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 for submit@bugs.debian.org; Tue, 20 Oct 2026 19:57:11 +0000
From: Santiago Vila &lt;sanvila@debian.org&gt;
To: Debian BTS &lt;submit@bugs.debian.org&gt;
Subject: msgpack-java: FTBFS: [ERROR]
 /&lt;&lt;PKGBUILDDIR&gt;&gt;/msgpack-jackson/src/main/java/org/msgpack/jackson/dataformat/JsonArrayFormat.java:[42,
 3] method does not override or implement a method from a supertype
X-Debbugs-Cc: sanvila@debian.org
Message-Id: &lt;E1xJFxP-001ksO-05@paradis.debian.org&gt;
Date: Tue, 20 Oct 2026 19:57:11 +0000
Delivered-To: submit@bugs.debian.org

Package: src:msgpack-java
Version: 0.9.6-1
Severity: serious
Tags: ftbfs forky sid

Dear maintainer:

During a rebuild of all packages in unstable, this package failed to build.

Below you will find the last part of the build log (probably the most
relevant part, but not necessarily). If required, the full build log
is available here:

https://people.debian.org/~sanvila/build-logs/202610/

About the archive rebuild: The build was made on virtual machines from AWS,
using sbuild and a reduced chroot with only build-essential packages.

If you cannot reproduce the bug please contact me privately, as I
am willing to provide ssh access to a virtual machine where the bug is
fully reproducible.

If this is really a bug in one of the build-depends, please use
reassign and add an affects on src:msgpack-java, so that this is still
visible in the BTS web page for this package.

Thanks.

--------------------------------------------------------------------------------
[...]
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  2.064 s
[INFO] Finished at: 2026-10-20T09:51:26Z
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.13.0:compile (default-compile) on project msgpack-jackson: Compilation failure: Compilation failure: 
[ERROR] /&lt;&lt;PKGBUILDDIR&gt;&gt;/msgpack-jackson/src/main/java/org/msgpack/jackson/dataformat/JsonArrayFormat.java:[42,3] method does not override or implement a method from a supertype
[ERROR] /&lt;&lt;PKGBUILDDIR&gt;&gt;/msgpack-jackson/src/main/java/org/msgpack/jackson/dataformat/JsonArrayFormat.java:[46,60] cannot find symbol
[ERROR]   symbol: method findIgnoreUnknownProperties(com.fasterxml.jackson.databind.introspect.AnnotatedClass)
[ERROR] -&gt; [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn &lt;args&gt; -rf :msgpack-jackson
dh_auto_build: error: /usr/lib/jvm/default-java/bin/java -noverify -cp /usr/share/maven/boot/plexus-classworlds-2.x.jar -Dmaven.home=/usr/share/maven -Dmaven.multiModuleProjectDirectory=/&lt;&lt;PKGBUILDDIR&gt;&gt; -Dclassworlds.conf=/etc/maven/m2-debian.conf -Dproperties.file.manual=/&lt;&lt;PKGBUILDDIR&gt;&gt;/debian/maven.properties org.codehaus.plexus.classworlds.launcher.Launcher -s/etc/maven/settings-debian.xml -Ddebian.dir=/&lt;&lt;PKGBUILDDIR&gt;&gt;/debian -Dmaven.repo.local=/&lt;&lt;PKGBUILDDIR&gt;&gt;/debian/maven-repo --batch-mode package -DskipTests -Dnotimestamp=true -Dlocale=en_US returned exit code 1
make: *** [debian/rules:8: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess failed with exit status 2
--------------------------------------------------------------------------------
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