stage('Do Maven stuff') {
    withMaven(jdk: 'openjdk8') {
        String version = sh(returnStdout: true, script: 'mvn help:evaluate -Dexpression=project.version -q -DforceStdout').trim()
        sh("mvn versions:set -DnewVersion=$version -DgenerateBackupPoms=false")
    }
}

[Pipeline] stage
[Pipeline] { (Get Version8)
[Pipeline] withMaven
[withMaven] Options: []
[withMaven] Available options: 
[withMaven] using JDK installation openjdk8
[withMaven] using Maven installation provided by the build agent with the environment variable MAVEN_HOME=/usr/share/maven
[Pipeline] {
[Pipeline] sh
+ mvn help:evaluate -Dexpression=project.version -q -DforceStdout
Picked up JAVA_TOOL_OPTIONS: -Dmaven.ext.class.path="/home/jenkins/workspace/<REDACTED>" -Dorg.jenkinsci.plugins.pipeline.maven.reportsFolder="/home/jenkins/workspace/<REDACTED>@tmp/withMavenb936db0e" 
[Pipeline] sh
+ mvn versions:set -DnewVersion=----- withMaven Wrapper script -----
----- withMaven Wrapper script -----
Picked up JAVA_TOOL_OPTIONS: -Dmaven.ext.class.path="/home/jenkins/workspace/<REDACTED>@tmp/withMavenb936db0e/pipeline-maven-spy.jar" -Dorg.jenkinsci.plugins.pipeline.maven.reportsFolder="/home/jenkins/workspace/<REDACTED>@tmp/withMavenb936db0e" 
Unable to parse command line options: Unrecognized option: -----

usage: mvn [options] [<goal(s)>] [<phase(s)>]

Options:
 -am,--also-make                        If project list is specified, also
                                        build projects required by the
                                        list
 -amd,--also-make-dependents            If project list is specified, also
                                        build projects that depend on
                                        projects on the list
 -B,--batch-mode                        Run in non-interactive (batch)
                                        mode (disables output color)
 -b,--builder <arg>                     The id of the build strategy to
                                        use
 -C,--strict-checksums                  Fail the build if checksums don't
                                        match
 -c,--lax-checksums                     Warn if checksums don't match
 -cpu,--check-plugin-updates            Ineffective, only kept for
                                        backward compatibility
 -D,--define <arg>                      Define a system property
 -e,--errors                            Produce execution error messages
 -emp,--encrypt-master-password <arg>   Encrypt master security password
 -ep,--encrypt-password <arg>           Encrypt server password
 -f,--file <arg>                        Force the use of an alternate POM
                                        file (or directory with pom.xml)
 -fae,--fail-at-end                     Only fail the build afterwards;
                                        allow all non-impacted builds to
                                        continue
 -ff,--fail-fast                        Stop at first failure in
                                        reactorized builds
 -fn,--fail-never                       NEVER fail the build, regardless
                                        of project result
 -gs,--global-settings <arg>            Alternate path for the global
                                        settings file
 -gt,--global-toolchains <arg>          Alternate path for the global
                                        toolchains file
 -h,--help                              Display help information
 -l,--log-file <arg>                    Log file where all build output
                                        will go (disables output color)
 -llr,--legacy-local-repository         Use Maven 2 Legacy Local
                                        Repository behaviour, ie no use of
                                        _remote.repositories. Can also be
                                        activated by using
                                        -Dmaven.legacyLocalRepo=true
 -N,--non-recursive                     Do not recurse into sub-projects
 -npr,--no-plugin-registry              Ineffective, only kept for
                                        backward compatibility
 -npu,--no-plugin-updates               Ineffective, only kept for
                                        backward compatibility
 -nsu,--no-snapshot-updates             Suppress SNAPSHOT updates
 -ntp,--no-transfer-progress            Do not display transfer progress
                                        when downloading or uploading
 -o,--offline                           Work offline
 -P,--activate-profiles <arg>           Comma-delimited list of profiles
                                        to activate
 -pl,--projects <arg>                   Comma-delimited list of specified
                                        reactor projects to build instead
                                        of all projects. A project can be
                                        specified by [groupId]:artifactId
                                        or by its relative path
 -q,--quiet                             Quiet output - only show errors
 -rf,--resume-from <arg>                Resume reactor from specified
                                        project
 -s,--settings <arg>                    Alternate path for the user
                                        settings file
 -t,--toolchains <arg>                  Alternate path for the user
                                        toolchains file
 -T,--threads <arg>                     Thread count, for instance 2.0C
                                        where C is core multiplied
 -U,--update-snapshots                  Forces a check for missing
                                        releases and updated snapshots on
                                        remote repositories
 -up,--update-plugins                   Ineffective, only kept for
                                        backward compatibility
 -v,--version                           Display version information
 -V,--show-version                      Display version information
                                        WITHOUT stopping build
 -X,--debug                             Produce execution debug output
[Pipeline] }
[withMaven] artifactsPublisher - Archive artifact pom.xml under <REDACTED>-SNAPSHOT.pom
[withMaven] Jenkins FindBugs Plugin not found, don't display org.codehaus.mojo:findbugs-maven-plugin:findbugs results in pipeline screen.
[withMaven] jgivenPublisher - Jenkins JGiven Plugin not found, do not archive jgiven reports.
[withMaven] Publishers: Pipeline Graph Publisher: 2 ms, Generated Artifacts Publisher: 94 ms
[Pipeline] // withMaven
[Pipeline] } 

traceability: false