Hello, I'm trying to build a newer release of joptsimple (source avaible in the debian repository), and am getting this. I don't really understand what this means and were to look at.
cd . && /usr/lib/jvm/default-java/bin/java -noverify -cp /usr/share/maven2/boot/classworlds.jar:/usr/lib/jvm/default-java/lib/tools.jar -Dproperties.file.manual=/build/joptsimple-4.9/debian/maven.properties -Dclassworlds.conf=/etc/maven2/m2-debian.conf org.codehaus.classworlds.Launcher -s/etc/maven2/settings-debian.xml -Dmaven.repo.local=/build/joptsimple-4.9/debian/maven-repo package [INFO] NOTE: Maven is executing in offline mode. Any artifacts not already in your local repository will be inaccessible. [INFO] Scanning for projects... [INFO] ------------------------------------------------------------------------ [INFO] Building JOpt Simple [INFO] task-segment: [package] [INFO] ------------------------------------------------------------------------ [INFO] [resources:resources {execution: default-resources}] [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 2 resources [INFO] [compiler:compile {execution: default-compile}] [INFO] Compiling 45 source files to /build/joptsimple-4.9/target/classes [INFO] [animal-sniffer:check {execution: check-signature}] [INFO] Checking unresolved references to org.codehaus.mojo.signature:java15:1.0 [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Failed to obtain signature: org.codehaus.mojo.signature:java15:1.0 Embedded error: System is offline. Try downloading the file manually from the project website. Then, install it using the command: mvn install:install-file -DgroupId=org.codehaus.mojo.signature -DartifactId=java15 -Dversion=1.0 -Dpackaging=signature -Dfile=/path/to/file Alternatively, if you host your own repository you can deploy the file there: mvn deploy:deploy-file -DgroupId=org.codehaus.mojo.signature -DartifactId=java15 -Dversion=1.0 -Dpackaging=signature -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id] org.codehaus.mojo.signature:java15:signature:1.0 [INFO] ------------------------------------------------------------------------ [INFO] For more information, run Maven with the -e switch [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2 seconds [INFO] Finished at: Sat Oct 24 18:05:59 CEST 2015 [INFO] Final Memory: 20M/337M [INFO] ------------------------------------------------------------------------ /usr/share/cdbs/1/class/maven.mk:93: recipe for target 'mvn-build' failed Samuel