See
https://builds.apache.org/job/maven-box/job/maven-site-plugin/job/MSITE-845/3/
Changes:
* exclude nodes with MAVEN_OPTS issues
* exclude more nodes with MAVEN_OPTS issues
* exclude more nodes with MAVEN_OPTS issues
* stop avoiding nodes with MAVEN_OPTS issue
* [INFRA-18734] Jenkins builds fail on email notifications due to unknown
* Scripts not permitted to use staticMethod
* excluded message body from the log message
* NotSerializableException: hudson.plugins.git.GitChangeSetList
* investigating permissions to the call 'ChangeSetList.author'
* NotSerializableException: hudson.plugins.git.GitChangeSetList
* [INFRA-18734] Jenkins builds fail on email notifications due to unknown
* Prevent Caused: java.io.NotSerializableException: hudson.model.User
* added archives
* added archives fix
* print disk space usage
* sh 'df -hT'
* [INFRA-18734] Jenkins builds fail on email notifications due to unknown
* last() cannot be called on []
* [improvement] currentBuild.changeSets can be referenced as changes
* moved the fix of INFRA-18734 to jenkinsNotify
* ${env.EXECUTOR_NUMBER} returns null
* inline env.BRANCH_NAME directly in IF statement
* used env.EXECUTOR_NUMBER
* moved "def localRepo ..." to the stage execution block
All tests passed
