I think there is/was a bug in HDFS which caused a NPE due to umask. My guess is it's 0002 where as it needs to be 0022.
On Sat, Jan 19, 2013 at 2:56 PM, Connor Woodson <[email protected]> wrote: > Running "mvn test" on the latest Flume code, I get a test failure in > TestHDFSEventSinkOnMiniCluster. > > I'm using a fresh build of Ubuntu - is there a package I'm supposed to > install for it to work? > > <testcase time="2.092" > classname="org.apache.flume.sink.hdfs.TestHDFSEventSinkOnMiniCluster" > name="org.apache.flume.sink.hdfs.TestHDFSEventSinkOnMiniCluster"> > <error > type="java.lang.NullPointerException">java.lang.NullPointerException > at > org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:422) > at > org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:280) > at > org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:124) > at > org.apache.flume.sink.hdfs.TestHDFSEventSinkOnMiniCluster.setup(TestHDFSEventSinkOnMiniCluster.java:73) > 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$1.runReflectiveCall(FrameworkMethod.java:45) > at > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) > at > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) > at > org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27) > at > org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30) > at org.junit.runners.ParentRunner.run(ParentRunner.java:300) > at > org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:236) > at > org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:134) > at > org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:113) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:616) > at > org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189) > at > org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165) > at > org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85) > at > org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:103) > at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:74) > </error> > <system-out>2013-01-19 22:46:11,966 (main) [WARN - > org.apache.hadoop.metrics2.impl.MetricsSystemImpl.init(MetricsSystemImpl.java:137)] > Metrics system not started: Cannot locate configuration: tried > hadoop-metrics2-namenode.properties, hadoop-metrics2.properties > Starting DataNode 0 with dfs.data.dir: > target/test/dfs/dfs/data/data1,target/test/dfs/dfs/data/data2 > 2013-01-19 22:46:12,950 (main) [WARN - > org.apache.hadoop.metrics2.impl.MetricsSystemImpl.init(MetricsSystemImpl.java:137)] > Metrics system not started: Cannot locate configuration: tried > hadoop-metrics2-datanode.properties, hadoop-metrics2.properties > 2013-01-19 22:46:12,970 (main) [WARN - > org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1577)] > Invalid directory in dfs.data.dir: Incorrect permission for > target/test/dfs/dfs/data/data1, expected: rwxr-xr-x, while actual: rwxrwxr-x > 2013-01-19 22:46:12,978 (main) [WARN - > org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1577)] > Invalid directory in dfs.data.dir: Incorrect permission for > target/test/dfs/dfs/data/data2, expected: rwxr-xr-x, while actual: rwxrwxr-x > 2013-01-19 22:46:12,978 (main) [ERROR - > org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1583)] > All directories in dfs.data.dir are invalid. > </system-out> > </testcase> -- Apache MRUnit - Unit testing MapReduce - http://incubator.apache.org/mrunit/
