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javaspring-bootprogram-entry-point

How to run spring boot project with multiple main classes

I have a spring boot project with 3 main classes

com.abc.test --> Application
com.abc.test.pqr  --> ApplicationMain2
com.abc.test.xyz  --> ApplicationMain3

Now spring boot project is unable to build so I have given POM entry as

<properties>
        <start-class>com.abc.test.Application</start-class>
</properties>

From eclipse I am able to run all 3 Main successfully and create a jar. But whenever I am trying to run jar with command its running Application class.

java -jar -Dloader.main=com.abc.test.pqr.ApplicationMain2 test-1.0.jar

With following commands giving error of class not found

java -cp test-1.0.jar -Dloader.main=com.abc.test.pqr.ApplicationMain2 
java -cp -Dloader.main=com.abc.test.pqr.ApplicationMain2 test-1.0.jar com.abc.test.pqr.ApplicationMain2
java -classpath test-1.0.jar com.abc.test.pqr.ApplicationMain2
Solution

  • Thanks a lot Ashish Command I used to run was

    java -cp test-1.0.jar -Dloader.main=com.abc.test.pqr.ApplicationMain2

    The problem is we are not including PropertiesLauncher. Along with class we are also required to give path of property launcher explicitly. So correct command is as below

    java -cp test-1.0.jar -Dloader.main=com.abc.test.pqr.ApplicationMain2 org.springframework.boot.loader.PropertiesLauncher