Consistent file watcher service failure on Solaris

java.lang.AssertionError: expected:</opt/buildAgent/work/6137be2c1bbf5a5/nio-impl/target/fileSystemWatcherTest/existingDir/newSubDirFile.txt> but was:</opt/buildAgent/work/6137be2c1bbf5a5/nio-impl/target/fileSystemWatcherTest/existingDir>
    at org.junit.Assert.fail(Assert.java:88)
    at org.junit.Assert.failNotEquals(Assert.java:743)
    at org.junit.Assert.assertEquals(Assert.java:118)
    at org.junit.Assert.assertEquals(Assert.java:144)
    at org.xnio.nio.test.FileSystemWatcherTestCase.checkResult(FileSystemWatcherTestCase.java:178)
    at org.xnio.nio.test.FileSystemWatcherTestCase.testFileSystemWatcher(FileSystemWatcherTestCase.java:127)
------- Stderr: -------
20:51:07,490 TRACE (main) [org.xnio.safe-close] <IoUtils.java:151> Closing resource java.io.FileOutputStream@36e0db
20:51:07,490 TRACE (main) [org.xnio.safe-close] <IoUtils.java:151> Closing resource java.io.FileOutputStream@e47408
20:51:07,498 TRACE (main) [org.xnio.safe-close] <IoUtils.java:151> Closing resource java.io.FileOutputStream@cd7581
20:51:07,500 TRACE (main) [org.xnio.safe-close] <IoUtils.java:151> Closing resource java.io.FileOutputStream@f2e824
20:51:07,501 TRACE (main) [org.xnio.safe-close] <IoUtils.java:151> Closing resource sun.nio.fs.SolarisWatchService@8a0923