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VSCodium, server crashed 5 times during startup #666

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VSCodium, server crashed 5 times during startup#666
@vladmirtxrx

Description

@vladmirtxrx
vladmirtxrx
opened on Jan 28, 2026

Hello, i'm trying to use the extension to work with teamcity project, but it fails. I have seen similar issues mentioned in this repo related to cyrillic/japanese characters in project path, but I have none. I use jdk 25

Logs:

WARNING: A terminally deprecated method in sun.misc.Unsafe has been called
WARNING: sun.misc.Unsafe::objectFieldOffset has been called by com.intellij.util.containers.Unsafe (file:/home/vladimir/.config/VSCodium/User/globalStorage/fwcd.kotlin/langServerInstall/server/lib/kotlin-compiler-2.1.0.jar)
WARNING: Please consider reporting this to the maintainers of class com.intellij.util.containers.Unsafe
WARNING: sun.misc.Unsafe::objectFieldOffset will be removed in a future release
Exception in thread "main" java.lang.IllegalArgumentException: 25.0.1
	at com.intellij.util.lang.JavaVersion.parse(JavaVersion.java:307)
	at com.intellij.util.lang.JavaVersion.current(JavaVersion.java:176)
	at org.jetbrains.kotlin.cli.jvm.modules.JavaVersionUtilsKt.isAtLeastJava9(javaVersionUtils.kt:11)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$2(CoreJrtFileSystem.kt:83)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$3(CoreJrtFileSystem.kt:74)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$0(CoreJrtFileSystem.kt:34)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$1(CoreJrtFileSystem.kt:33)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.findFileByPath(CoreJrtFileSystem.kt:42)
	at org.jetbrains.kotlin.cli.jvm.modules.CliJavaModuleFinder.<init>(CliJavaModuleFinder.kt:45)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt:243)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment$Companion.createForProduction(KotlinCoreEnvironment.kt:468)
	at org.javacs.kt.compiler.CompilationEnvironment.<init>(Compiler.kt:101)
	at org.javacs.kt.compiler.Compiler.<init>(Compiler.kt:470)
	at org.javacs.kt.CompilerClassPath.<init>(CompilerClassPath.kt:32)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:29)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:25)
	at org.javacs.kt.MainKt.main(Main.kt:42)
[Info  - 3:26:52 PM] Connection to server got closed. Server will restart.
[Error - 3:26:52 PM] Server initialization failed.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
[Error - 3:26:52 PM] Kotlin Language Client client: couldn't create connection to server.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
WARNING: A terminally deprecated method in sun.misc.Unsafe has been called
WARNING: sun.misc.Unsafe::objectFieldOffset has been called by com.intellij.util.containers.Unsafe (file:/home/vladimir/.config/VSCodium/User/globalStorage/fwcd.kotlin/langServerInstall/server/lib/kotlin-compiler-2.1.0.jar)
WARNING: Please consider reporting this to the maintainers of class com.intellij.util.containers.Unsafe
WARNING: sun.misc.Unsafe::objectFieldOffset will be removed in a future release
Exception in thread "main" java.lang.IllegalArgumentException: 25.0.1
	at com.intellij.util.lang.JavaVersion.parse(JavaVersion.java:307)
	at com.intellij.util.lang.JavaVersion.current(JavaVersion.java:176)
	at org.jetbrains.kotlin.cli.jvm.modules.JavaVersionUtilsKt.isAtLeastJava9(javaVersionUtils.kt:11)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$2(CoreJrtFileSystem.kt:83)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$3(CoreJrtFileSystem.kt:74)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$0(CoreJrtFileSystem.kt:34)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$1(CoreJrtFileSystem.kt:33)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.findFileByPath(CoreJrtFileSystem.kt:42)
	at org.jetbrains.kotlin.cli.jvm.modules.CliJavaModuleFinder.<init>(CliJavaModuleFinder.kt:45)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt:243)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment$Companion.createForProduction(KotlinCoreEnvironment.kt:468)
	at org.javacs.kt.compiler.CompilationEnvironment.<init>(Compiler.kt:101)
	at org.javacs.kt.compiler.Compiler.<init>(Compiler.kt:470)
	at org.javacs.kt.CompilerClassPath.<init>(CompilerClassPath.kt:32)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:29)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:25)
	at org.javacs.kt.MainKt.main(Main.kt:42)
[Info  - 3:26:53 PM] Connection to server got closed. Server will restart.
[Error - 3:26:53 PM] Server initialization failed.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
[Error - 3:26:53 PM] Kotlin Language Client client: couldn't create connection to server.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
WARNING: A terminally deprecated method in sun.misc.Unsafe has been called
WARNING: sun.misc.Unsafe::objectFieldOffset has been called by com.intellij.util.containers.Unsafe (file:/home/vladimir/.config/VSCodium/User/globalStorage/fwcd.kotlin/langServerInstall/server/lib/kotlin-compiler-2.1.0.jar)
WARNING: Please consider reporting this to the maintainers of class com.intellij.util.containers.Unsafe
WARNING: sun.misc.Unsafe::objectFieldOffset will be removed in a future release
Exception in thread "main" java.lang.IllegalArgumentException: 25.0.1
	at com.intellij.util.lang.JavaVersion.parse(JavaVersion.java:307)
	at com.intellij.util.lang.JavaVersion.current(JavaVersion.java:176)
	at org.jetbrains.kotlin.cli.jvm.modules.JavaVersionUtilsKt.isAtLeastJava9(javaVersionUtils.kt:11)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$2(CoreJrtFileSystem.kt:83)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$3(CoreJrtFileSystem.kt:74)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$0(CoreJrtFileSystem.kt:34)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$1(CoreJrtFileSystem.kt:33)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.findFileByPath(CoreJrtFileSystem.kt:42)
	at org.jetbrains.kotlin.cli.jvm.modules.CliJavaModuleFinder.<init>(CliJavaModuleFinder.kt:45)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt:243)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment$Companion.createForProduction(KotlinCoreEnvironment.kt:468)
	at org.javacs.kt.compiler.CompilationEnvironment.<init>(Compiler.kt:101)
	at org.javacs.kt.compiler.Compiler.<init>(Compiler.kt:470)
	at org.javacs.kt.CompilerClassPath.<init>(CompilerClassPath.kt:32)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:29)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:25)
	at org.javacs.kt.MainKt.main(Main.kt:42)
[Info  - 3:26:53 PM] Connection to server got closed. Server will restart.
[Error - 3:26:53 PM] Server initialization failed.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
[Error - 3:26:53 PM] Kotlin Language Client client: couldn't create connection to server.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
[Error - 3:26:53 PM] Restarting server failed
  Message: Pending response rejected since connection got disposed
  Code: -32097 
WARNING: A terminally deprecated method in sun.misc.Unsafe has been called
WARNING: sun.misc.Unsafe::objectFieldOffset has been called by com.intellij.util.containers.Unsafe (file:/home/vladimir/.config/VSCodium/User/globalStorage/fwcd.kotlin/langServerInstall/server/lib/kotlin-compiler-2.1.0.jar)
WARNING: Please consider reporting this to the maintainers of class com.intellij.util.containers.Unsafe
WARNING: sun.misc.Unsafe::objectFieldOffset will be removed in a future release
Exception in thread "main" java.lang.IllegalArgumentException: 25.0.1
	at com.intellij.util.lang.JavaVersion.parse(JavaVersion.java:307)
	at com.intellij.util.lang.JavaVersion.current(JavaVersion.java:176)
	at org.jetbrains.kotlin.cli.jvm.modules.JavaVersionUtilsKt.isAtLeastJava9(javaVersionUtils.kt:11)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$2(CoreJrtFileSystem.kt:83)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$3(CoreJrtFileSystem.kt:74)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$0(CoreJrtFileSystem.kt:34)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$1(CoreJrtFileSystem.kt:33)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.findFileByPath(CoreJrtFileSystem.kt:42)
	at org.jetbrains.kotlin.cli.jvm.modules.CliJavaModuleFinder.<init>(CliJavaModuleFinder.kt:45)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt:243)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment$Companion.createForProduction(KotlinCoreEnvironment.kt:468)
	at org.javacs.kt.compiler.CompilationEnvironment.<init>(Compiler.kt:101)
	at org.javacs.kt.compiler.Compiler.<init>(Compiler.kt:470)
	at org.javacs.kt.CompilerClassPath.<init>(CompilerClassPath.kt:32)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:29)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:25)
	at org.javacs.kt.MainKt.main(Main.kt:42)
[Info  - 3:26:53 PM] Connection to server got closed. Server will restart.
[Error - 3:26:53 PM] Server initialization failed.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
[Error - 3:26:53 PM] Kotlin Language Client client: couldn't create connection to server.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
[Error - 3:26:53 PM] Restarting server failed
  Message: Pending response rejected since connection got disposed
  Code: -32097 
WARNING: A terminally deprecated method in sun.misc.Unsafe has been called
WARNING: sun.misc.Unsafe::objectFieldOffset has been called by com.intellij.util.containers.Unsafe (file:/home/vladimir/.config/VSCodium/User/globalStorage/fwcd.kotlin/langServerInstall/server/lib/kotlin-compiler-2.1.0.jar)
WARNING: Please consider reporting this to the maintainers of class com.intellij.util.containers.Unsafe
WARNING: sun.misc.Unsafe::objectFieldOffset will be removed in a future release
Exception in thread "main" java.lang.IllegalArgumentException: 25.0.1
	at com.intellij.util.lang.JavaVersion.parse(JavaVersion.java:307)
	at com.intellij.util.lang.JavaVersion.current(JavaVersion.java:176)
	at org.jetbrains.kotlin.cli.jvm.modules.JavaVersionUtilsKt.isAtLeastJava9(javaVersionUtils.kt:11)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$2(CoreJrtFileSystem.kt:83)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.globalJrtFsCache$lambda$3(CoreJrtFileSystem.kt:74)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$0(CoreJrtFileSystem.kt:34)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.roots$lambda$1(CoreJrtFileSystem.kt:33)
	at com.intellij.util.containers.ConcurrentFactoryMap$2.create(ConcurrentFactoryMap.java:174)
	at com.intellij.util.containers.ConcurrentFactoryMap.get(ConcurrentFactoryMap.java:40)
	at org.jetbrains.kotlin.cli.jvm.modules.CoreJrtFileSystem.findFileByPath(CoreJrtFileSystem.kt:42)
	at org.jetbrains.kotlin.cli.jvm.modules.CliJavaModuleFinder.<init>(CliJavaModuleFinder.kt:45)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt:243)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment.<init>(KotlinCoreEnvironment.kt)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment$Companion.createForProduction(KotlinCoreEnvironment.kt:468)
	at org.javacs.kt.compiler.CompilationEnvironment.<init>(Compiler.kt:101)
	at org.javacs.kt.compiler.Compiler.<init>(Compiler.kt:470)
	at org.javacs.kt.CompilerClassPath.<init>(CompilerClassPath.kt:32)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:29)
	at org.javacs.kt.KotlinLanguageServer.<init>(KotlinLanguageServer.kt:25)
	at org.javacs.kt.MainKt.main(Main.kt:42)
[Error - 3:26:54 PM] The Kotlin Language Client server crashed 5 times in the last 3 minutes. The server will not be restarted. See the output for more information.
[Error - 3:26:54 PM] Server initialization failed.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
[Error - 3:26:54 PM] Kotlin Language Client client: couldn't create connection to server.
  Message: Pending response rejected since connection got disposed
  Code: -32097 
[Error - 3:26:54 PM] Restarting server failed
  Message: Pending response rejected since connection got disposed
  Code: -32097

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