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Posted to common-issues@hadoop.apache.org by "Alan Burlison (JIRA)" <ji...@apache.org> on 2016/01/18 14:46:39 UTC
[jira] [Created] (HADOOP-12720) Misuse of sun.misc.Unsafe by
org.apache.hadoop.io.FastByteComparisons$LexicographicalComparerHolder$UnsafeComparer.compareTo
causes misaligned memory access coredumps
Alan Burlison created HADOOP-12720:
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Summary: Misuse of sun.misc.Unsafe by org.apache.hadoop.io.FastByteComparisons$LexicographicalComparerHolder$UnsafeComparer.compareTo causes misaligned memory access coredumps
Key: HADOOP-12720
URL: https://issues.apache.org/jira/browse/HADOOP-12720
Project: Hadoop Common
Issue Type: Sub-task
Components: io
Affects Versions: 2.7.1
Environment: Solaeis SPARC
Reporter: Alan Burlison
Core dump details below:
{noformat}
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.85-b07 mixed mode solaris-sparc compressed oops)
# Problematic frame:
# J 86 C2 org.apache.hadoop.io.FastByteComparisons$LexicographicalComparerHolder$UnsafeComparer.compareTo([BII[BII)I (273 bytes) @ 0xffffffff6fc9b150 [0xffffffff6fc9b0e0+0x70]
Stack: [0xffffffff7e200000,0xffffffff7e300000], sp=0xffffffff7e2fce50, free space=1011k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
J 86 C2 org.apache.hadoop.io.FastByteComparisons$LexicographicalComparerHolder$UnsafeComparer.compareTo([BII[BII)I (273 bytes) @ 0xffffffff6fc9b150 [0xffffffff6fc9b0e0+0x70]
j org.apache.hadoop.io.FastByteComparisons$LexicographicalComparerHolder$UnsafeComparer.compareTo(Ljava/lang/Object;IILjava/lang/Object;II)I+16
j org.apache.hadoop.io.FastByteComparisons.compareTo([BII[BII)I+11
j org.apache.hadoop.io.WritableComparator.compareBytes([BII[BII)I+8
j org.apache.hadoop.io.Text$Comparator.compare([BII[BII)I+39
j org.apache.hadoop.io.TestText.testCompare()V+167
v ~StubRoutines::call_stub
{noformat}
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