How to run a Maven project from Eclipse

Question

I am trying to run a simple Java project. I had created a project using the 'Maven Project' type. I have one main class called 'TestMain'. When I tried to run the project using right click -> run, there was no menu to run the application as 'Run As Java Application'. I am wondering where that option has gone.

Can anyone please help me to run the Java application?

User · Answer

Your Maven project doesn t seem to be configured as a Eclipse Java project  that is the Java nature is missing  the little  J  in the project icon    To enable this  the  lt packaging gt  element in your pom xml should be jar  or similar    Then  right-click the project and select Maven   Update Project Configuration  For this to work  you need to have m2eclipse installed  But since you had the   New       New Maven Project   wizard  I assume you have m2eclipse installed

User · Answer

Alt   Shift   X    then M to Run Maven Build  You will need to specify the Maven goals you want on Run - gt  Run Configurations

User · Answer

Well  you need to incorporate exec-maven-plugin  this plug-in performs the same thing that you do on command prompt when you type in java -cp   jarpaths TestMain  You can pass argument and define which phase  test  package  integration  verify  or deploy   you want this plug-in to call your main class    You need to add this plug-in under  lt build gt  tag and specify parameters  For example      lt project gt                       lt build gt        lt plugins gt         lt plugin gt          lt groupId gt org codehaus mojo lt  groupId gt          lt artifactId gt exec-maven-plugin lt  artifactId gt          lt version gt 1 1 1 lt  version gt          lt executions gt           lt execution gt            lt phase gt test lt  phase gt            lt goals gt             lt goal gt java lt  goal gt            lt  goals gt            lt configuration gt             lt mainClass gt my company name packageName TestMain lt  mainClass gt             lt arguments gt              lt argument gt myArg1 lt  argument gt              lt argument gt myArg2 lt  argument gt             lt  arguments gt            lt  configuration gt           lt  execution gt          lt  executions gt         lt  plugin gt        lt  plugins gt       lt  build gt                      lt  project gt    Now  if you right-click on on the project folder and do Run As  gt  Maven Test  or Run As  gt  Maven Package or Run As  gt  Maven Install  the test phase will execute and so your Main class

[java] How to run a Maven project from Eclipse?

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