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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3296) Running libhdfs tests in mac fails
Date Wed, 18 May 2016 19:14:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15289618#comment-15289618

Chris Nauroth commented on HDFS-3296:

Hi [~aw].  Thanks for setting up a nightly on OS X!  Even just a basic build to catch compilation
errors is a huge help.

The patch here won't help with any compilation problems.  This patch was just a small step
towards fixing the libhdfs tests on Mac by setting up {{DYLD_LIBRARY_PATH}} with the right
shared library dependencies.  It isn't sufficient though, because we still have a compatibility
problem around domain socket usage.  This manifests as test failures in {{TestDomainSocketWatcher}}
and unfortunately some of the libhdfs tests just hang.

If the immediate goal is a basic build on OS X, then what I'm currently seeing on trunk is
a compilation error in the container executor.  This was introduced by patch YARN-4594, and
I commented on the situation here:


To summarize that discussion, if I can get the build environment to target the Mac OS X 10.10
SDK, then I suspect it would work.  I wasn't able to follow up on it though.  I'm curious
if you have any thoughts on this.

> Running libhdfs tests in mac fails
> ----------------------------------
>                 Key: HDFS-3296
>                 URL: https://issues.apache.org/jira/browse/HDFS-3296
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: libhdfs
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Chris Nauroth
>         Attachments: HDFS-3296.001.patch, HDFS-3296.002.patch
> Running "ant -Dcompile.c++=true -Dlibhdfs=true test-c++-libhdfs" on Mac fails with following
> {noformat}
>      [exec] dyld: lazy symbol binding failed: Symbol not found: _JNI_GetCreatedJavaVMs
>      [exec]   Referenced from: /Users/amareshwari.sr/workspace/hadoop/build/c++/Mac_OS_X-x86_64-64/lib/libhdfs.0.dylib
>      [exec]   Expected in: flat namespace
>      [exec] 
>      [exec] dyld: Symbol not found: _JNI_GetCreatedJavaVMs
>      [exec]   Referenced from: /Users/amareshwari.sr/workspace/hadoop/build/c++/Mac_OS_X-x86_64-64/lib/libhdfs.0.dylib
>      [exec]   Expected in: flat namespace
>      [exec] 
>      [exec] /Users/amareshwari.sr/workspace/hadoop/src/c++/libhdfs/tests/test-libhdfs.sh:
line 122: 39485 Trace/BPT trap: 5       CLASSPATH=$HADOOP_CONF_DIR:$CLASSPATH LD_PRELOAD="$LIB_JVM_DIR/libjvm.so:$LIBHDFS_INSTALL_DIR/libhdfs.so:"
> {noformat}

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