Update Jenkinsfile

Jenkinsfile

 pipeline {    
-
   agent any    
-
   stages {        
-
     stage('Prepare') {            
-
       agent any
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       steps {
-
         checkout scm
-
       }
-
       post {
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         success {
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           echo 'prepare success'
-
         }
-
         always {
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           echo 'done prepare'
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         }
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         cleanup { 
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           echo 'after all other post conditions'
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         }
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       }
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     }
-
-    
-
-pipeline {    
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-  agent any    
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-  stages {        
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-    stage('Prepare') {            
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-      agent any
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+    stage('maven build') {
         steps {
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-        checkout scm
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+            sh 'mvn package'
         }
-
         post {
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             success {
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-          echo 'prepare success'
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+                echo 'maven build success'
+            }  
+            failure {
+            echo 'maven build failed'
             }
-
-        always {
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-          echo 'done prepare'
-
         }
-
-        cleanup { 
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-          echo 'after all other post conditions'
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     }
-
   }
-
 }
+