Problem loading extension on burp

[Xoiph0s]

Hi, i encountered this error when trying to load the extension.

[B-i-t-K]

I've got no idea where this come from, can you send me your java version your burp version ?

[UpcLeo]

i had the the error,and my java version is "1.8.0_181" burp version is v2.0.11 beta

[0x6d69636b]

I get the same error message with openjdk version "11.0.7-ea" 2020-04-14 and Burp Suite Professional v2020.4.1

java.lang.ClassNotFoundException: kotlin.TypeCastException
    at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:471)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
    at java.base/java.lang.Class.forName0(Native Method)
    at java.base/java.lang.Class.forName(Class.java:398)
    at burp.gbx.a(Unknown Source)
    at burp.gbx.<init>(Unknown Source)
    at burp.gvv.a(Unknown Source)
    at burp.elq.lambda$panelLoaded$0(Unknown Source)
    at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:834)

[Xoiph0s]

My java version is

And burp version is

[Hackndo]

Hello,

same error here, with release or build.sh version

[B-i-t-K]

I've updated the gradle.build, It should work fine now.

[Hackndo]

Yes, working now. Thanks!

[B-i-t-K]

Thanks for reporting the issue, closing now.