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#1100935 jython: interpreter stops with NoClassDefFoundError #1100935

Package:: jython

Source:: jython

Submitter:: Bastian Germann

Date:: 2025-04-08 06:54:02 UTC

Severity:: normal

Tags:

#1100935#5

Date:: 2025-03-20 16:46:30 UTC

From:

To:

Starting the jython interpreter fails since bookworm (where
libjline2-java moved from libjansi-java to libjansi1-java):

Jython 2.7.3-DEV (-dirty:uncontrolled, Jan 7 2023, 16:12:55)
[OpenJDK 64-Bit Server VM (Debian)] on java21.0.7-ea
Type "help", "copyright", "credits" or "license" for more information.
        at jline.internal.Ansi.stripAnsi(Ansi.java:28)
        at jline.console.ConsoleReader.setPrompt(ConsoleReader.java:499)
        at jline.console.ConsoleReader.readLine(ConsoleReader.java:2425)
        at jline.console.ConsoleReader.readLine(ConsoleReader.java:2378)
        at jline.console.ConsoleReader.readLine(ConsoleReader.java:2366)
        at org.python.util.JLineConsole.readerReadLine(JLineConsole.java:210)
        at org.python.util.JLineConsole.access$100(JLineConsole.java:28)
        at org.python.util.JLineConsole$Stream.getLine(JLineConsole.java:164)
        at org.python.util.ConsoleInputStream.fillBuffer(ConsoleInputStream.java:101)
        at org.python.util.ConsoleInputStream.read(ConsoleInputStream.java:180)
        at java.base/java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:316)
        at org.python.core.io.StreamIO.readinto(StreamIO.java:123)
        at org.python.core.io.BufferedReader.peek(BufferedReader.java:102)
        at org.python.core.io.BufferedReader.read1(BufferedReader.java:116)
        at org.python.core.io.TextIOBase.readChunk(TextIOBase.java:255)
        at org.python.core.io.BinaryIOWrapper.readline(BinaryIOWrapper.java:101)
        at org.python.core.io.TextIOWrapper.readline(TextIOWrapper.java:178)
        at org.python.core.PyFile.file_readline(PyFile.java:364)
        at org.python.core.PyFile.readline(PyFile.java:372)
        at org.python.core.__builtin__.readline(__builtin__.java:984)
        at org.python.core.__builtin__.raw_input(__builtin__.java:1008)
        at org.python.util.InteractiveConsole.raw_input(InteractiveConsole.java:209)
        at org.python.util.InteractiveConsole._interact(InteractiveConsole.java:150)
        at org.python.util.InteractiveConsole.interact(InteractiveConsole.java:127)
        at org.python.util.jython.runStream(jython.java:446)
        at org.python.util.jython.main(jython.java:700)
Caused by: java.lang.ClassNotFoundException: org.fusesource.jansi.AnsiOutputStream
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
        ... 26 more
java.lang.NoClassDefFoundError: java.lang.NoClassDefFoundError: org/fusesource/jansi/AnsiOutputStream

It is quite surprising that this has not yet been caught. Let's fix
trixie's jython or get rid of it.

#1100935#10

Date:: 2025-04-07 18:51:55 UTC

From:

To:

Hi,

On Thu, 20 Mar 2025 17:46:30 +0100 Bastian Germann <bage@debian.org> wrote:
 > Package: jython
 > Version: 2.7.3+repack1-1
 > Severity: grave
 > Justification: renders package unusable
 >
 > Starting the jython interpreter fails since bookworm (where
 > libjline2-java moved from libjansi-java to libjansi1-java):
 >
 > Jython 2.7.3-DEV (-dirty:uncontrolled, Jan 7 2023, 16:12:55)
 > [OpenJDK 64-Bit Server VM (Debian)] on java21.0.7-ea
 > Type "help", "copyright", "credits" or "license" for more information.
 > >>> java.lang.NoClassDefFoundError: org/fusesource/jansi/AnsiOutputStream
 > at jline.internal.Ansi.stripAnsi(Ansi.java:28)
 > at jline.console.ConsoleReader.setPrompt(ConsoleReader.java:499)
 > at jline.console.ConsoleReader.readLine(ConsoleReader.java:2425)
 > at jline.console.ConsoleReader.readLine(ConsoleReader.java:2378)
 > at jline.console.ConsoleReader.readLine(ConsoleReader.java:2366)
 > at org.python.util.JLineConsole.readerReadLine(JLineConsole.java:210)
 > at org.python.util.JLineConsole.access$100(JLineConsole.java:28)
 > at org.python.util.JLineConsole$Stream.getLine(JLineConsole.java:164)
 > at
org.python.util.ConsoleInputStream.fillBuffer(ConsoleInputStream.java:101)
 > at org.python.util.ConsoleInputStream.read(ConsoleInputStream.java:180)
 > at
java.base/java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:316)
 > at org.python.core.io.StreamIO.readinto(StreamIO.java:123)
 > at org.python.core.io.BufferedReader.peek(BufferedReader.java:102)
 > at org.python.core.io.BufferedReader.read1(BufferedReader.java:116)
 > at org.python.core.io.TextIOBase.readChunk(TextIOBase.java:255)
 > at org.python.core.io.BinaryIOWrapper.readline(BinaryIOWrapper.java:101)
 > at org.python.core.io.TextIOWrapper.readline(TextIOWrapper.java:178)
 > at org.python.core.PyFile.file_readline(PyFile.java:364)
 > at org.python.core.PyFile.readline(PyFile.java:372)
 > at org.python.core.__builtin__.readline(__builtin__.java:984)
 > at org.python.core.__builtin__.raw_input(__builtin__.java:1008)
 > at
org.python.util.InteractiveConsole.raw_input(InteractiveConsole.java:209)
 > at
org.python.util.InteractiveConsole._interact(InteractiveConsole.java:150)
 > at
org.python.util.InteractiveConsole.interact(InteractiveConsole.java:127)
 > at org.python.util.jython.runStream(jython.java:446)
 > at org.python.util.jython.main(jython.java:700)
 > Caused by: java.lang.ClassNotFoundException:
org.fusesource.jansi.AnsiOutputStream
 > at
java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
 > at
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
 > at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
 > ... 26 more
 > java.lang.NoClassDefFoundError: java.lang.NoClassDefFoundError:
org/fusesource/jansi/AnsiOutputStream
 >
 > It is quite surprising that this has not yet been caught. Let's fix
 > trixie's jython or get rid of it.
 >

Indeed, that's surprising.


The bug is rather in jline2, a common classpath issue. I am preparing a fix.

Cheers,

#1100935#25

Date:: 2025-04-08 06:50:22 UTC

From:

To:

We believe that the bug you reported is fixed in the latest version of
jline2, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1100935@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Pierre Gruet <pgt@debian.org> (supplier of updated jline2 package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Mon, 07 Apr 2025 21:00:16 +0200
Source: jline2
Architecture: source
Version: 2.14.6-6
Distribution: unstable
Urgency: medium
Maintainer: Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>
Changed-By: Pierre Gruet <pgt@debian.org>
Closes: 1100935
Changes:
 jline2 (2.14.6-6) unstable; urgency=medium
 .
   * Team upload.
   * Fixing manifest file: jansi -> jansi1 (Closes: #1100935)
   * Raising Standards version to 4.7.2 (no change)
   * Getting rid of unnecessary versioned Build-Depends
Checksums-Sha1:
 1c0167429a9ee3e8c55df7851a0ac80806e20d15 2013 jline2_2.14.6-6.dsc
 3d0404a014180ff9e2b14345531e057527468146 5056 jline2_2.14.6-6.debian.tar.xz
 77c494430013e089fc381aaa1a1874f18b4e2302 16143 jline2_2.14.6-6_amd64.buildinfo
Checksums-Sha256:
 d2cf3dd9cfafe93361c476aa13953899cf675e33c51c77f386be2a91f6f42124 2013 jline2_2.14.6-6.dsc
 5da2ade6c687c310340240db4158a6a9ec2ed6abf8a3f0fdaf877153b3a10de1 5056 jline2_2.14.6-6.debian.tar.xz
 6ab98eca7acc33412e42ed3ad92c5f4668aa6ca379f24bc8b9d4a7449783f77d 16143 jline2_2.14.6-6_amd64.buildinfo
Files:
 b6b0dd7bb3cadc77b50edba2af5046a5 2013 java optional jline2_2.14.6-6.dsc
 43812fc3716b5a656435060b0f55a5d5 5056 java optional jline2_2.14.6-6.debian.tar.xz
 21dbb88d353cb5f31aa2656896e0a7bd 16143 java optional jline2_2.14.6-6_amd64.buildinfo
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#1100935 jython: interpreter stops with NoClassDefFoundError #1100935

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