cd C:\Users\Wühlhase\Desktop\MathParser.org-mXparser-master\MathParser.org-mXparser-master\CURRENT\java; "JAVA_HOME=C:\\Program Files\\Java\\jdk1.8.0_144" cmd /c "\"\"C:\\Program Files\\NetBeans 8.2\\java\\maven\\bin\\mvn.bat\" -Dmaven.ext.class.path=\"C:\\Program Files\\NetBeans 8.2\\java\\maven-nblib\\netbeans-eventspy.jar\" -Dfile.encoding=UTF-8 clean install\"" Scanning for projects... ------------------------------------------------------------------------ Building MathParser.org-mXparser - Math Expressions Parser / Formula Evaluator library for JAVA Android C# .NET/MONO CLS compliant 4.1.1 ------------------------------------------------------------------------ --- maven-clean-plugin:2.4.1:clean (default-clean) @ MathParser.org-mXparser --- Deleting C:\Users\Wühlhase\Desktop\MathParser.org-mXparser-master\MathParser.org-mXparser-master\CURRENT\java\target --- maven-resources-plugin:2.5:resources (default-resources) @ MathParser.org-mXparser --- [debug] execute contextualize Using 'UTF-8' encoding to copy filtered resources. skip non existing resourceDirectory C:\Users\Wühlhase\Desktop\MathParser.org-mXparser-master\MathParser.org-mXparser-master\CURRENT\java\src\main\resources --- maven-compiler-plugin:2.3.2:compile (default-compile) @ MathParser.org-mXparser --- No sources to compile --- maven-resources-plugin:2.5:testResources (default-testResources) @ MathParser.org-mXparser --- [debug] execute contextualize Using 'UTF-8' encoding to copy filtered resources. skip non existing resourceDirectory C:\Users\Wühlhase\Desktop\MathParser.org-mXparser-master\MathParser.org-mXparser-master\CURRENT\java\src\test\resources --- maven-compiler-plugin:2.3.2:testCompile (default-testCompile) @ MathParser.org-mXparser --- No sources to compile --- maven-surefire-plugin:2.10:test (default-test) @ MathParser.org-mXparser --- No tests to run. Surefire report directory: C:\Users\Wühlhase\Desktop\MathParser.org-mXparser-master\MathParser.org-mXparser-master\CURRENT\java\target\surefire-reports ------------------------------------------------------- T E S T S ------------------------------------------------------- Results : Tests run: 0, Failures: 0, Errors: 0, Skipped: 0 --- maven-jar-plugin:2.3.2:jar (default-jar) @ MathParser.org-mXparser --- JAR will be empty - no content was marked for inclusion! Building jar: C:\Users\Wühlhase\Desktop\MathParser.org-mXparser-master\MathParser.org-mXparser-master\CURRENT\java\target\MathParser.org-mXparser-4.1.1.jar --- maven-javadoc-plugin:2.10.4:jar (attach-javadocs) @ MathParser.org-mXparser --- --- maven-source-plugin:3.0.1:jar-no-fork (attach-sources) @ MathParser.org-mXparser --- No sources in project. Archive not created. --- maven-gpg-plugin:1.6:sign (sign-artifacts) @ MathParser.org-mXparser --- ------------------------------------------------------------------------ BUILD FAILURE ------------------------------------------------------------------------ Total time: 9.258s Finished at: Sun May 27 17:30:36 CEST 2018 Final Memory: 15M/218M ------------------------------------------------------------------------ Failed to execute goal org.apache.maven.plugins:maven-gpg-plugin:1.6:sign (sign-artifacts) on project MathParser.org-mXparser: Unable to execute gpg command: Error while executing process. Cannot run program "gpg.exe": CreateProcess error=2, Das System kann die angegebene Datei nicht finden -> [Help 1] To see the full stack trace of the errors, re-run Maven with the -e switch. Re-run Maven using the -X switch to enable full debug logging. For more information about the errors and possible solutions, please read the following articles: [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException