[IntelliJ][ReportedByUser] Uncaught Exception java.lang.IllegalStateException: Exception thrown on Scheduler.Worker thread. Add onError handling.

[deepix]

IntelliJ build version: 2019.2.1 IC-192.6262.58
OS: Mac OS X
JDK: JetBrains s.r.o 1.8.0_212-release
Plugin version: 3.25.0-2019.2
Additional Info: None
Parent component:

com.intellij.openapi.wm.impl.IdeRootPane[,0,22,1280x1155,invalid,layout=javax.swing.JRootPane$RootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=]

Error message:

IdeaLoggingEvent[message=null, throwable=java.lang.IllegalStateException: Exception thrown on Scheduler.Worker thread. Add `onError` handling.
	at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:57)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: rx.exceptions.OnErrorNotImpleme

[wezhang]

Dup #3454