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  1. JDK
  2. JDK-8359477

com/sun/net/httpserver/Test12.java appears to have a temp file race

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    • b05
    • x86_64
    • windows

        The following test failed in the JDK26 CI:

        com/sun/net/httpserver/Test12.java

        Here's a snippet from the log file:

        #section:main
        ----------messages:(8/393)----------
        command: main -Djava.net.preferIPv6Addresses=true Test12
        reason: User specified action: run main/othervm -Djava.net.preferIPv6Addresses=true Test12
        started: Fri Jun 13 19:26:51 UTC 2025
        Mode: othervm [/othervm specified]
        Additional options from @modules: --add-modules jdk.httpserver,java.logging
        Process id: 29576
        finished: Fri Jun 13 19:26:54 UTC 2025
        elapsed time (seconds): 2.965
        ----------configuration:(3/58)----------
        Boot Layer
          add modules: jdk.httpserver java.logging

        ----------System.out:(1/12)----------
        Test12: OK
        ----------System.err:(17/1792)*----------
        java.nio.file.FileSystemException: C:\\sb\\prod\\1749842502\\testoutput\\test-support\\jtreg_open_test_jdk_tier2_part3\\scratch\\1\\com.sun.net.httpserver-Test12-2659162053669711980.tmp: The process cannot access the file because it is being used by another process
        at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:92)
        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.implDelete(WindowsFileSystemProvider.java:269)
        at java.base/sun.nio.fs.AbstractFileSystemProvider.delete(AbstractFileSystemProvider.java:105)
        at java.base/java.nio.file.Files.delete(Files.java:1052)
        at Test12.main(Test12.java:113)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
        at java.base/java.lang.reflect.Method.invoke(Method.java:565)
        at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
        at java.base/java.lang.Thread.run(Thread.java:1474)

        JavaTest Message: Test threw exception: java.nio.file.FileSystemException: C:\\sb\\prod\\1749842502\\testoutput\\test-support\\jtreg_open_test_jdk_tier2_part3\\scratch\\1\\com.sun.net.httpserver-Test12-2659162053669711980.tmp: The process cannot access the file because it is being used by another process
        JavaTest Message: shutting down test

        STATUS:Failed.`main' threw exception: java.nio.file.FileSystemException: C:\\sb\\prod\\1749842502\\testoutput\\test-support\\jtreg_open_test_jdk_tier2_part3\\scratch\\1\\com.sun.net.httpserver-Test12-2659162053669711980.tmp: The process cannot access the file because it is being used by another process
        ----------rerun:(47/6076)*----------

        This error message indicates a temp file race:

        java.nio.file.FileSystemException: C:\\sb\\prod\\1749842502\\testoutput\\test-support\\jtreg_open_test_jdk_tier2_part3\\scratch\\1\\com.sun.net.httpserver-Test12-2659162053669711980.tmp: The process cannot access the file because it is being used by another process

              jpai Jaikiran Pai
              dcubed Daniel Daugherty
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                Created:
                Updated:
                Resolved: