`java.lang.IllegalStateException: Storage for [...] is already registered` with 2.0.20-1.0.24

[ychescale9]

Since updating to 2.0.20-1.0.24 our devs started getting the following occasionally:

java.lang.IllegalStateException: Storage for [path/to/project/my-module/build/kspCaches/debug/symbolLookups/id-to-file.tab] is already registered
	at org.jetbrains.kotlin.com.intellij.util.io.FilePageCache.registerPagedFileStorage(FilePageCache.java:410)
	at org.jetbrains.kotlin.com.intellij.util.io.PagedFileStorage.<init>(PagedFileStorage.java:72)
	at org.jetbrains.kotlin.com.intellij.util.io.ResizeableMappedFile.<init>(ResizeableMappedFile.java:55)
	at org.jetbrains.kotlin.com.intellij.util.io.PersistentBTreeEnumerator.<init>(PersistentBTreeEnumerator.java:128)
	at org.jetbrains.kotlin.com.intellij.util.io.PersistentEnumerator.createDefaultEnumerator(PersistentEnumerator.java:52)
	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:165)
	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:140)
	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.buildImplementation(PersistentMapBuilder.java:88)
	at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.build(PersistentMapBuilder.java:71)
	at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:45)
	at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:71)
	at org.jetbrains.kotlin.incremental.storage.LazyStorage.createMap(LazyStorage.kt:60)
	at org.jetbrains.kotlin.incremental.storage.LazyStorage.getStorageOrCreateNew(LazyStorage.kt:57)
	at org.jetbrains.kotlin.incremental.storage.LazyStorage.set(LazyStorage.kt:78)
	at org.jetbrains.kotlin.incremental.storage.PersistentStorageWrapper.set(PersistentStorage.kt:94)
	at org.jetbrains.kotlin.incremental.LookupStorage.addFileIfNeeded(LookupStorage.kt:165)
	at org.jetbrains.kotlin.incremental.LookupStorage.addAll$lambda$4(LookupStorage.kt:117)
	at org.jetbrains.kotlin.utils.CollectionsKt.keysToMap(collections.kt:117)
	at org.jetbrains.kotlin.incremental.LookupStorage.addAll(LookupStorage.kt:117)
	at org.jetbrains.kotlin.incremental.BuildUtilKt.update(buildUtil.kt:134)
	at com.google.devtools.ksp.LookupStorageWrapperImpl.update(IncrementalContext.kt:231)
	at com.google.devtools.ksp.common.IncrementalContextBase.updateLookupCache(IncrementalContextBase.kt:133)
	at com.google.devtools.ksp.common.IncrementalContextBase.updateCaches(IncrementalContextBase.kt:364)
	at com.google.devtools.ksp.common.IncrementalContextBase.updateCachesAndOutputs(IncrementalContextBase.kt:470)
	at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.doAnalysis(KotlinSymbolProcessingExtension.kt:362)
	at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:112)
	at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:75)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze$lambda$12(KotlinToJVMBytecodeCompiler.kt:373)
	at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:112)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:364)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.repeatAnalysisIfNeeded(KotlinToJVMBytecodeCompiler.kt:282)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.runFrontendAndGenerateIrUsingClassicFrontend(KotlinToJVMBytecodeCompiler.kt:195)
	at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli(KotlinToJVMBytecodeCompiler.kt:106)
	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:170)
	at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:43)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:103)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:49)
	at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:101)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:1555)
	at jdk.internal.reflect.GeneratedMethodAccessor92.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
	at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:587)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:705)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:704)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
	Suppressed: java.lang.Exception: Storage[path/to/project/my-module/build/kspCaches/debug/symbolLookups/id-to-file.tab] registration stack trace
		at org.jetbrains.kotlin.com.intellij.util.io.FilePageCache.registerPagedFileStorage(FilePageCache.java:437)
		at org.jetbrains.kotlin.com.intellij.util.io.PagedFileStorage.<init>(PagedFileStorage.java:72)
		at org.jetbrains.kotlin.com.intellij.util.io.ResizeableMappedFile.<init>(ResizeableMappedFile.java:55)
		at org.jetbrains.kotlin.com.intellij.util.io.PersistentBTreeEnumerator.<init>(PersistentBTreeEnumerator.java:128)
		at org.jetbrains.kotlin.com.intellij.util.io.PersistentEnumerator.createDefaultEnumerator(PersistentEnumerator.java:52)
		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:165)
		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapImpl.<init>(PersistentMapImpl.java:140)
		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.buildImplementation(PersistentMapBuilder.java:88)
		at org.jetbrains.kotlin.com.intellij.util.io.PersistentMapBuilder.build(PersistentMapBuilder.java:71)
		at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:45)
		at org.jetbrains.kotlin.com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:71)
		at org.jetbrains.kotlin.incremental.storage.LazyStorage.createMap(LazyStorage.kt:60)
		at org.jetbrains.kotlin.incremental.storage.LazyStorage.getStorageIfExists(LazyStorage.kt:51)
		at org.jetbrains.kotlin.incremental.storage.LazyStorage.get(LazyStorage.kt:74)
		at org.jetbrains.kotlin.incremental.storage.PersistentStorageWrapper.get(PersistentStorage.kt:90)
		at org.jetbrains.kotlin.incremental.LookupStorage.get(LookupStorage.kt:99)
		at com.google.devtools.ksp.LookupStorageWrapperImpl.get(IncrementalContext.kt:224)
		at com.google.devtools.ksp.common.IncrementalContextBase.calcDirtyFiles(IncrementalContextBase.kt:234)
		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension$doAnalysis$2.invoke(KotlinSymbolProcessingExtension.kt:196)
		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension$doAnalysis$2.invoke(KotlinSymbolProcessingExtension.kt:189)
		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.handleException(KotlinSymbolProcessingExtension.kt:414)
		at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.doAnalysis(KotlinSymbolProcessingExtension.kt:189)
		at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:112)
		at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:75)
		at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze$lambda$12(KotlinToJVMBytecodeCompiler.kt:373)
		at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:112)
		at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:364)
		... 24 more

Our workaround has been killing the Kotlin daemons.

Others have experienced the same issue as reported in the kotlinlang slack.

There are reports on both Android and JS projects so doesn't look like it's specific to a target.

We're still on KSP 1.

[AkobirBozorov]

I am getting this error as well. I managed to put ksp and hilt in my project and now this error. I don't know what to do as i am new developer

[palsega]

Found out this exception in Android while trying to use Room in project. What I would do is use a tested version, for me 2.0.10-1.0.24 works as expected.

[metinyildiran]

I've got Room in my project and version 2.0.10-1.0.24 with Kotlin version 2.0.10 also worked for me.

[mohsen2986]

I've got Room in my project and version 2.0.10-1.0.24 with Kotlin version 2.0.10 also worked for me.

It works for me

[demidenko]

got this exception after incorrect (or unfinished) automigration in android room. after define manual migration it throw this on build
downgrade to kotlin=2.0.10 and ksp=2.0.10-1.0.24 works fine

[epool]

for those who face this issue, killing the Kotlin daemons workaround from Slack worked for me:

jps | grep -E 'KotlinCompileDaemon' | awk '{print $1}' | xargs kill -9 || true

[Kevinrob]

for those who face this issue, killing the Kotlin daemons workaround from Slack worked for me:

jps | grep -E 'KotlinCompileDaemon' | awk '{print $1}' | xargs kill -9 || true

Or just ./gradlew --stop 👍

[ting-yuan]

Looks similar to #2042, where kspCache is left in an illegal state. Let's see if this persists after the fix to #2042 has landed.

[ting-yuan]

KSP 2.0.20-1.0.25 is just released and may have fixed this issue. Would you mind to give it a try?

[ychescale9]

@ting-yuan given the scale of the impact are we planning to do a release with the fix soon?

[hgarciaalberto]

Same issue on 2.0.21-1.0.25 Storage for [.../app/build/kspCaches/miviaDebug/symbolLookups/id-to-file.tab] is already registered

[ting-yuan]

2.0.21-1.0.26, which contains the fix, was just released!

[sarimmehdi]

I am using the latest 2.0.21-1.0.26 version and I still get this error after modifying one of the Type Converters for the Room Database

[cfa532]

Had the same error. Look it up at stackoverflow. This worked for me.

Added it to gradle.properties file
ksp.incremental=false