JDK-8159696 : java.beans.MethodRef#get throws NullPointerException
- Type: Bug
- Component: client-libs
- Sub-Component: java.beans
- Affected Version: 8u92
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- OS: linux
- CPU: x86_64
- Submitted: 2016-06-09
- Updated: 2017-11-29
- Resolved: 2016-08-12
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Resolved: Release in which this issue/RFE has been resolved.
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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
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 8 | JDK 9 |
|---|---|
8u152Fixed  |
9 b133Fixed |
Description
FULL PRODUCT VERSION : java version "1.8.0_92" Java(TM) SE Runtime Environment (build 1.8.0_92-b14) Java HotSpot(TM) Server VM (build 25.92-b14, mixed mode) ADDITIONAL OS VERSION INFORMATION : Linux jokimi1-vdm 3.13.0-35-generic #62-Ubuntu SMP Fri Aug 15 01:58:42 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux A DESCRIPTION OF THE PROBLEM : When this line is reached... "return isPackageAccessible(method.getDeclaringClass()) ? method : null;" ... "method" can be null. ERROR MESSAGES/STACK TRACES THAT OCCUR : Caused by: java.lang.NullPointerException at java.beans.MethodRef.get(MethodRef.java:72) ~[?:1.8.0_92] at java.beans.PropertyDescriptor.getWriteMethod(PropertyDescriptor.java:271) ~[?:1.8.0_92] at java.beans.Introspector.addPropertyDescriptor(Introspector.java:588) ~[?:1.8.0_92] at java.beans.Introspector.addPropertyDescriptors(Introspector.java:614) ~[?:1.8.0_92] at java.beans.Introspector.getTargetPropertyInfo(Introspector.java:467) ~[?:1.8.0_92] at java.beans.Introspector.getBeanInfo(Introspector.java:428) ~[?:1.8.0_92] at java.beans.Introspector.getBeanInfo(Introspector.java:173) ~[?:1.8.0_92] REPRODUCIBILITY : This bug can be reproduced always. ---------- BEGIN SOURCE ---------- I was unable to reproduce it outside the application. I think it might be dependent on memory/GC pressure. When this happens, there is a lot of object allocation. ---------- END SOURCE ----------