Hi to all, this is my first mail to this mailing list so please have patience if I make some bad choice in the format.
I have a kubuntu-14.04 on an old Intel Core 2 Duo processor T7500 with 2 GB of RAM. I have properly installed Hadoop-2.7.1, Sun Java JDK 1.8.0_60 e Hama-0.7.0 as you can see from the following lines: > > > $ hadoop version > > Hadoop 2.7.1 > > Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r 15ecc87ccf4a0228f35af08fc56de536e6ce657a > > Compiled by jenkins on 2015-06-29T06:04Z > > Compiled with protoc 2.5.0 > > From source with checksum fc0a1a23fc1868e4d5ee7fa2b28a58a > > This command was run using /home/tora/Downloads/hadoop-2.7.1/share/hadoop/common/hadoop-common-2.7.1.jar > > $ java -version > > java version "1.8.0_60" > > Java(TM) SE Runtime Environment (build 1.8.0_60-b27) > > Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode) > > I am able to properly run the basic Hadoop and Hama examples like the following: bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.1.jar grep input output 'dfs[a-z.]+' bin/hama jar hama-examples-0.7.0.jar pi My problem is that I receive the following error message when I try to run the HelloWorld Hama Streaming example with this instruction: bin/hama pipes -streaming true -bspTasks 2 -interpreter python3.2 -cachefiles /tmp/PyStreaming/*.py -output /tmp/pystream-out/ -program /tmp/PyStreaming/BSPRunner.py -programArgs HelloWorldBSP The default python interpreters of my OS were python-2.7 and python-3.4; since I had problems with this example I also tried to install python-3.2 with the following instructions but it didn't solved the problem: > > > sudo apt-get install software-properties-common > > sudo apt-add-repository ppa:fkrull/deadsnakes > > sudo apt-get update > > sudo apt-get install python3.2 > > The installed python version is 3.2.6 as you can see from the following lines: > > > $ python3.2 > > Python 3.2.6 (default, Oct 21 2014, 12:50:03) > > [GCC 4.8.2] on linux2 > > Type "help", "copyright", "credits" or "license" for more information. > > >>> > > The error message is the following (I am working in local mode so I didn't run bin/start-bspd.sh): > > > > > > $ clear;bin/hama pipes -streaming true -bspTasks 2 -interpreter python3.2 -cachefiles /tmp/PyStreaming/*.py -output /tmp/pystream-out/ -program /tmp/PyStreaming/BSPRunner.py -programArgs HelloWorldBSP > > 15/09/30 12:39:11 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable > > 15/09/30 12:39:11 INFO pipes.Submitter: Streaming enabled! > > 15/09/30 12:39:11 INFO Configuration.deprecation: fs.default.name is deprecated. Instead, use fs.defaultFS > > 15/09/30 12:39:11 INFO Configuration.deprecation: user.name is deprecated. Instead, use mapreduce.job.user.name > > 15/09/30 12:39:11 WARN conf.Configuration: org.apache.hadoop.fs.ChecksumFileSystem$FSDataBoundedInputStream@4ddced80:an attempt to override final parameter: mapreduce.job.end-notification.max.retry.interval; Ignoring. > > 15/09/30 12:39:11 WARN conf.Configuration: org.apache.hadoop.fs.ChecksumFileSystem$FSDataBoundedInputStream@4ddced80:an attempt to override final parameter: mapreduce.job.end-notification.max.attempts; Ignoring. > > 15/09/30 12:39:12 INFO Configuration.deprecation: user.name is deprecated. Instead, use mapreduce.job.user.name > > 15/09/30 12:39:12 INFO bsp.BSPJobClient: Running job: job_localrunner_0001 > > 15/09/30 12:39:12 INFO Configuration.deprecation: mapred.cache.localFiles is deprecated. Instead, use mapreduce.job.cache.local.files > > 15/09/30 12:39:12 INFO bsp.LocalBSPRunner: Setting up a new barrier for 2 tasks! > > java.lang.NumberFormatException: For input string: "Traceback (most recent call last):" > > at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) > > at java.lang.Integer.parseInt(Integer.java:580) > > at java.lang.Integer.parseInt(Integer.java:615) > > at org.apache.hama.pipes.protocol.StreamingProtocol$StreamingUplinkReaderThread.readCommand(StreamingProtocol.java:174) > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:106) > > java.lang.NumberFormatException: For input string: "Traceback (most recent call last):" > > at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) > > at java.lang.Integer.parseInt(Integer.java:580) > > at java.lang.Integer.parseInt(Integer.java:615) > > at org.apache.hama.pipes.protocol.StreamingProtocol$StreamingUplinkReaderThread.readCommand(StreamingProtocol.java:174) > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:106) > > 15/09/30 12:39:12 ERROR protocol.UplinkReader: java.lang.Exception: Bad command code: -2 > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:172) > > > > 15/09/30 12:39:12 ERROR protocol.UplinkReader: java.lang.Exception: Bad command code: -2 > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:172) > > > > java.util.concurrent.BrokenBarrierException > > at java.util.concurrent.CyclicBarrier.dowait(CyclicBarrier.java:250) > > at java.util.concurrent.CyclicBarrier.await(CyclicBarrier.java:362) > > at org.apache.hama.pipes.protocol.StreamingProtocol.start(StreamingProtocol.java:223) > > at org.apache.hama.pipes.PipesApplication.start(PipesApplication.java:293) > > at org.apache.hama.pipes.PipesBSP.setup(PipesBSP.java:43) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:255) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:286) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:211) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > at java.lang.Thread.run(Thread.java:745) > > Exception in thread "pipe-uplink-handler" java.lang.RuntimeException: java.lang.Exception: Bad command code: -2 > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:180) > > Caused by: java.lang.Exception: Bad command code: -2 > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:172) > > java.util.concurrent.BrokenBarrierException > > at java.util.concurrent.CyclicBarrier.dowait(CyclicBarrier.java:250) > > at java.util.concurrent.CyclicBarrier.await(CyclicBarrier.java:362) > > at org.apache.hama.pipes.protocol.StreamingProtocol.start(StreamingProtocol.java:223) > > at org.apache.hama.pipes.PipesApplication.start(PipesApplication.java:293) > > at org.apache.hama.pipes.PipesBSP.setup(PipesBSP.java:43) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:255) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:286) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:211) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > at java.lang.Thread.run(Thread.java:745) > > Exception in thread "pipe-uplink-handler" java.lang.RuntimeException: java.lang.Exception: Bad command code: -2 > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:180) > > Caused by: java.lang.Exception: Bad command code: -2 > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:172) > > 15/09/30 12:39:12 ERROR bsp.LocalBSPRunner: Exception during BSP execution! > > java.io.IOException: Stream closed > > at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) > > at java.io.OutputStream.write(OutputStream.java:116) > > at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) > > at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) > > at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:141) > > at java.io.DataOutputStream.flush(DataOutputStream.java:123) > > at org.apache.hama.pipes.protocol.StreamingProtocol.writeLine(StreamingProtocol.java:287) > > at org.apache.hama.pipes.protocol.StreamingProtocol.runSetup(StreamingProtocol.java:248) > > at org.apache.hama.pipes.PipesBSP.setup(PipesBSP.java:45) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:255) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:286) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:211) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > at java.lang.Thread.run(Thread.java:745) > > 15/09/30 12:39:12 ERROR bsp.LocalBSPRunner: Exception during BSP execution! > > java.lang.InterruptedException: java.lang.Exception: Bad command code: -2 > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:172) > > > > at org.apache.hama.pipes.protocol.BinaryProtocol.waitForFinish(BinaryProtocol.java:335) > > at org.apache.hama.pipes.PipesApplication.waitForFinish(PipesApplication.java:329) > > at org.apache.hama.pipes.PipesBSP.setup(PipesBSP.java:47) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:255) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:286) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:211) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > at java.lang.Thread.run(Thread.java:745) > > 15/09/30 12:39:12 ERROR bsp.LocalBSPRunner: Error cleaning up after bsp execution. > > java.io.IOException: Stream closed > > at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) > > at java.io.OutputStream.write(OutputStream.java:116) > > at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) > > at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) > > at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:141) > > at java.io.DataOutputStream.flush(DataOutputStream.java:123) > > at org.apache.hama.pipes.protocol.StreamingProtocol.writeLine(StreamingProtocol.java:287) > > at org.apache.hama.pipes.protocol.StreamingProtocol.runCleanup(StreamingProtocol.java:271) > > at org.apache.hama.pipes.PipesBSP.cleanup(PipesBSP.java:95) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:262) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:286) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:211) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > at java.lang.Thread.run(Thread.java:745) > > 15/09/30 12:39:12 ERROR bsp.LocalBSPRunner: Error cleaning up after bsp execution. > > java.io.IOException: Stream closed > > at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) > > at java.io.OutputStream.write(OutputStream.java:116) > > at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) > > at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) > > at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:141) > > at java.io.DataOutputStream.flush(DataOutputStream.java:123) > > at org.apache.hama.pipes.protocol.StreamingProtocol.writeLine(StreamingProtocol.java:287) > > at org.apache.hama.pipes.protocol.StreamingProtocol.runCleanup(StreamingProtocol.java:271) > > at org.apache.hama.pipes.PipesBSP.cleanup(PipesBSP.java:95) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:262) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:286) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:211) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > at java.lang.Thread.run(Thread.java:745) > > 15/09/30 12:39:12 ERROR bsp.LocalBSPRunner: Exception during BSP execution! > > java.util.concurrent.ExecutionException: java.lang.InterruptedException: java.lang.Exception: Bad command code: -2 > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:172) > > > > at java.util.concurrent.FutureTask.report(FutureTask.java:122) > > at java.util.concurrent.FutureTask.get(FutureTask.java:192) > > at org.apache.hama.bsp.LocalBSPRunner$ThreadObserver.run(LocalBSPRunner.java:313) > > at java.lang.Thread.run(Thread.java:745) > > Caused by: java.lang.InterruptedException: java.lang.Exception: Bad command code: -2 > > at org.apache.hama.pipes.protocol.UplinkReader.run(UplinkReader.java:172) > > > > at org.apache.hama.pipes.protocol.BinaryProtocol.waitForFinish(BinaryProtocol.java:335) > > at org.apache.hama.pipes.PipesApplication.waitForFinish(PipesApplication.java:329) > > at org.apache.hama.pipes.PipesBSP.setup(PipesBSP.java:47) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.run(LocalBSPRunner.java:255) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:286) > > at org.apache.hama.bsp.LocalBSPRunner$BSPRunner.call(LocalBSPRunner.java:211) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > ... 1 more > > 15/09/30 12:39:13 INFO bsp.BSPJobClient: Job failed. > > I tried to searching for these error messages with google but I didn't find any solution. Does anyone of you have any idea of how can I solve this problem? Any help is appreciated :) Thank you Best Vincenzo
