[ https://issues.apache.org/jira/browse/HADOOP-8756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13468232#comment-13468232 ]
Hudson commented on HADOOP-8756: -------------------------------- Integrated in Hadoop-Mapreduce-trunk-Commit #2826 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Commit/2826/]) HADOOP-8756. Fix SEGV when libsnappy is in java.library.path but not LD_LIBRARY_PATH. Contributed by Colin Patrick McCabe (Revision 1393243) Result = FAILURE 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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira