JDK-6495505 : MBeans tab: jconsole misinterprets java.lang.Void on Open MBean operations
- Type: Bug
- Component: tools
- Sub-Component: jconsole
- Affected Version: 5.0
- Priority: P4
- Status: Closed
- Resolution: Fixed
- OS: windows_xp
- CPU: x86
- Submitted: 2006-11-20
- Updated: 2011-03-08
- Resolved: 2011-03-08
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Unresolved : Release in which this issue/RFE will be addressed.
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Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 6 | JDK 7 |
|---|---|
6u4Fixed  |
7 b05Fixed |
Description
FULL PRODUCT VERSION : java version "1.5.0_04" Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_04-b05) Java HotSpot(TM) Client VM (build 1.5.0_04-b05, mixed mode, sharing) ADDITIONAL OS VERSION INFORMATION : Microsoft Windows XP [version 5.1.2600] A DESCRIPTION OF THE PROBLEM : For a non-Open MBean, an operation with a void return type results in an "Operation Completed Successfully" message. For an Open MBean, where the return type is specified as SimpleType.VOID, invocation results in a "Operation returned null" message. STEPS TO FOLLOW TO REPRODUCE THE PROBLEM : Create an Open MBean with a void operation. Register with a the MBeanServer. Start jconsole, navigate to the MBean operation, invoke it. EXPECTED VERSUS ACTUAL BEHAVIOR : EXPECTED - "Operation completed successfully" message (as per non-Open MBeans) ACTUAL - "Operation returned null" message (as per non-void operations that return null) REPRODUCIBILITY : This bug can be reproduced always.
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