App not starting with Java21 - JarIndex not found

[mredeker]

All,

we are testing our application with Java21 and realized that it does not start with OpenWebstart 1.8 and Temurin 21.
Here is the error from the log:

Code: Select all

Closing DownloadServiceListener
Exiting Boot.mainWithReturnCode() with 0
    ... 13 more 
    at net.adoptopenjdk.icedteaweb.jdk89access.JarIndexAccess.<clinit>(JarIndexAccess.java:39) 
Caused by: java.lang.RuntimeException: JarIndex not found! 
    at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:660) 
    at net.sourceforge.jnlp.Launcher.access$300(Launcher.java:71) 
    at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:373) 
    at net.sourceforge.jnlp.Launcher.createApplication(Launcher.java:584) 
    at net.sourceforge.jnlp.runtime.classloader.JNLPClassLoader.getInstance(JNLPClassLoader.java:468) 
    at net.sourceforge.jnlp.runtime.classloader.JNLPClassLoader.getInstance(JNLPClassLoader.java:495) 
    at net.sourceforge.jnlp.runtime.classloader.JNLPClassLoader.createInstance(JNLPClassLoader.java:423) 
    at net.sourceforge.jnlp.runtime.classloader.JNLPClassLoader.<init>(JNLPClassLoader.java:350) 
    at net.sourceforge.jnlp.runtime.classloader.JNLPClassLoader.initializeResources(JNLPClassLoader.java:827) 
    at net.sourceforge.jnlp.runtime.classloader.JNLPClassLoader.activateJars(JNLPClassLoader.java:1177) 
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:400) 
    at net.sourceforge.jnlp.runtime.classloader.JNLPClassLoader.lambda$activateJars$3(JNLPClassLoader.java:1176) 
    at net.sourceforge.jnlp.runtime.classloader.JNLPClassLoader.doActivateJars(JNLPClassLoader.java:1276) 
Caused by: java.lang.ExceptionInInitializerError 
    at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:681) 
Exception in thread "NEO Warenwirtschaftssystem" java.lang.RuntimeException: java.lang.ExceptionInInitializerError 
General Throwable encountered:
jdk.internal.util.jar.JarIndex not found
sun.misc.JarIndex not found - Running jdk9+ ?
DownloadServiceListener will be disposed

Could that have todo with this issue: https://www.mail-archive.com/debian-bug ... 33238.html

[Janak Mulani]

I will try to reproduce it and revert.

[Janak Mulani]

I could reproduce.

With Java 11,17,18,19,20: App runs even if sun.misc.JarIndex not found, jdk.internal.util.jar.JarIndex is found and used.

With Java 21 jdk.internal.util.jar.JarIndex is not found.

[Janak Mulani]

We have created an issue and will try to fix in the upcoming release.

Probable fix could be for OWS/ITW to ignore loading classes from Jar Indexes for JDK >= 21

https://bugs.openjdk.org/browse/JDK-8302819

"
https://www.oracle.com/java/technologie ... NewFeature

core-libs/java.util.jar
➜ Remove the JAR Index Feature (JDK-8302819)

The "JAR Index" feature has been dropped from the JAR file specification. JAR Index was a legacy optimization in early JDK releases to allow downloading of JAR files to be postponed when loading applets or other classes over the network. The feature has been disabled since JDK 18, meaning the META-INF/INDEX.LIST entry in a JAR file is ignored at run-time.

The system property jdk.net.URLClassPath.enableJarIndex, introduced in JDK 18 to re-enable the feature, has been removed. Setting this property no longer has any effect.

As part of the change, the jar tool will now output a warning if the -i or --generate-index options are used."

[Janak Mulani]

This has been fixed https://github.com/AdoptOpenJDK/IcedTea-Web/pull/925 and will be part of the next release.

[mredeker]

Thanks for looking into this.
No rush for us, so next release is fine.

[bfolleas]

Hello,
when do you plan to release a version with this fix ?

[Janak Mulani]

Planned for this week unless there are some issues.

[Stephan Classen]

new release 1.9.0 is now available

[MoAlom]

Hi All, Does anyone know how to resolve the issue. This issue is affecting all our users within the organization. Is it possible to download the older version of the JVM instead of using version 21.

[Janak Mulani]

Are you still getting "Caused by: java.lang.RuntimeException: JarIndex not found!". ? This is fixed in OWS 1.9.0.

Of course you can specify the Java version you want to use to start the application in your Jnlp file. What have you specified in your Jnlp file.

Also what does your JVM Manager setting look like in itw-settings?

[bfolleas]

The issue is fixed for me with OpenJDK 21.0.1. In jnlp is specified 21+