eap3 causes IDEA to report error in java module

[katox]

Occasionally IDEA 193.4099.13 reports this Java error but there are Cursive calls in the stacktrace. It seems to be REPL related:

Details: Current thread: Thread[Alarm Pool,4,Idea Thread Group] 1369640579
; dispatch thread: false; isDispatchThread(): false
SystemEventQueueThread: Thread[AWT-EventQueue-0,6,Idea Thread Group] 783288967

java.lang.Throwable: Read access is allowed from event dispatch thread or inside read-action only (see com.intellij.openapi.application.Application.runReadAction())
	at com.intellij.openapi.diagnostic.Logger.error(Logger.java:162)
	at com.intellij.openapi.application.impl.ApplicationImpl.assertReadAccessAllowed(ApplicationImpl.java:918)
	at com.intellij.util.indexing.FileBasedIndexImpl.ensureUpToDate(FileBasedIndexImpl.java:727)
	at com.intellij.util.indexing.FileBasedIndexImpl.ensureUpToDate(FileBasedIndexImpl.java:718)
	at com.intellij.psi.stubs.StubIndexImpl.getContainingIds(StubIndexImpl.java:510)
	at com.intellij.psi.stubs.StubIndexImpl.processElements(StubIndexImpl.java:370)
	at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:107)
	at com.intellij.psi.stubs.StubIndex.getElements(StubIndex.java:95)
	at com.intellij.psi.impl.java.stubs.index.JavaFullClassNameIndex.get(JavaFullClassNameIndex.java:47)
	at com.intellij.psi.impl.file.impl.JavaFileManagerImpl.doFindClasses(JavaFileManagerImpl.java:87)
	at com.intellij.psi.impl.file.impl.JavaFileManagerImpl.findClass(JavaFileManagerImpl.java:122)
	at com.intellij.psi.impl.PsiElementFinderImpl.findClass(PsiElementFinderImpl.java:44)
	at com.intellij.psi.impl.JavaPsiFacadeImpl.doFindClass(JavaPsiFacadeImpl.java:110)
	at com.intellij.psi.impl.JavaPsiFacadeImpl.findClass(JavaPsiFacadeImpl.java:87)
	at cursive.runner.UtilsKt.clojureModules(Utils.kt:264)
	at cursive.repl.runner.LocalConfiguration.getValidModules(ReplRunConfigurations.kt:348)
	at cursive.repl.runner.LocalConfiguration.checkConfiguration(ReplRunConfigurations.kt:579)
	at com.intellij.execution.impl.RunnerAndConfigurationSettingsImpl.checkSettings(RunnerAndConfigurationSettingsImpl.kt:314)
	at com.intellij.execution.impl.RunManagerImpl$Companion.canRunConfiguration(RunManagerImpl.kt:80)
	at com.intellij.execution.impl.RunManagerImpl$Companion.canRunConfiguration(RunManagerImpl.kt:74)
	at com.intellij.execution.impl.RunManagerImpl.canRunConfiguration(RunManagerImpl.kt)
	at com.intellij.execution.ProgramRunnerUtil.executeConfigurationAsync(ProgramRunnerUtil.java:65)
	at com.intellij.execution.ProgramRunnerUtil.executeConfiguration(ProgramRunnerUtil.java:40)
	at cursive.repl.toolwindow$reconnect$iteration__7975.invoke(toolwindow.clj:180)
	at clojure.lang.AFn.run(AFn.java:22)
	at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:231)
	at com.intellij.util.Alarm$Request.runSafely(Alarm.java:371)
	at com.intellij.util.Alarm$Request.run(Alarm.java:358)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at com.intellij.util.concurrency.SchedulingWrapper$MyScheduledFutureTask.run(SchedulingWrapper.java:217)
	at com.intellij.util.concurrency.BoundedTaskExecutor.doRun(BoundedTaskExecutor.java:222)
	at com.intellij.util.concurrency.BoundedTaskExecutor.access$200(BoundedTaskExecutor.java:30)
	at com.intellij.util.concurrency.BoundedTaskExecutor$1.execute(BoundedTaskExecutor.java:201)
	at com.intellij.util.ConcurrencyUtil.runUnderThreadName(ConcurrencyUtil.java:221)
	at com.intellij.util.concurrency.BoundedTaskExecutor$1.run(BoundedTaskExecutor.java:190)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)

[katox]

Note: I can still see those exceptions in eap4.