Pass command line Params in mvn exec:exec

Question

I am amazed that what should have been a very easy job is turning into a very annoying task for me. All i need is to pass few command line parameters to my maven exec:exec plugin. unfortunately hours of googling has not helped at all.

Here is my plugin

<plugin>     <groupId>org.codehaus.mojo</groupId>     <artifactId>exec-maven-plugin</artifactId>     <version>1.2</version>     <dependencies>         <dependency>             <groupId>org.springframework</groupId>             <artifactId>spring-instrument</artifactId>             <version>${spring.version}</version>         </dependency>     </dependencies>     <configuration>         <executable>java</executable>         <arguments>             <argument>-classpath</argument>             <classpath />             <argument>-javaagent:${settings.localRepository}/org/springframework/spring-instrument/${spring.version}/spring-instrument-${spring.version}.jar</argument>             <argument>-Xmx256m</argument>             <argument>com.myPackage.Myclass</argument>         </arguments>     </configuration>     <executions>         <execution>             <goals>                 <goal>exec</goal>             </goals>         </execution>     </executions> </plugin> 

Now from the command prompt i am typing in:

mvn exec:exec -Dexec.args=-Dmy.property=myProperty 

I also tried:

mvn exec:exec -Dexec.arguments=-Dmy.property=myProperty 

And many other things. However nothing seems to be working. I know that exec:exec runs in a separate VM but as per the documentation -Dexec.args should work for me. Can someone please suggest where i am going wrong?

Answer 1

Two ways to pass command line arguments into mvn:exec:

Method 1, on the command line:

mvn exec:java -Dexec.mainClass="com.myPackage.myClass" -Dexec.args="command line arguments" 

Method 2, in the maven POM file:

<build>   <plugins>     <plugin>       <groupId>org.codehaus.mojo</groupId>       <artifactId>exec-maven-plugin</artifactId>       <configuration>         <mainClass>com.myPackage.myClass</mainClass>         <commandlineArgs>command line arguments</commandlineArgs>       </configuration>     </plugin>   </plugins> </build> 

Then on the command line all you have to do is run:

mvn exec:java 

Good luck.

Answer 2

I was able to get JVM args working for exec:exec using the following after reading this article:

    <build>       <plugins>         <plugin>             <groupId>org.codehaus.mojo</groupId>             <artifactId>exec-maven-plugin</artifactId>             <executions>                 <execution>                     <goals>                         <goal>java</goal>                     </goals>                 </execution>             </executions>             <configuration>                 <executable>java</executable>                 <arguments>                     <argument>-Dhttp.proxyHost=myproxy.example.com</argument>                     <argument>-Dhttp.proxyPort=8080</argument>                     <argument>-classpath</argument>                     <classpath />                     <argument>com.example.Main</argument>                 </arguments>             </configuration>         </plugin>       </plugins>     </build>