Re: New WEKA release: 3.8.6/3.9.6

> On Feb 7, 2022, at 8:16 PM, Eibe Frank <[email protected]> wrote:
> 
> WEKA 3.8.6/3.9.6 has been released. The Windows, Mac, and Linux versions include a Java 17 runtime now. 

Quite the jump.

I take it quite a few packages might need updating…

WekaPackageManager] Skipping package RPlugin because it is not compatible with Weka 3.8.6
[WekaPackageManager] Skipping package distributedWekaSpark because it is not compatible with Weka 3.8.6
[WekaPackageManager] Skipping package command-to-code because it is not compatible with Weka 3.8.6
[WekaPackageManager] Skipping package wekaServer because it is not compatible with Weka 3.8.6
[WekaPackageManager] Skipping package XGBoost because it is not compatible with Weka 3.8.6
[WekaPackageManager] Skipping package command-to-code because it is not compatible with Weka 3.8.6
[WekaPackageManager] Skipping package distributedWekaBase because it is not compatible with Weka 3.8.6

My application including weka.jar that does this at startup…

WekaPackageManager.loadPackages(false,true,false);

Still gets a startup exception…

java.lang.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @4426bff1
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(Unknown Source)
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(Unknown Source)
	at java.base/java.lang.reflect.Method.checkCanSetAccessible(Unknown Source)
	at java.base/java.lang.reflect.Method.setAccessible(Unknown Source)
	at weka.core.WekaPackageClassLoaderManager.injectClasses(WekaPackageClassLoaderManager.java:792)
	at weka.core.WekaPackageClassLoaderManager.injectAllClassesInFromStream(WekaPackageClassLoaderManager.java:690)
	at weka.core.WekaPackageClassLoaderManager.injectMTJCoreClasses(WekaPackageClassLoaderManager.java:118)
	at weka.core.WekaPackageManager.<clinit>(WekaPackageManager.java:255)
	at org.cmdline.common.Initializer.initialize(Initializer.java:51)
	at org.cmdline.common.Initializer.getScheduler(Initializer.java:102)
	at org.cmdline.CommandLine.main(CommandLine.java:59)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
	at java.base/java.lang.reflect.Method.invoke(Unknown Source)
	at us.hall.hp.common.LoaderLaunchStub.invoke(LoaderLaunchStub.java:234)
	at us.hall.hp.common.LoaderLaunchStub.runStatic(LoaderLaunchStub.java:224)
	at us.hall.hp.common.LoaderLaunchStub.runMain(LoaderLaunchStub.java:216)
	at us.hall.hp.common.LoaderLaunchStub.launch(LoaderLaunchStub.java:204)
	at us.hall.hp.common.LoaderLaunchStub.main(LoaderLaunchStub.java:116)

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