mvn command execution failed java.io.IOException: error=2, No such file or directory

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)
Caused: java.io.IOException: Cannot run program "mvn" (in directory "/var/lib/jenkins/workspace/hhbjn"): error=2, No such file or directory
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at hudson.Proc$LocalProc.<init>(Proc.java:249)
at hudson.Proc$LocalProc.<init>(Proc.java:218)
at hudson.Launcher$LocalLauncher.launch(Launcher.java:936)
at hudson.Launcher$ProcStarter.start(Launcher.java:455)
at hudson.Launcher$ProcStarter.join(Launcher.java:466)
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:744)
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:1810)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:97)
at hudson.model.Executor.run(Executor.java:429)
Build step 'Invoke top-level Maven targets' marked build as failure
Finished: FAILURE

you will get this error or log when you have not configured maven correctly in jenkinsHow To Configure Maven In Jenkins