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Rolf Schumacher commented on MCOMPILER-360: ------------------------------------------- Never used a toolchain.xml. The default Java on my machine is 10.0.2, Java 1.8.0 is installed, too, but not active. Did I get you right to run _mvn verify_ with Java 1.8.0 while directing the pom.xml of MCOMPILER-360 to use 10.0.2? Also: I can _mvn install_ 3.8.1-SNAPSHOT, the one from the git repo. Is that one equipped with your patch (as I guessed)? Than the np failure should have been gone if I use 3.8.1-SNAPSHOT in pom.xml of MCOMPILER-360 an run _mvn test_. Right? Its not. > nullpointer exception > --------------------- > > Key: MCOMPILER-360 > URL: https://issues.apache.org/jira/browse/MCOMPILER-360 > Project: Maven Compiler Plugin > Issue Type: Bug > Affects Versions: 3.8.0 > Environment: Linux 4.9.0-8-amd64 #1 SMP Debian 4.9.110-3+deb9u4 > (2018-08-21) x86_64 GNU/Linux > java version "10.0.2" 2018-07-17 > Apache Maven 3.5.4 > Reporter: Rolf Schumacher > Priority: Major > Labels: build, maven, newbie > Attachments: 2018-09-06-stacktrace.txt, MCOMPILER-360.tar.gz, > mvn-verify-result.txt > > > Trying to migrate an saxon/fop maven project to Java 10. > Added module-info.java, entered all required Automatic names. No compiler > failures in Eclipse. Running "mvn -e test" leads to 2 warnings and a > maven-compile-plugin error > Failed to execute goal > org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile > (default-compile) on project xslt: Execution default-compile of goal > org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile failed. > NullPointerException -> [Help 1] > Full output is attached. -- This message was sent by Atlassian JIRA (v7.6.3#76005)