ADDITIONAL SYSTEM INFORMATION :
Microsoft Windows [Version 10.0.17134.285]

A DESCRIPTION OF THE PROBLEM :
The test java/nio/file/WatchService/LotsOfCancels.java intermittently fails by AccessDeniedException on Windows. The issue was not observed on Linux, MacOS

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
@echo off
set TESTJDK="C:\Program Files\Java\jdk-10.0.2"
set JAVAOPTIONS="-Djava.awt.headless=false"
set TEST= test\java\nio\file\WatchService\LotsOfCancels.java
set /a failed=0
set /a count=0
:loop
  java -jar ..\..\..\jtreg\lib\jtreg.jar -ignore:quiet -v -a -xml ^
      -exclude:test/jbProblemList.txt ^
      -compilejdk:%TESTJDK% ^
      -testjdk:%TESTJDK% ^
      -javaoptions:%JAVAOPTIONS% ^
      -timeoutFactor:2 %TEST%
  if errorlevel 1 set /a failed=1
  set /a count+=1
  echo "%count%. failed=%failed%"
if %failed% == 0 goto loop


ACTUAL -
#section:main
----------messages:(4/143)----------
command: main LotsOfCancels
reason: Assumed action based on file name: run main LotsOfCancels
Mode: othervm
elapsed time (seconds): 7.501
----------configuration:(0/0)----------
----------System.out:(112/2881)----------
begin handle 1
begin poll 16
begin handle 16
begin poll 15
begin handle 15
begin poll 14
begin handle 14
begin poll 13
begin handle 13
begin poll 12
begin handle 12
begin poll 11
begin handle 11
begin poll 10
begin handle 10
begin poll 9
begin handle 9
begin poll 8
begin handle 8
begin poll 7
begin handle 7
begin poll 6
begin handle 6
begin poll 5
begin handle 5
begin poll 4
begin handle 4
begin poll 3
begin handle 3
begin poll 2
begin handle 2
begin poll 1
WatchService 5 closing ...
WatchService 5 closed
poll 5 expected exception java.nio.file.ClosedWatchServiceException
end poll 5
end handle 5
WatchService 14 closing ...
WatchService 14 closed
end handle 14
poll 14 expected exception java.nio.file.ClosedWatchServiceException
end poll 14
WatchService 6 closing ...
WatchService 6 closed
end handle 6
poll 6 expected exception java.nio.file.ClosedWatchServiceException
end poll 6
WatchService 10 closing ...
WatchService 10 closed
end handle 10
poll 10 expected exception java.nio.file.ClosedWatchServiceException
end poll 10
WatchService 2 closing ...
WatchService 2 closed
end handle 2
poll 2 expected exception java.nio.file.ClosedWatchServiceException
end poll 2
WatchService 15 closing ...
WatchService 15 closed
end handle 15
poll 15 expected exception java.nio.file.ClosedWatchServiceException
end poll 15
WatchService 7 closing ...
WatchService 7 closed
end handle 7
poll 7 expected exception java.nio.file.ClosedWatchServiceException
end poll 7
WatchService 3 closing ...
WatchService 3 closed
end handle 3
poll 3 expected exception java.nio.file.ClosedWatchServiceException
end poll 3
WatchService 11 closing ...
WatchService 11 closed
end handle 11
poll 11 expected exception java.nio.file.ClosedWatchServiceException
end poll 11
WatchService 4 closing ...
WatchService 4 closed
end handle 4
poll 4 expected exception java.nio.file.ClosedWatchServiceException
end poll 4
WatchService 16 closing ...
WatchService 16 closed
end handle 16
poll 16 expected exception java.nio.file.ClosedWatchServiceException
end poll 16
WatchService 12 closing ...
WatchService 12 closed
end handle 12
poll 12 expected exception java.nio.file.ClosedWatchServiceException
end poll 12
WatchService 13 closing ...
WatchService 13 closed
end handle 13
poll 13 expected exception java.nio.file.ClosedWatchServiceException
end poll 13
WatchService 1 closing ...
WatchService 1 closed
end handle 1
poll 1 expected exception java.nio.file.ClosedWatchServiceException
end poll 1
WatchService 8 closing ...
WatchService 8 closed
end handle 8
poll 8 expected exception java.nio.file.ClosedWatchServiceException
end poll 8
WatchService 9 closing ...
WatchService 9 closed
end handle 9
poll 9 expected exception java.nio.file.ClosedWatchServiceException
end poll 9
----------System.err:(27/1953)*----------
java.nio.file.AccessDeniedException: .\\LotsOfCancels9969089631291144086\\dir-5\\anyfile
at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:89)
at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103)
at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:108)
at java.base/sun.nio.fs.WindowsFileSystemProvider.newByteChannel(WindowsFileSystemProvider.java:231)
at java.base/java.nio.file.Files.newByteChannel(Files.java:369)
at java.base/java.nio.file.Files.createFile(Files.java:640)
at LotsOfCancels.handle(LotsOfCancels.java:85)
at LotsOfCancels.lambda$main$0(LotsOfCancels.java:59)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:844)
java.lang.RuntimeException: Test failed, see log for details
at LotsOfCancels.main(LotsOfCancels.java:71)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:844)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Test failed, see log for details
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Test failed, see log for details

---------- BEGIN SOURCE ----------
http://hg.openjdk.java.net/jdk10/jdk10/jdk/file/777356696811/test/java/nio/file/WatchService/LotsOfCancels.java
---------- END SOURCE ----------

FREQUENCY : often