JDK-8129419 : heapDumper.cpp: assert(length_in_bytes > 0) failed: nothing to copy
- Type: Bug
- Component: hotspot
- Sub-Component: svc
- Affected Version: 7u80,9
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2015-06-22
- Updated: 2016-07-21
- Resolved: 2016-01-19
The Version table provides details related to the release that this issue/RFE will be addressed.
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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.
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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 7 | JDK 8 | JDK 9 |
|---|---|---|
| 7u111Fixed | 8u102Fixed  |
9 b105Fixed |
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Description
When dumping a heap that has big arrays java can crash.
A debug build fails on an assert in heapDumper.cpp.
Test:
public static void main (String[] args) throws IOException {
long[] a = new long[268435456];
// Sleep here and initiate a heapdump, for example with jcmd <pid> GC.heap_dump /tmp/dump.hprof
Error:
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error ([...]/src/share/vm/services/heapDumper.cpp:1038)
# assert(length_in_bytes > 0) failed: nothing to copy
...