This test failed once in Mach 5 testing.

There is no much information provided in the test output. See below:

----------messages:(3/136)----------
command: main WakeupAfterClose
reason: Assumed action based on file name: run main WakeupAfterClose
elapsed time (seconds): 121.562
----------rerun:(21/2196)*----------
PATH='C:\\cygwin\\bin;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0;C:\\Program Files\\Puppet Labs\\Puppet\\bin;C:\\Program Files (x86)\\Windows Kits\\8.1\\Windows Performance Toolkit;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn' \\
SystemDrive=C: \\
SystemRoot='C:\\Windows' \\
TEMP='C:\\Temp' \\
buildid=BUILD_ID \\
windir='C:\\Windows' \\
    'D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\build\\jdk\\bin\\java' \\
        -Dtest.class.path.prefix='D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jdk_test\\classes\\15\\java\\nio\\channels\\Selector;D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\jdk\\test\\java\\nio\\channels\\Selector' \\
        -Dtest.src='D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\jdk\\test\\java\\nio\\channels\\Selector' \\
        -Dtest.src.path='D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\jdk\\test\\java\\nio\\channels\\Selector' \\
        -Dtest.classes='D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jdk_test\\classes\\15\\java\\nio\\channels\\Selector' \\
        -Dtest.class.path='D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jdk_test\\classes\\15\\java\\nio\\channels\\Selector' \\
        -Dtest.vm.opts='-ea -esa -Xmx512m' \\
        -Dtest.tool.vm.opts='-J-ea -J-esa -J-Xmx512m' \\
        -Dtest.compiler.opts= \\
        -Dtest.java.opts= \\
        -Dtest.jdk='D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\build\\jdk' \\
        -Dcompile.jdk='D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\build\\jdk' \\
        -Dtest.timeout.factor=4.0 \\
        -classpath 'D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\mach5\\jdkbuildwrapper\\.data\\unpacked\\jpg\\infra\\builddeps\\jtreg-4.1\\1.3\\jtreg\\lib\\javatest.jar;D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\mach5\\jdkbuildwrapper\\.data\\unpacked\\jpg\\infra\\builddeps\\jtreg-4.1\\1.3\\jtreg\\lib\\jtreg.jar;D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jdk_test\\classes\\15\\java\\nio\\channels\\Selector;D:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\jdk\\test\\java\\nio\\channels\\Selector' \\
        WakeupAfterClose
----------System.err:(3/39)----------

JavaTest Message: Test complete.

result: Failed. Execution failed: `main' threw exception: java.nio.channels.ClosedSelectorException


test result: Failed. Execution failed: `main' threw exception: java.nio.channels.ClosedSelectorException