Package: src:elki
Version: 0.7.1-1
Severity: serious

Dear maintainer:

I tried to build this package with "dpkg-buildpackage -A"
(which is what the "Arch: all" autobuilder would do to build it)
but it failed:

--------------------------------------------------------------------------------
[...]
 debian/rules build-indep
dh build-indep --buildsystem=maven
   dh_testdir -i -O--buildsystem=maven
   dh_update_autotools_config -i -O--buildsystem=maven
   debian/rules override_dh_auto_configure
make[1]: Entering directory '/<<PKGBUILDDIR>>'
# Remove unneded executable bits:
find elki addons data -type f -executable -exec chmod -x {} \+
dh_auto_configure -O--buildsystem=maven
find: '/usr/share/maven-repo/org/codehaus/plexus/plexus-compiler/*/*.jar': No 
such file or directory
find: '/usr/share/maven-repo/org/codehaus/plexus/plexus-compilers/*/*.jar': No 
such file or directory
find: '/usr/share/maven-repo/org/codehaus/plexus/plexus-containers/*/*.jar': No 
such file or directory
        mh_patchpoms -pelki --debian-build --keep-pom-version 
--maven-repo=/<<PKGBUILDDIR>>/debian/maven-repo

[... snipped ...]

Running de.lmu.ifi.dbs.elki.evaluation.scores.MaximumF1EvaluationTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec - in 
de.lmu.ifi.dbs.elki.evaluation.scores.MaximumF1EvaluationTest
Running de.lmu.ifi.dbs.elki.evaluation.paircounting.ClusterContingencyTableTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.018 sec - in 
de.lmu.ifi.dbs.elki.evaluation.paircounting.ClusterContingencyTableTest

Results :

Tests in error: 
  ParallelLloydKMeansTest.testParallelKMeansLloyd:68 ?? Arithmetic / by zero
  ParallelKNNOutlierTest.testKNNOutlier:57 ?? Arithmetic / by zero
  ParallelKNNWeightOutlierTest.testKNNWeightOutlier:57 ?? Arithmetic / by zero
  ParallelSimplifiedLOFTest.testParallelSimplifiedLOF:57 ?? Arithmetic / by zero
  ParallelLOFTest.testParallelLOF:57 ?? Arithmetic / by zero

Tests run: 348, Failures: 0, Errors: 5, Skipped: 1

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] ELKI Data Mining Framework - Parent Project ........ SUCCESS [  0.274 s]
[INFO] ELKI Data Mining Framework ......................... FAILURE [01:39 min]
[INFO] ELKI Data Mining Framework - Batik Visualization ... SKIPPED
[INFO] ELKI Data Mining Framework - Tutorial Algorithms ... SKIPPED
[INFO] ELKI Data Mining Framework - LibSVM based extensions SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:39 min
[INFO] Finished at: 2016-08-16T17:39:50+02:00
[INFO] Final Memory: 14M/35M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on 
project elki: There are test failures.
[ERROR] 
[ERROR] Please refer to /<<PKGBUILDDIR>>/elki/target/surefire-reports for the 
individual test results.
[ERROR] -> [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 <goals> -rf :elki
dh_auto_test: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -noverify -cp 
/usr/share/maven/boot/plexus-classworlds-2.x.jar:/usr/lib/jvm/java-8-openjdk-amd64/lib/tools.jar
 -Dmaven.home=/usr/share/maven 
-Dmaven.multiModuleProjectDirectory=/<<PKGBUILDDIR>> 
-Dclassworlds.conf=/etc/maven/m2-debian.conf 
-Dproperties.file.manual=/<<PKGBUILDDIR>>/debian/maven.properties 
org.codehaus.plexus.classworlds.launcher.Launcher 
-s/etc/maven/settings-debian.xml -Ddebian.dir=/<<PKGBUILDDIR>>/debian 
-Dmaven.repo.local=/<<PKGBUILDDIR>>/debian/maven-repo test returned exit code 1
debian/rules:10: recipe for target 'build-indep' failed
make: *** [build-indep] Error 1
dpkg-buildpackage: error: debian/rules build-indep gave error exit status 2
--------------------------------------------------------------------------------

Because this source package only generates "Arch: all" packages, this
is the same as a FTBFS bug in the usual sense and the fact that I was
using "dpkg-buildpackage -A" is quite irrelevant.

For this particular package, I've also checked that it fails to build
from source in the reproducible builds site:

https://tests.reproducible-builds.org/

Thanks.

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