.ProcessBuilder.start(Unknown Source) at java.base/java.lang.Runtime.exec(Unknown Source) at java.base/java.lang.Runtime.exec(Unknown Source) at processing.core.PApplet.exec(PApplet.java:3195) ... 2 more Caused by: java.io.IOException: error=13, Permission denied at java.base/java.lang.ProcessImpl.forkAndExec(Native Method) at java.base/java.lang.ProcessImpl.<init>(Unknown Source) at java.base/java.lang.ProcessImpl.start(Unknown Source) ... 7 moreLooking at the file, reveals it does not have the executable bit set:
ls -ahl /snap/processing/8/opt/processing/lib/app/resources/jdk/bin/java Permissions Size User Date Modified Name .rw-r--r-- 16k root 25 apr 15:10 /snap/processing/8/opt/processing/lib/app/resources/jdk/bin/javThe normal
snap run processingruns the GUI just fine, andsnap run processing lspfails, but with a different error - not the java exec permission error.I presume simply setting the exec bit on /snap/processing/8/opt/processing/lib/app/resources/jdk/bin/java would fix the bug, but haven't tested it.
Reacted by Stef Tervelde
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Most appropriate sub-area of Processing 4?
Other (specify if possible)
Processing version
4.4.1
Operating system
Linux Ubuntu 24.04.2 LTS x86_64
Steps to reproduce this
--help. It will show help, starting with(version will differ)
snap info processingNotice there is no
processing-java.running
snap run processing --helplaunches the GUI an shows an error on the terminal, that --help is not recognized.Expected behaviour:
To run the CLI mode. E.g.
To compile and run a sketch.
Offering the CLI in a separate snap would be fine as well.
snippet
Not applicable
Additional context
No response
Would you like to work on the issue?
No - I am unfamiliar with the build process of Processing, Gradle, Java