ClassNotFoundException / Missing Java 21 Classes

[dhoard]

Summary

The 0.0.8 release jar appears to be missing Java 21 classes, resulting in a ClassNotFoundException

Steps to reproduce

• Upgrade to the 0.0.8 release.
• Execute code using Java 21.
• ClassNotFoundException is generated.

Investigation

Inspecting the contents of the 0.0.8 jar, it appears to have missing classes...

0.0.7 jar

> unzip -t virtual-threads-bridge-0.0.7.jar | grep 21
    testing: META-INF/versions/21/    OK
    testing: META-INF/versions/21/io/   OK
    testing: META-INF/versions/21/io/github/   OK
    testing: META-INF/versions/21/io/github/thunkware/   OK
    testing: META-INF/versions/21/io/github/thunkware/vt/   OK
    testing: META-INF/versions/21/io/github/thunkware/vt/bridge/   OK
    testing: META-INF/versions/21/io/github/thunkware/vt/bridge/ThreadProvider21.class   OK
    testing: META-INF/versions/21/io/github/thunkware/vt/bridge/ThreadBuilders21$PlatformThreadBuilder.class   OK
    testing: META-INF/versions/21/io/github/thunkware/vt/bridge/ThreadBuilders21$VirtualThreadBuilder.class   OK
    testing: META-INF/versions/21/io/github/thunkware/vt/bridge/ThreadBuilders21.class   OK

0.0.8 jar

> unzip -t virtual-threads-bridge-0.0.8.jar | grep 21
(no classes)

Local build

Building the project locally, the jar contains Java 21 classes and works correctly.

Exception

java.lang.IllegalStateException: Cannot create ThreadProvider
	at 6bc6660d778dec84d62bc72b295ffd7b.io.github.thunkware.vt.bridge.ThreadProviderFactory.createThreadProvider(ThreadProviderFactory.java:50)
	at 6bc6660d778dec84d62bc72b295ffd7b.io.github.thunkware.vt.bridge.ThreadProviderFactory.getThreadProvider(ThreadProviderFactory.java:18)
	at 6bc6660d778dec84d62bc72b295ffd7b.io.github.thunkware.vt.bridge.ThreadProvider.getThreadProvider(ThreadProvider.java:144)
	at 6bc6660d778dec84d62bc72b295ffd7b.io.github.thunkware.vt.bridge.ThreadTool.hasVirtualThreads(ThreadTool.java:31)
Caused by: java.lang.ClassNotFoundException: 6bc6660d778dec84d62bc72b295ffd7b.io.github.thunkware.vt.bridge.ThreadProvider21
	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:225)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:210)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:205)
	at java.base/java.lang.Class.forName0(Native Method)
	at java.base/java.lang.Class.forName(Class.java:421)
	at java.base/java.lang.Class.forName(Class.java:412)
	at 6bc6660d778dec84d62bc72b295ffd7b.io.github.thunkware.vt.bridge.ThreadProviderFactory.createThreadProvider(ThreadProviderFactory.java:58)
	at 6bc6660d778dec84d62bc72b295ffd7b.io.github.thunkware.vt.bridge.ThreadProviderFactory.createThreadProvider(ThreadProviderFactory.java:48)
	... 3 more

[maxxedev]

Thanks for pulling down the new release from yesterday and thanks for the detailed bug report!

It should be fixed now with the new release from today.