Lack of support for `static void main()` in JDK 25

[wendigo]

JDK 25 supports non-public main methods without String[] args which exec-maven-plugin can't handle right now.

[slawekjaranowski]

We have a tests for that ....
https://github.com/search?q=repo%3Amojohaus%2Fexec-maven-plugin+JSR512Dummy&type=code

Are some thing missing ... or tests not show a problem?

Also JDK 25 is used under CI.

[wendigo]

@slawekjaranowski yeah, but it wasn't released and I'm using a latest release

[wendigo]

7a66c3e was added after 3.6.2

[wendigo]

Duplicate of #494

[slawekjaranowski]

7a66c3e was added after 3.6.2

it was only a test which confirm that is ok .... so do we have any changes which is not released?

[wendigo]

@slawekjaranowski no idea, but that 3.6.2 didn't work for us on JDK 25

[wendigo]

    java.lang.Exception: The specified mainClass doesn't contain a main method with appropriate signature.
        at org.codehaus.mojo.exec.ExecJavaMojo.lambda$execute$0 (ExecJavaMojo.java:285)
        at java.lang.Thread.run (Thread.java:1474)
    Caused by: java.lang.NoSuchMethodException: no such method: io.starburst.icehouse.pulumi.PulumiProvisioning.main(String[])void/invokeStatic
        at java.lang.invoke.MemberName.makeAccessException (MemberName.java:910)
        at java.lang.invoke.MemberName$Factory.resolveOrFail (MemberName.java:989)
        at java.lang.invoke.MethodHandles$Lookup.resolveOrFail (MethodHandles.java:3591)
        at java.lang.invoke.MethodHandles$Lookup.findStatic (MethodHandles.java:2520)
        at org.codehaus.mojo.exec.ExecJavaMojo.doExec (ExecJavaMojo.java:360)
        at org.codehaus.mojo.exec.ExecJavaMojo.lambda$execute$0 (ExecJavaMojo.java:280)
        at java.lang.Thread.run (Thread.java:1474)
    Caused by: java.lang.NoSuchMethodError: 'void io.starburst.icehouse.pulumi.PulumiProvisioning.main(java.lang.String[])'
        at java.lang.invoke.MethodHandleNatives.resolve (Native Method)
        at java.lang.invoke.MemberName$Factory.resolve (MemberName.java:957)
        at java.lang.invoke.MemberName$Factory.resolveOrFail (MemberName.java:986)
        at java.lang.invoke.MethodHandles$Lookup.resolveOrFail (MethodHandles.java:3591)
        at java.lang.invoke.MethodHandles$Lookup.findStatic (MethodHandles.java:2520)
        at org.codehaus.mojo.exec.ExecJavaMojo.doExec (ExecJavaMojo.java:360)
        at org.codehaus.mojo.exec.ExecJavaMojo.lambda$execute$0 (ExecJavaMojo.java:280)
        at java.lang.Thread.run (Thread.java:1474)

I think that this is because

exec-maven-plugin/src/main/java9/org/codehaus/mojo/exec/ExecJavaMojo.java

Line 97 in cdaf267

private void executeMainMethodForModule(Class<?> bootClass) throws Throwable {

only supports main(String[])

[slawekjaranowski]

eh there is also:

exec-maven-plugin/src/main/java/org/codehaus/mojo/exec/AbstractExecJavaBase.java

Line 397 in cdaf267

protected void executeMainMethod(Class<?> bootClass) throws Throwable {

maybe one method should be used ....

[mihxil]

I think it is fixed if we just make the constructor accessible
See
#515