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  1. JDK
  2. JDK-8315721

CloseRace.java#id0 fails transiently on libgraal

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        The java/lang/ProcessBuilder/CloseRace.java#id0 test fails transiently on libgraal when run with -Xcomp with:

        java.lang.Error: At least one child thread (Thread-2) failed to finish gracefully
                at CloseRace.main(CloseRace.java:122)
                at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
                at java.base/java.lang.reflect.Method.invoke(Method.java:580)
                at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
                at java.base/java.lang.Thread.run(Thread.java:1570)

        Possible fixes would include:
        * Disable the test under -Xcomp
        * Increase the time the main thread waits for other threads to join. For example, it could be adjusted by JTREG_TIMEOUT_FACTOR (which is typically increased when running test with -Xcomp).

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                rriggs Roger Riggs
                dnsimon Douglas Simon
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