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Does not work with Kotlin 2.0.0 #421

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Does not work with Kotlin 2.0.0#421

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MasWag

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on May 26, 2024

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It seems kscript does not work with Kotlin 2.0.0. What I observe is the same as #408:

$ kscript 'println("hello world")' 

Exception in thread "main" java.lang.ClassNotFoundException: kscript.scriplet.Scriplet
	at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:445)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:592)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
	at Main_Scriplet$Companion.main(Main_Scriplet.kt:5)
	at Main_Scriplet.main(Main_Scriplet.kt)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.jetbrains.kotlin.runner.AbstractRunner.run(runners.kt:70)
	at org.jetbrains.kotlin.runner.Main.run(Main.kt:183)
	at org.jetbrains.kotlin.runner.Main.main(Main.kt:193)
[kscript] [ERROR] Execution of scriplet failed:
[kscript] [ERROR] Command     : 'bash -c /opt/homebrew/Cellar/kotlin/2.0.0/libexec/bin/kotlin  -classpath '/Users/mwaga/Library/Caches/kscript/jar_7a6cdcc8b547b2bb2a0ad2ab4f24c291/scriplet.jar:/opt/homebrew/Cellar/kotlin/2.0.0/libexec/lib/kotlin-script-runtime.jar' Main_Scriplet '
[kscript] [ERROR] Exit Code   : 1   
[kscript] [ERROR]

It works well with Kotlin 1.9.24 (after cache removal).

$ brew unlink kotlin && brew link [email protected]  && rm -rf ~/Library/Caches/kscript/ && kscript 'println("hello world")'
Unlinking /opt/homebrew/Cellar/kotlin/2.0.0... 6 symlinks removed.
Linking /opt/homebrew/Cellar/[email protected]/1.9.24... 6 symlinks created.
hello world

Reacted by Tokuhiro Matsuno, Vibin reddy, ThawZinToe, rnzbrngn, gokuma, Rime, theapache64, Franck Rasolo, Holger Brandl, Bruno Medeiros and 5 more

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NoUsernameProvided commented on Jun 7, 2024
NoUsernameProvided
on Jun 7, 2024
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Same issue here.
zorenkonte commented on Jun 12, 2024
zorenkonte
on Jun 12, 2024
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Got the same error
aartiPl commented on Jun 12, 2024
aartiPl
on Jun 12, 2024
Collaborator
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I will try to solve it, although I don't have much time to invest. Contributions from anyone are more than welcome.
aartiPl commented on Sep 11, 2024
aartiPl
on Sep 11, 2024
Collaborator
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I have investigated the issue. The problem with version 2.0 is that it completely changes how the scripts are executed. The current way of executing the script is by wrapping it with the following code:

kscript/src/main/kotlin/io/github/kscripting/kscript/code/Templates.kt

Line 48 in 6acd4e1

fun createWrapperForScript(packageName: PackageName, className: String): String {

But now, this method does not work anymore.

I was also thinking about a more sophisticated way of rewriting the script so that it is put inside
fun main() {}
block. But it will only work for some cases - for example, enum class {} can not be defined in the function's local scope, so it will fail if you try to define an enum in your script.

The only possible alternative I can see is to use the Kotlin script engine to implement the KScript engine. I have started the branch with those changes, but I don't have time to accomplish that work:

kscript/src/main/kotlin/io/github/kscripting/kscript/KscriptHandler.kt

Line 133 in 82af53b

val kscriptHost = KscriptHost(config.osConfig.cacheDir)

If anyone wants to take on this task, feel free to do so. I will accept the MRs.
Dogacel commented on Oct 15, 2024
Dogacel
on Oct 15, 2024
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@aartiPl if it doesn't work with kotlin 2.0+, is it possible to select which version of kotlin compiler to use? I tried using this for the first time and having the same error.

Maybe we need an environment manager like jenv for kotlin.
sergeych commented on Nov 12, 2024
sergeych
on Nov 12, 2024
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kscript is excellent and missing feature. it has to be upgraded to support koglin 2+, as many new code won't run with older versions, while kotlin's scripting itself is yet practically unusable. Thanks for incredible tool anyway... it was a great time using it.
Reacted by Doğaç Eldenk and Luong Vo (Lucas)
appreciated commented on Feb 5, 2025
appreciated
on Feb 5, 2025
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For others facing this issue, I faced a slightly different error message:

Exception in thread "main" java.lang.ClassNotFoundException: kscript.scriplet.Client

As a workaround, until there is kotlin 2.0 support, you can downgrade the kotlin version using sdkman:

sdk install kotlin 1.9.24

kamilmodest commented on Feb 12, 2025

kamilmodest

on Feb 12, 2025

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For me, it doesn't work with 1.9.24 either 🤔

Macbooc M2 Pro (arm)

Installed via

╰─>  sdk install kotlin 1.9.24
╰─>  sdk install kscript
╰─>  where kotlin
/Users/k.babaev/.sdkman/candidates/kotlin/current/bin/kotlin
╰─>  where kscript
/Users/k.babaev/.sdkman/candidates/kscript/current/bin/kscript

Runs:

╰─>  kscript 'println("hello world")'
Exception in thread "main" java.lang.ClassNotFoundException: kscript.scriplet.Scriplet
	at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:445)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:592)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
	at Main_Scriplet$Companion.main(Main_Scriplet.kt:5)
	at Main_Scriplet.main(Main_Scriplet.kt)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.jetbrains.kotlin.runner.AbstractRunner.run(runners.kt:70)
	at org.jetbrains.kotlin.runner.Main.run(Main.kt:194)
	at org.jetbrains.kotlin.runner.Main.main(Main.kt:204)
[kscript] [ERROR] Execution of scriplet failed:
[kscript] [ERROR] Command     : 'bash -c /Users/k.babaev/.sdkman/candidates/kotlin/1.9.24/bin/kotlin  -classpath '/Users/k.babaev/Library/Caches/kscript/jar_7a6cdcc8b547b2bb2a0ad2ab4f24c291/scriplet.jar:/Users/k.babaev/.sdkman/candidates/kotlin/1.9.24/lib/kotlin-script-runtime.jar' Main_Scriplet '
[kscript] [ERROR] Exit Code   : 1
[kscript] [ERROR]

╰─>  ll /Users/k.babaev/.sdkman/candidates/kscript
Permissions Size User     Group Date Modified    Name
drwxr-xr-x@    - k.babaev staff 2023-07-22 12:07  4.2.3
lrwxr-xr-x@    - k.babaev staff 2025-02-12 18:56  current -> 4.2.3

╰─>  ll /Users/k.babaev/.sdkman/candidates/kotlin
Permissions Size User     Group Date Modified    Name
drwxr-xr-x@    - k.babaev staff 1980-02-01 00:00  1.9.24
lrwxr-xr-x@    - k.babaev staff 2025-02-12 18:39  current -> 1.9.24

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Does not work with Kotlin 2.0.0 #421

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NoUsernameProvided commented on Jun 7, 2024

zorenkonte commented on Jun 12, 2024

aartiPl commented on Jun 12, 2024

aartiPl commented on Sep 11, 2024

Dogacel commented on Oct 15, 2024

sergeych commented on Nov 12, 2024

appreciated commented on Feb 5, 2025

kamilmodest commented on Feb 12, 2025

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