Build failed in Jenkins: ManifoldCF » ManifoldCF-mvn-1x #9

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See 
<https://ci-builds.apache.org/job/ManifoldCF/job/ManifoldCF-mvn-1x/9/display/redirect>

Changes:


------------------------------------------
Started by an SCM change
Running as SYSTEM
[EnvInject] - Loading node environment variables.
Building remotely on H34 (ubuntu) in workspace 
<https://ci-builds.apache.org/job/ManifoldCF/job/ManifoldCF-mvn-1x/ws/>
Updating https://svn.apache.org/repos/asf/manifoldcf/branches/dev_1x at 
revision '2020-12-15T01:11:10.448 +0000'
At revision 1884438

[ManifoldCF-mvn-1x] $ mvn -DskipTests=false -DskipITs=true clean -DskipTests 
-DskipITs install
FATAL: command execution failed
java.io.IOException: error=2, No such file or directory
        at java.lang.UNIXProcess.forkAndExec(Native Method)
        at java.lang.UNIXProcess.<init>(UNIXProcess.java:247)
        at java.lang.ProcessImpl.start(ProcessImpl.java:134)
        at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
Also:   hudson.remoting.Channel$CallSiteStackTrace: Remote call to H34
                at 
hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1788)
                at 
hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:356)
                at hudson.remoting.Channel.call(Channel.java:998)
                at hudson.Launcher$RemoteLauncher.launch(Launcher.java:1057)
                at hudson.Launcher$ProcStarter.start(Launcher.java:454)
                at hudson.Launcher$ProcStarter.join(Launcher.java:465)
                at hudson.tasks.Maven.perform(Maven.java:368)
                at 
hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
                at 
hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:741)
                at hudson.model.Build$BuildExecution.build(Build.java:206)
                at hudson.model.Build$BuildExecution.doRun(Build.java:163)
                at 
hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:504)
                at hudson.model.Run.execute(Run.java:1880)
                at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
                at 
hudson.model.ResourceController.execute(ResourceController.java:97)
                at hudson.model.Executor.run(Executor.java:428)
Caused: java.io.IOException: Cannot run program "mvn" (in directory 
"<https://ci-builds.apache.org/job/ManifoldCF/job/ManifoldCF-mvn-1x/ws/";)>: 
error=2, No such file or directory
        at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
        at hudson.Proc$LocalProc.<init>(Proc.java:252)
        at hudson.Proc$LocalProc.<init>(Proc.java:221)
        at hudson.Launcher$LocalLauncher.launch(Launcher.java:936)
        at hudson.Launcher$ProcStarter.start(Launcher.java:454)
        at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:1316)
        at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:1269)
        at hudson.remoting.UserRequest.perform(UserRequest.java:211)
        at hudson.remoting.UserRequest.perform(UserRequest.java:54)
        at hudson.remoting.Request$2.run(Request.java:369)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Build step 'Invoke top-level Maven targets' marked build as failure