JDK-8194929 : Unreferenced FileDescriptors not closed
  • Type: Bug
  • Component: core-libs
  • Sub-Component: java.io
  • Affected Version: 10
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: linux
  • CPU: generic
  • Submitted: 2018-01-11
  • Updated: 2018-04-05
  • Resolved: 2018-01-16
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JDK 10 JDK 11
10 b40Fixed 11Fixed
Related Reports
Relates :  
JDK-8080225 - FileInput/OutputStream/FileChannel cleanup should be improved
Description
FileInputStream and FileOutputStream cleanup of unreferenced FileDescriptors fails to close the file descriptor on unix.

The native cleanup method is not getting called to close the raw fd.
Comments
The native method java.io.FileDescriptor.cleanupClose0 was omitted from mapfile-vers and the Cleaner thread discarded the corresponding UnsatisifedLinkError.
11-01-2018