Unable to load a custom FileEditorProvider

IntelliJ Platform
1

Problem Description

A user of my plugin encountered an exception in PhpStorm, preventing the JSON editor provider from loading. The error indicates a timeout (TimeoutCancellationException) during provider initialization, but the root cause is unclear. Seeking community assistance to diagnose the issue.

Environment Details

IDE: PhpStorm 2024.3.5 (Build #PS-243.26053.13)
OS: macOS (exact version unspecified; user should confirm)
Java Version: OpenJDK 64-Bit Server VM 21.0.6+8-b631.39
Reproducibility: Confirmed in PhpStorm. Untested in other JetBrains IDEs (user to verify).

Full Exception Stack

com.intellij.diagnostic.PluginException: Cannot check provider cn.memoryzy.json.extension.provider.JsonFileEditorProvider [Plugin: cn.memoryzy.json]
	at com.intellij.openapi.fileEditor.impl.FileEditorProviderManagerImpl$getProviders$sharedProviders$1$1$1.invokeSuspend(FileEditorProviderManagerImpl.kt:157)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at kotlinx.coroutines.internal.ScopeCoroutine.afterResume(Scopes.kt:29)
	at kotlinx.coroutines.AbstractCoroutine.resumeWith(AbstractCoroutine.kt:99)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
	at kotlinx.coroutines.UndispatchedCoroutine.afterResume(CoroutineContext.kt:277)
	at kotlinx.coroutines.AbstractCoroutine.resumeWith(AbstractCoroutine.kt:99)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:234)
	at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:608)
	at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:873)
	at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:763)
	at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:750)
Caused by: kotlinx.coroutines.TimeoutCancellationException: Timed out waiting for 30000 ms
	at kotlinx.coroutines.TimeoutKt.TimeoutCancellationException(Timeout.kt:188)
	at kotlinx.coroutines.TimeoutCoroutine.run(Timeout.kt:156)
	at kotlinx.coroutines.EventLoopImplBase$DelayedRunnableTask.run(EventLoop.common.kt:498)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:277)
	at kotlinx.coroutines.DefaultExecutor.run(DefaultExecutor.kt:105)
	at java.base/java.lang.Thread.run(Thread.java:1583)

Here is my code implementation:

FileEditorProvider：

public class JsonTreeFileEditorProvider implements FileEditorProvider {

    @Override
    public boolean accept(@NotNull Project project, @NotNull VirtualFile file) {
        return PlatformUtil.isJsonFileType(file.getFileType());
    }

    @Override
    public @NotNull FileEditor createEditor(@NotNull Project project, @NotNull VirtualFile file) {
        return new JsonTreeFileEditor(project, file);
    }

    @Override
    public @NotNull @NonNls String getEditorTypeId() {
        return JsonAssistantPlugin.PLUGIN_ID_NAME + ".JsonTreeFileEditor";
    }

    @Override
    public @NotNull FileEditorPolicy getPolicy() {
        return FileEditorPolicy.PLACE_AFTER_DEFAULT_EDITOR;
    }

}

FileEditor:

public class JsonTreeFileEditor extends UserDataHolderBase implements FileEditor {

    private final Project project;
    private final VirtualFile file;
    private final JsonTreeEditorComponentProvider provider;

    public JsonTreeFileEditor(Project project, VirtualFile file) {
        this.project = project;
        this.file = file;
        this.provider = new JsonTreeEditorComponentProvider(project, file);
    }

    @Override
    public @NotNull JComponent getComponent() {
        return provider.getComponent();
    }

    @Override
    public @Nullable JComponent getPreferredFocusedComponent() {
        return provider.getPreferredFocusedComponent();
    }

    @Override
    public @Nls(capitalization = Nls.Capitalization.Title) @NotNull String getName() {
        return "Structure";
    }

    @Override
    public void setState(@NotNull FileEditorState state) {
    }

    @Override
    public @NotNull FileEditorState getState(@NotNull FileEditorStateLevel level) {
        return FileEditor.super.getState(level);
    }

    @Override
    public boolean isModified() {
        return false;
    }

    @Override
    public boolean isValid() {
        return true;
    }

    @Override
    public VirtualFile getFile() {
        return file;
    }

    @Override
    public void addPropertyChangeListener(@NotNull PropertyChangeListener listener) {
    }

    @Override
    public void removePropertyChangeListener(@NotNull PropertyChangeListener listener) {
    }

    @Override
    public void selectNotify() {
        provider.compareAndRefresh(project, file);
    }

    @Override
    public @Nullable FileEditorLocation getCurrentLocation() {
        return null;
    }

    @Override
    public void dispose() {

    }
}