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15/09/27 09:45:26 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable #837
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FWIW I think I see that warning every time I run an adam-shell; I don't On Sun, Sep 27, 2015 at 12:50 PM dbl notifications@github.com wrote:
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It’s coming from Spark. I’m investigating ... http://stackoverflow.com/questions/32800018/hadoop-2-6-1-warning-warn-util-nativecodeloader/32800241?noredirect=1#comment53458542_32800241 http://stackoverflow.com/questions/32800018/hadoop-2-6-1-warning-warn-util-nativecodeloader/32800241?noredirect=1#comment53458542_32800241
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Still no solution. Do you know why adam-shell gets these Java errors: r@0.0.0.0:4040: java.net.BindException: Address already in use
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If you're referring to the "BindException"s, that s Spark's UI trying to Ironically, I was just running >16 spark apps in yarn-client mode on the But in general, you can ignore them; they're definitely annoying and Spark On Sun, Sep 27, 2015 at 10:41 PM dbl notifications@github.com wrote:
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Thanks! I’ll check out Spree. Just curious - have you ever tried:
to run Adam, instead of adam-shell?
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I have not, though I did do a bunch of checking out spark-notebook recently I am also meaning to check out jupiter scala. I heard mixed reviews about On Sun, Sep 27, 2015 at 11:14 PM dbl notifications@github.com wrote:
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Did you change the ‘adam-shell’ to include the Spree requirements? If using Spark ≥ 1.5.0, simply pass the following flags to spark-{shell,submit}: --packages org.hammerlab:spark-json-relay:2.0.0 Include JsonRelay on the driver's classpath--driver-class-path /path/to/json-relay-2.0.0.jar Register your JsonRelay as a SparkListener--conf spark.extraListeners=org.apache.spark.JsonRelay Point it at your
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Hey David, that's weird, I've not seen that, can you jump in to the Spree On Mon, Sep 28, 2015 at 10:34 AM dbl notifications@github.com wrote:
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I’m there now ...
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FWIW these two Spark JIRAs are relevant to the Let's leave this issue open to focus on just the |
I solved the native code loader issue with Hadoop, but not yet with Spark. http://stackoverflow.com/questions/32800018/hadoop-2-6-1-warning-warn-util-nativecodeloader/32803314#32803314 http://stackoverflow.com/questions/32800018/hadoop-2-6-1-warning-warn-util-nativecodeloader/32803314#32803314
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IIRC, the hadoop native libraries are not supported for anything other than *nix platforms. Also see here: http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/NativeLibraries.html I wouldn't worry about this if you're running on a Mac or Windows, as presumably any production jobs would be running on a "real" cluster that's running Linux. |
Got it! Thanks!
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Sure enough, I don't see this on Linux, only OSX, and only in ADAM, not in Do we know what ADAM is using that is exercising this, that Spark does not? |
It’s coming from spark: $ spark-shell
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Weird, I can't reproduce it with a |
I pulled Spark version 1.5.1 from github yesterday. Welcome to Using Scala version 2.10.4 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_05)
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snappy maybe? |
Perhaps.
$ make check PASS: snappy_unittestTestsuite summary for snappy 1.1.3TOTAL: 1PASS: 1SKIP: 0XFAIL: 0FAIL: 0XPASS: 0ERROR: 0Recompiling Spark ...
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Hmmm… http://apache-spark-user-list.1001560.n3.nabble.com/Unable-to-load-native-hadoop-library-td509.html http://apache-spark-user-list.1001560.n3.nabble.com/Unable-to-load-native-hadoop-library-td509.html
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Same result … bin/spark-shell
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I wouldn't worry about this unless you're getting these errors on a linux box. |
I'm getting a warning running 'bin/adam-shell', on OS X 10.10.5:
15/09/27 09:45:26 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
I had this problem with the binary distributions of Hadoop (e.g. - 2.3.0, 2.6.1) until I built hadoop from source with the 'native' option enabled and set this environment variable:
HADOOP_COMMON_LIB_NATIVE_DIR=/Users/davidlaxer/hadoop/hadoop-dist/target/hadoop-3.0.0-SNAPSHOT/lib/native
Is this a Spark Warning? Do I have to set a SPARK environment variable?
Is there an ADAM option I must set?
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