node {
  git url: 'https://github.com/jglick/simple-maven-project-with-tests.git'
  def mvnHome = tool 'M3'
  bat "${mvnHome}\\bin\\mvn -B verify"
}

Started by user Administrateur
[Pipeline] Allocate node : Start
Running on master in C:\Program Files (x86)\Jenkins\workspace\myPipeline
[Pipeline] node {
[Pipeline] git
Cloning the remote Git repository
remote: Counting objects
Receiving objects
Resolving deltas
Updating references
Checking out Revision 7dac409d4bd2fec35a4ccde0cb424042cba671df (refs/remotes/origin/master)
First time build. Skipping changelog.
[Pipeline] tool
Unpacking http://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.3.9/apache-maven-3.3.9-bin.zip to C:\Program Files (x86)\Jenkins\tools\hudson.tasks.Maven_MavenInstallation\M3 on Jenkins
[Pipeline] bat
[myPipeline] Running batch script

C:\Program Files (x86)\Jenkins\workspace\myPipeline>C:\Program Files (x86)\Jenkins\tools\hudson.tasks.Maven_MavenInstallation\M3\bin\mvn -B verify 
'C:\Program' is not recognized as internal or external command, an executable program or a commands file.
[Pipeline] } //node
[Pipeline] Allocate node : End
[Pipeline] End of Pipeline
ERROR: script returned exit code 1
Finished: FAILURE

node {
  git url: 'https://github.com/jglick/simple-maven-project-with-tests.git'
  def mvnHome = tool 'M3'
  bat "\"${mvnHome}\"\\bin\\mvn -B verify"
}