Fix initial download of decompiler when version not provided

[manofthepeace]

Got this when packaging;

java.io.FileNotFoundException: https://repo.maven.apache.org/maven2/org/vineflower/vineflower/null/vineflower-null.jar

[gsmet]

Thanks for the PR. I think it makes a lot of sense but I will let @geoand have the final say.

[geoand]

Thanks!

[quarkus-bot]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit 041d91e.

✅ The latest workflow run for the pull request has completed successfully.

It should be safe to merge provided you have a look at the other checks in the summary.

You can consult the Develocity build scans.

---

Flaky tests - Develocity

⚙️ JVM Tests - JDK 21

📦 extensions/smallrye-openapi/deployment

❌ io.quarkus.smallrye.openapi.test.vertx.OpenApiHttpRootPathCorsTestCase.testCorsFilterProperties - History

• 1 expectation failed. Expected status code <200> but was <500>. - java.lang.AssertionError

java.lang.AssertionError: 
1 expectation failed.
Expected status code <200> but was <500>.

	at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
	at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:73)

---

⚙️ Gradle Tests - JDK 17

📦 integration-tests/gradle

❌ io.quarkus.gradle.TestFixturesClientExceptionMapperTest.testBasicMultiModuleBuild - History

• Gradle build failed with exit code 1 - java.lang.AssertionError

java.lang.AssertionError: Gradle build failed with exit code 1
	at io.quarkus.gradle.QuarkusGradleWrapperTestBase.runGradleWrapper(QuarkusGradleWrapperTestBase.java:173)
	at io.quarkus.gradle.QuarkusGradleWrapperTestBase.runGradleWrapper(QuarkusGradleWrapperTestBase.java:87)
	at io.quarkus.gradle.QuarkusGradleWrapperTestBase.runGradleWrapper(QuarkusGradleWrapperTestBase.java:82)
	at io.quarkus.gradle.TestFixturesClientExceptionMapperTest.testBasicMultiModuleBuild(TestFixturesClientExceptionMapperTest.java:12)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)

• Gradle build failed with exit code 1 - java.lang.AssertionError

java.lang.AssertionError: Gradle build failed with exit code 1
	at io.quarkus.gradle.QuarkusGradleWrapperTestBase.runGradleWrapper(QuarkusGradleWrapperTestBase.java:173)
	at io.quarkus.gradle.QuarkusGradleWrapperTestBase.runGradleWrapper(QuarkusGradleWrapperTestBase.java:87)
	at io.quarkus.gradle.QuarkusGradleWrapperTestBase.runGradleWrapper(QuarkusGradleWrapperTestBase.java:82)
	at io.quarkus.gradle.TestFixturesClientExceptionMapperTest.testBasicMultiModuleBuild(TestFixturesClientExceptionMapperTest.java:12)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)

• Gradle build failed with exit code 1 - java.lang.AssertionError

java.lang.AssertionError: Gradle build failed with exit code 1
	at io.quarkus.gradle.QuarkusGradleWrapperTestBase.runGradleWrapper(QuarkusGradleWrapperTestBase.java:173)
	at io.quarkus.gradle.QuarkusGradleWrapperTestBase.runGradleWrapper(QuarkusGradleWrapperTestBase.java:87)
	at io.quarkus.gradle.QuarkusGradleWrapperTestBase.runGradleWrapper(QuarkusGradleWrapperTestBase.java:82)
	at io.quarkus.gradle.TestFixturesClientExceptionMapperTest.testBasicMultiModuleBuild(TestFixturesClientExceptionMapperTest.java:12)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)