Build failed in Jenkins: java-identity-provider-v4-nightly #249

[Shibboleth Jenkins]

See <http://127.0.0.1:1583/jenkins/job/java-identity-provider-v4-nightly/249/display/redirect?page=changes>

Changes:

[Scott Cantor] Convert default syntax from Map to Properties.

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Started by upstream project "java-opensaml-v4-nightly" build number 250
originally caused by:
 Started by upstream project "spring-extensions-v6-nightly" build number 646
 originally caused by:
  Started by upstream project "java-support-v8-nightly" build number 648
  originally caused by:
   Started by upstream project "java-parent-project-v11-nightly" build number 158
   originally caused by:
    Started by upstream project "trigger-nightly-v11" build number 157
    originally caused by:
     Started by timer
Running as SYSTEM
Building remotely on EC2 (RHEL8) - RHEL8 (i-0fdee647d9c91bffd) (aws-rhel8) in workspace <http://127.0.0.1:1583/jenkins/job/java-identity-provider-v4-nightly/ws/>
No credentials specified
Cloning the remote Git repository
Cloning repository git://git.shibboleth.net/java-identity-provider
 > git init <http://127.0.0.1:1583/jenkins/job/java-identity-provider-v4-nightly/ws/> # timeout=10
Fetching upstream changes from git://git.shibboleth.net/java-identity-provider
 > git --version # timeout=10
 > git fetch --tags --progress git://git.shibboleth.net/java-identity-provider +refs/heads/*:refs/remotes/origin/*
 > git config remote.origin.url git://git.shibboleth.net/java-identity-provider # 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-identity-provider # timeout=10
Fetching upstream changes from git://git.shibboleth.net/java-identity-provider
 > git fetch --tags --progress git://git.shibboleth.net/java-identity-provider +refs/heads/*:refs/remotes/origin/*
 > git rev-parse refs/remotes/origin/master^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/master^{commit} # timeout=10
Checking out Revision a4ff8d861485f38d273536e0bf90778fe38aa55e (refs/remotes/origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f a4ff8d861485f38d273536e0bf90778fe38aa55e
Commit message: "Convert default syntax from Map to Properties."
 > git rev-list --no-walk 19563342613afe5915ae1ae1d33319f660cde4bf # timeout=10
FATAL: Couldn’t find any executable in /opt/maven
Build step 'Invoke top-level Maven targets' marked build as failure