Can you import from root of your workspace so that all sub-projects are imported ?
Cheers On Sun, Dec 15, 2013 at 7:45 AM, Karim Awara <karim.aw...@kaust.edu.sa>wrote: > > Attached below. So What I did was after downloading hadoop src. I ran > > $ mvn install -DskipTests$ mvn eclipse:eclipse -DdownloadSources=true > -DdownloadJavadocs=true > > > And imported both Hadoop Common and HDFS projects into eclipse. > > > > > > > > > java.lang.ExceptionInInitializerError > at > org.apache.hadoop.hdfs.server.common.Storage.getBuildVersion(Storage.java:1026) > at > org.apache.hadoop.hdfs.server.protocol.NamespaceInfo.<init>(NamespaceInfo.java:58) > at > org.apache.hadoop.hdfs.server.namenode.NNStorage.newNamespaceInfo(NNStorage.java:550) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:144) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:837) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:266) > at > org.apache.hadoop.hdfs.DFSTestUtil.formatNameNode(DFSTestUtil.java:122) > at > org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:775) > at > org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:642) > at > org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:334) > at > org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:316) > at > org.apache.hadoop.hdfs.TestWriteRead.initJunitModeTest(TestWriteRead.java:77) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:616) > at > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45) > at > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) > at > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) > at > org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27) > at > org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30) > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) > at org.junit.runners.ParentRunner.run(ParentRunner.java:300) > at > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) > at > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) > Caused by: java.lang.NullPointerException > at java.util.Properties$LineReader.readLine(Properties.java:435) > at java.util.Properties.load0(Properties.java:354) > at java.util.Properties.load(Properties.java:342) > at org.apache.hadoop.util.VersionInfo.<init>(VersionInfo.java:51) > at org.apache.hadoop.util.VersionInfo.<clinit>(VersionInfo.java:97) > ... 36 more > > java.lang.NullPointerException > at org.apache.hadoop.hdfs.TestWriteRead.shutdown(TestWriteRead.java:89) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:616) > at > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45) > at > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) > at > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) > at > org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:36) > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68) > at > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) > at org.junit.runners.ParentRunner.run(ParentRunner.java:300) > at > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) > at > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) > > > > > > -- > Best Regards, > Karim Ahmed Awara > > > On Sun, Dec 15, 2013 at 5:59 PM, Ted Yu <yuzhih...@gmail.com> wrote: > >> Can you show us the full stack trace ? >> In Eclipse, was there any project shown with a red bang or red cross ? >> >> Cheers >> >> >> On Sun, Dec 15, 2013 at 2:26 AM, Karim Awara <karim.aw...@kaust.edu.sa>wrote: >> >>> >>> It tells me java.lang.ExceptionInitializerError at >>> org.apache.....hdfs.server.common.Storage.getBuildVersion! >>> >>> I feel I am missing some parameters? >>> >>> -- >>> Best Regards, >>> Karim Ahmed Awara >>> >>> >>> On Sun, Dec 15, 2013 at 5:08 AM, Ted Yu <yuzhih...@gmail.com> wrote: >>> >>>> You can use the following command to generate .project files for >>>> Eclipse (at the root of your workspace): >>>> mvn clean package -DskipTests eclipse:eclipse >>>> >>>> When you import hadoop, call sub-projects would be imported. >>>> >>>> I was able to run TestWriteRead in Eclipse successfully. >>>> >>>> Cheers >>>> >>>> >>>> On Sat, Dec 14, 2013 at 4:56 PM, Karim Awara >>>> <karim.aw...@kaust.edu.sa>wrote: >>>> >>>>> >>>>> Running the test from Maven through commandline works fine. But I am >>>>> using eclipse. And it generates problem if I try to run the test as Junit, >>>>> as if eclipse is not aware of any of the conf parameters or args. Can >>>>> someone point to me a detailed source where it explains how to run Junit >>>>> through Eclipse for hadoop 2.2.x? >>>>> >>>>> >>>>> >>>>> -- >>>>> Best Regards, >>>>> Karim Ahmed Awara >>>>> >>>>> >>>>> On Sun, Dec 15, 2013 at 2:55 AM, Ted Yu <yuzhih...@gmail.com> wrote: >>>>> >>>>>> If you search under hadoop-hdfs-project/hadoop-hdfs/src/test, you >>>>>> would see a lot of tests which use MiniDFSCluster >>>>>> e.g. >>>>>> cluster = new >>>>>> MiniDFSCluster.Builder(conf).numDataNodes(3).build(); >>>>>> >>>>>> hadoop-hdfs-project/hadoop-hdfs/src/test//java/org/apache/hadoop/hdfs/TestWriteRead.java >>>>>> >>>>>> Cheers >>>>>> >>>>>> >>>>>> On Sat, Dec 14, 2013 at 2:43 PM, Karim Awara < >>>>>> karim.aw...@kaust.edu.sa> wrote: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> I read I can use MiniDFSCluster to set my own tests in case I modify >>>>>>> hadop source code. I have built hadoop 2.2. However, I can't find any >>>>>>> source on how to get the MiniDFSCluster working. Can someone point a >>>>>>> link >>>>>>> to me that helps? >>>>>>> >>>>>>> -- >>>>>>> Best Regards, >>>>>>> Karim Ahmed Awara >>>>>>> >>>>>>> ------------------------------ >>>>>>> This message and its contents, including attachments are intended >>>>>>> solely for the original recipient. If you are not the intended >>>>>>> recipient or >>>>>>> have received this message in error, please notify me immediately and >>>>>>> delete this message from your computer system. Any unauthorized use or >>>>>>> distribution is prohibited. Please consider the environment before >>>>>>> printing >>>>>>> this email. >>>>>> >>>>>> >>>>>> >>>>> >>>>> ------------------------------ >>>>> This message and its contents, including attachments are intended >>>>> solely for the original recipient. If you are not the intended recipient >>>>> or >>>>> have received this message in error, please notify me immediately and >>>>> delete this message from your computer system. Any unauthorized use or >>>>> distribution is prohibited. Please consider the environment before >>>>> printing >>>>> this email. >>>>> >>>> >>>> >>> >>> ------------------------------ >>> This message and its contents, including attachments are intended solely >>> for the original recipient. If you are not the intended recipient or have >>> received this message in error, please notify me immediately and delete >>> this message from your computer system. Any unauthorized use or >>> distribution is prohibited. Please consider the environment before printing >>> this email. >>> >> >> > > ------------------------------ > This message and its contents, including attachments are intended solely > for the original recipient. If you are not the intended recipient or have > received this message in error, please notify me immediately and delete > this message from your computer system. Any unauthorized use or > distribution is prohibited. Please consider the environment before printing > this email. >
