JDK-7068328 : BufferPoolMXBean and PlatformLoggingMXBean getObjectName may return null
  • Type: Bug
  • Component: core-svc
  • Sub-Component: java.lang.management
  • Affected Version: 7,8
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2011-07-19
  • Updated: 2013-04-30
  • Resolved: 2011-09-07
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JDK 7 JDK 8
7u2Fixed 8 b04Fixed
Related Reports
Relates :  
JDK-6844054 - (bf) Eliminate dependency on javax.management.ObjectName
Description
As point out here:
 http://mail.openjdk.java.net/pipermail/nio-dev/2011-July/001385.html

there is a race that allows BufferPoolMXBean's getObjectName method to return null. The same issue is possible with PlatformLogginMXBean.
The following SDK/JDK test was added for this bug:

    java/lang/management/ManagementFactory/GetObjectName.java
Comments
EVALUATION URL: http://hg.openjdk.java.net/jdk8/tl/jdk/rev/4e53fc6bcac0
23-08-2011
EVALUATION Yes, there is a race condition here. Easily fixed.
19-07-2011