Build failed in Jenkins: xmlsectool-v2-nightly #1369

[Shibboleth Jenkins]

See <http://127.0.0.1:1583/jenkins/job/xmlsectool-v2-nightly/1369/display/redirect>

------------------------------------------
Started by upstream project "java-opensaml-v3-nightly" build number 1545
originally caused by:
 Started by upstream project "spring-extensions-v5-nightly" build number 1540
 originally caused by:
  Started by upstream project "java-support-v7-nightly" build number 1540
  originally caused by:
   Started by upstream project "java-parent-project-v7-nightly" build number 1536
   originally caused by:
    Started by upstream project "trigger-nightly-v7" build number 1532
    originally caused by:
     Started by timer
Running as SYSTEM
Building remotely on EC2 (RHEL8) - RHEL8 (i-055479c22b8a901ec) (aws-rhel8) in workspace <http://127.0.0.1:1583/jenkins/job/xmlsectool-v2-nightly/ws/>
No credentials specified
Cloning the remote Git repository
Cloning repository git://git.shibboleth.net/xmlsectool
 > git init <http://127.0.0.1:1583/jenkins/job/xmlsectool-v2-nightly/ws/> # timeout=10
Fetching upstream changes from git://git.shibboleth.net/xmlsectool
 > git --version # timeout=10
 > git fetch --tags --progress git://git.shibboleth.net/xmlsectool +refs/heads/*:refs/remotes/origin/*
 > git config remote.origin.url git://git.shibboleth.net/xmlsectool # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url git://git.shibboleth.net/xmlsectool # timeout=10
Fetching upstream changes from git://git.shibboleth.net/xmlsectool
 > git fetch --tags --progress git://git.shibboleth.net/xmlsectool +refs/heads/*:refs/remotes/origin/*
 > git rev-parse refs/remotes/origin/maint-2^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/maint-2^{commit} # timeout=10
Checking out Revision 522f90c6659f6bf43c5a774207fe554e19a90149 (refs/remotes/origin/maint-2)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 522f90c6659f6bf43c5a774207fe554e19a90149
Commit message: "Update dependency versions to latest released."
 > git rev-list --no-walk 522f90c6659f6bf43c5a774207fe554e19a90149 # timeout=10
FATAL: Couldn’t find any executable in /opt/maven
Build step 'Invoke top-level Maven targets' marked build as failure
Publishing Javadoc
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.