JDK-6503428 : (ch) Assertion failure in NativeThreadSet.add
- Type: Bug
- Component: core-libs
- Sub-Component: java.nio
- Affected Version: 5.0,6u26
- Priority: P4
- Status: Closed
- Resolution: Fixed
- OS: linux
- CPU: x86
- Submitted: 2006-12-12
- Updated: 2014-01-16
- Resolved: 2011-05-18
The Version table provides details related to the release that this issue/RFE will be addressed.
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.
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 6 | JDK 7 |
|---|---|
| 6u71Fixed | 7 b06Fixed  |
Related Reports
|
Duplicate :
|
|
|
Relates :
|
Description
FULL PRODUCT VERSION :
java version "1.5.0_08"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_08-b03)
Java HotSpot(TM) Client VM (build 1.5.0_08-b03, mixed mode, sharing)
ADDITIONAL OS VERSION INFORMATION :
Linux samantm 2.6.16.21-0.15-smp #1 SMP Tue Jul 25 15:28:49 UTC 2006 i686 i686 i386 GNU/Linux
A DESCRIPTION OF THE PROBLEM :
Received an assertion failure when attempting to read from a FileChannel.
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
This is a difficult bug to reproduce due to the multithreaded nature of the problem. Looking at the source of sun.nio.ch.NativeThreadSet reveals an off-by-one error on line 32. This issue can be resolved by changing
if (used > elts.length) {
to
if (used >= elts.length) {
EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
No assertion failure.
ERROR MESSAGES/STACK TRACES THAT OCCUR :
java.lang.AssertionError
at sun.nio.ch.NativeThreadSet.add(NativeThreadSet.java:46)
at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:649)
at com.orchestral.rhapsody.blobstore.file.FileWritableBlob.write(FileWritableBlob.java:115)
at com.orchestral.rhapsody.blobstore.file.rolling.RollingFileWritableBlob.write(RollingFileWritableBlob.java:51)
at com.orchestral.rhapsody.message.internal.MessageImpl.persist(MessageImpl.java:380)
at com.orchestral.rhapsody.execution.communicationpoint.spi.ConnectionExecutorStrategy$2.execute(ConnectionExecutorStrategy.java:52)
at com.orchestral.rhapsody.execution.communicationpoint.spi.ConnectionExecutor.run(ConnectionExecutor.java:110)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)
REPRODUCIBILITY :
This bug can be reproduced occasionally.
Comments
|