Build failed in Jenkins: java-parent-project-v8-multi » JDK-10,WindowsServer2012 #176

[Shibboleth Jenkins]

See <https://build.shibboleth.net/jenkins/job/java-parent-project-v8-multi/jdk=JDK-10,label=WindowsServer2012/176/display/redirect>

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Started by upstream project "java-parent-project-v8-multi" build number 176
originally caused by:
 Started by timer
Building remotely on WindowsServer2012 (windows) in workspace <https://build.shibboleth.net/jenkins/job/java-parent-project-v8-multi/jdk=JDK-10,label=WindowsServer2012/ws/>
Cloning the remote Git repository
Cloning repository git://git.shibboleth.net/java-parent-project
 > git init <https://build.shibboleth.net/jenkins/job/java-parent-project-v8-multi/jdk=JDK-10,label=WindowsServer2012/ws/> # timeout=10
Fetching upstream changes from git://git.shibboleth.net/java-parent-project
 > git --version # timeout=10
 > git fetch --tags --progress git://git.shibboleth.net/java-parent-project +refs/heads/*:refs/remotes/origin/*
 > git config remote.origin.url git://git.shibboleth.net/java-parent-project # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url git://git.shibboleth.net/java-parent-project # timeout=10
Fetching upstream changes from git://git.shibboleth.net/java-parent-project
 > git fetch --tags --progress git://git.shibboleth.net/java-parent-project +refs/heads/*:refs/remotes/origin/*
Checking out Revision fdac17442326e61aeee6c77e6fcf9cc262e6ac1f (refs/remotes/origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f fdac17442326e61aeee6c77e6fcf9cc262e6ac1f
Commit message: "JPAR-110 - Java 11 removes modules deprecated in Java 9"
First time build. Skipping changelog.
[WindowsServer2012] $ cmd.exe /C '""C:\Program Files\Apache\apache-maven-3.3.1\bin\mvn.cmd"' -Djdk=JDK-10 -Dmatrix-combinations= -Dlabel=WindowsServer2012 clean test -Prelease --update-snapshots --fail-at-end && exit %%ERRORLEVEL%%"

Error: JAVA_HOME is set to an invalid directory. 
JAVA_HOME = "/opt/java10" 
Please set the JAVA_HOME variable in your environment to match the 
location of your Java installation. 

Build step 'Invoke top-level Maven targets' marked build as failure
TestNG Reports Processing: START
Looking for TestNG results report in workspace using pattern: **/target/surefire-reports/testng-results.xml
Did not find any matching files.