[ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run (make) on project hadoop-common: An Ant BuildException has occured: exec returned: 2
[ERROR] around Ant part ...... @ 7:124 in /opt/hadoop-2.7.4-src/hadoop-common-project/hadoop-common/target/antrun/build-main.xml
[ERROR] -> [Help 1]
[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] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] Apache Software Foundation
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn -rf :hadoop-common