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From Chris Nauroth <cnaur...@hortonworks.com>
Subject Re: error using MiniDFSCluster in windows
Date Wed, 07 Jan 2015 23:36:20 GMT
Hi Yogendra,

This is something that I had fixed as part of HDFS-573.

https://issues.apache.org/jira/browse/HDFS-573

The relevant portion of hadoop-hdfs-project/hadoop-hdfs/pom.xml is here,
where we set up HADOOP_HOME and PATH to reference hadoop.dll and
winutils.exe in the hadoop-common-project/hadoop-common build:

                    <macrodef name="run-test">
                      <attribute name="test"/>
                      <sequential>
                        <echo message="Running @{test}"/>
                        <exec
executable="${project.build.directory}/native/RelWithDebInfo/@{test}"
failonerror="true" dir="${project.build.directory}/native/">
                          <env key="CLASSPATH"
value="${test_classpath}:${compile_classpath}"/>
                          <!-- HADOOP_HOME required to find winutils. -->
                          <env key="HADOOP_HOME"
value="${hadoop.common.build.dir}"/>
                          <!-- Make sure hadoop.dll and jvm.dll are on
PATH. -->
                          <env key="PATH"
value="${env.PATH};${hadoop.common.build.dir}/bin;${java.home}/jre/bin/server;${java.home}/bin/server"/>
                        </exec>
                        <echo message="Finished @{test}"/>
                      </sequential>
                    </macrodef>

This means if you have a built hadoop.dll and winutils.exe in your
hadoop-common module, then the libhdfs tests in the hadoop-hdfs module will
find it there.  I expect you can resolve the problem by either rebuilding
the hadoop-common module and then rerunning the hadoop-hdfs build, or just
build the whole project from the root of the source tree.

Chris Nauroth
Hortonworks
http://hortonworks.com/


On Tue, Jan 6, 2015 at 1:23 AM, yogendra reddy <yogendra.60@gmail.com>
wrote:

> Hi,
>
> unit tests with minidfscluster are failing with this error. Looks like it
> requires hadoop.dll in lib path and winutils.exe accessible through
> HADOOP_HOME. Is there anything I can configure in pom.xml file so that the
> library path and HADOOP_HOME requirements get injected?
>
>
>
> java.lang.UnsatisfiedLinkError:
> org.apache.hadoop.io.nativeio.NativeIO$Windows.access0(Ljava/lang/String;I)Z
>
>               at
> org.apache.hadoop.io.nativeio.NativeIO$Windows.access0(Native Method)
>
>               at
> org.apache.hadoop.io.nativeio.NativeIO$Windows.access(NativeIO.java:570)
>
>               at org.apache.hadoop.fs.FileUtil.canWrite(FileUtil.java:996)
>
>               at
> org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:484)
>
>               at
> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverStorageDirs(FSImage.java:292)
>
>               at
> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:202)
>
>               at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:879)
>
>               at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:638)
>
>               at
> org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:455)
>
>               at
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:511)
>
>               at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:670)
>
>               at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:655)
>
>               at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1304)
>
>               at
> org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:975)
>
>               at
> org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:856)
>
>               at
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:702)
>
>               at
> org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:374)
>
>               at
> org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:355)
>
>               at
> JobConfigurationFileReaderTest.shouldSelectFilesForThePastHour(JobConfigurationFileReaderTest.java:53)
>
>               at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
>
>               at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>
>               at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
>               at java.lang.reflect.Method.invoke(Method.java:597)
>
>               at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
>
>               at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>
>               at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
>
>               at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>
>               at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
>
>               at
> org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
>
>               at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
>
>               at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
>
>               at
> org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
>
>               at
> org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
>
>               at
> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
>
>               at
> org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
>
>               at
> org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
>
>               at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
>
>               at
> org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
>
>               at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)
>
>               at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)
>
>               at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
>
>               at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>
>               at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
>               at java.lang.reflect.Method.invoke(Method.java:597)
>
>               at
> org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)
>
>               at
> org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)
>
>               at
> org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:175)
>
>               at
> org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcessWhenForked(SurefireStarter.java:107)
>
>               at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:68)
>
>
> Thanks,
>
> Yogendra
>
>
>

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