Github user felixcheung commented on the issue:
https://github.com/apache/zeppelin/pull/1582
hmm, I'm not sure
```
17:29:54,140 INFO
org.apache.zeppelin.interpreter.InterpreterOutputChangeWatcher:71 - watch
/tmp/ZeppelinLTest_1480267793139
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.151 sec
<<< FAILURE! - in
org.apache.zeppelin.interpreter.InterpreterOutputChangeWatcherTest
test(org.apache.zeppelin.interpreter.InterpreterOutputChangeWatcherTest)
Time elapsed: 2.141 sec <<< ERROR!
java.io.IOException: User limit of inotify watches reached
at
sun.nio.fs.LinuxWatchService$Poller.implRegister(LinuxWatchService.java:261)
at sun.nio.fs.AbstractPoller.processRequests(AbstractPoller.java:260)
at sun.nio.fs.LinuxWatchService$Poller.run(LinuxWatchService.java:326)
at java.lang.Thread.run(Thread.java:745)
```
Doesn't seem like we are seeing this error recently, @bzz do you know?
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