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https://issues.apache.org/jira/browse/HADOOP-8756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13468548#comment-13468548
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Hudson commented on HADOOP-8756:
--------------------------------
Integrated in Hadoop-Hdfs-trunk #1184 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1184/])
HADOOP-8756. Fix SEGV when libsnappy is in java.library.path but not
LD_LIBRARY_PATH. Contributed by Colin Patrick McCabe (Revision 1393243)
Result = SUCCESS
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1393243
Files :
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/CMakeLists.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/config.h.cmake
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/SnappyCodec.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/snappy/LoadSnappy.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/snappy/SnappyCompressor.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/snappy/SnappyDecompressor.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/NativeCodeLoader.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/util/NativeCodeLoader.c
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/compress/TestCodec.java
> Fix SEGV when libsnappy is in java.library.path but not LD_LIBRARY_PATH
> -----------------------------------------------------------------------
>
> Key: HADOOP-8756
> URL: https://issues.apache.org/jira/browse/HADOOP-8756
> Project: Hadoop Common
> Issue Type: Bug
> Components: native
> Affects Versions: 2.0.2-alpha
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Fix For: 2.0.3-alpha
>
> Attachments: HADOOP-8756.002.patch, HADOOP-8756.003.patch,
> HADOOP-8756.004.patch
>
>
> We use {{System.loadLibrary("snappy")}} from the Java side. However in
> libhadoop, we use {{dlopen}} to open libsnappy.so dynamically.
> System.loadLibrary uses {{java.library.path}} to resolve libraries, and
> {{dlopen}} uses {{LD_LIBRARY_PATH}} and the system paths to resolve
> libraries. Because of this, the two library loading functions can be at odds.
> We should fix this so we only load the library once, preferably using the
> standard Java {{java.library.path}}.
> We should also log the search path(s) we use for {{libsnappy.so}} when
> loading fails, so that it's easier to diagnose configuration issues.
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