Details
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Bug
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Status: Closed
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Major
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Resolution: Cannot Reproduce
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None
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None
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None
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None
Description
Running test suite on hadoop 2.0, I saw the following test failure:
testFavoredNodes(org.apache.hadoop.hbase.regionserver.TestRegionFavoredNodes) Time elapsed: 0.106 sec <<< ERROR! org.apache.hadoop.hbase.exceptions.DroppedSnapshotException: region: table,rrr,1369355298031.1fdb1b446b02b497f0869a08adad7745. at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1568) at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1429) at org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:1347) at org.apache.hadoop.hbase.MiniHBaseCluster.flushcache(MiniHBaseCluster.java:531) at org.apache.hadoop.hbase.HBaseTestingUtility.flush(HBaseTestingUtility.java:961) at org.apache.hadoop.hbase.regionserver.TestRegionFavoredNodes.testFavoredNodes(TestRegionFavoredNodes.java:132) 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:47) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.junit.runners.Suite.runChild(Suite.java:127) at org.junit.runners.Suite.runChild(Suite.java:26) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.IOException: java.lang.NullPointerException at org.apache.hadoop.hbase.util.FSUtils.create(FSUtils.java:293) at org.apache.hadoop.hbase.io.hfile.AbstractHFileWriter.createOutputStream(AbstractHFileWriter.java:268) at org.apache.hadoop.hbase.io.hfile.HFile$WriterFactory.create(HFile.java:427) at org.apache.hadoop.hbase.regionserver.StoreFile$Writer.<init>(StoreFile.java:791) at org.apache.hadoop.hbase.regionserver.StoreFile$Writer.<init>(StoreFile.java:733) at org.apache.hadoop.hbase.regionserver.StoreFile$WriterBuilder.build(StoreFile.java:671) at org.apache.hadoop.hbase.regionserver.HStore.createWriterInTmp(HStore.java:799) at org.apache.hadoop.hbase.regionserver.DefaultStoreFlusher.flushSnapshot(DefaultStoreFlusher.java:75) at org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:704) at org.apache.hadoop.hbase.regionserver.HStore$StoreFlusherImpl.flushCache(HStore.java:1813) at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:1543) ... 33 more Caused by: java.lang.NullPointerException at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1306) at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:283)
DistributedFileSystem#create() which supports favoredNodes parameter threw NullPointerException.
We should handle the NullPointerException and fall back to conventional DistributedFileSystem#create()
Attachments
Attachments
Issue Links
- relates to
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HDFS-4853 Handle unresolved InetAddress for favored nodes in DFSClient#create()
- Resolved