JDK-8065372 : Object.wait(ms, ns) timeout returns early
  • Type: Bug
  • Component: core-libs
  • Sub-Component: java.lang
  • Affected Version: 9
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • Submitted: 2014-11-19
  • Updated: 2018-09-15
  • Resolved: 2014-11-20
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JDK 8 JDK 9
8u60Fixed 9 b42Fixed
Related Reports
Relates :  
JDK-8210787 - Object.wait(long, int) throws inappropriate IllegalArgumentException
Relates :  
JDK-8184719 - Implementation logic of wait(long timeout, int nanos) method in Object class is incorrect
Relates :  
JDK-6568526 - (thread) Thread.sleep(millis, nanos) should not return early
Relates :  
JDK-8210004 - Thread.sleep(millis, nanos) timeout returns early
Description
java.lang.Object.wait(long timeout, int nanos) implementation incorrectly rounds up to milliseconds.
Since the resolution of Object.wait(ms) is only milliseconds, a nanos value less than or equal to 999999 should result in a full extra millisecond.
Comments
Should be backported to 8u40. It is the probable cause of: JDK-8064932 java/lang/ProcessBuilder/Basic.java: waitFor didn't take long enough
12-12-2014