Details
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Bug
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Status: Resolved
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Major
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Resolution: Not A Problem
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None
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None
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None
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None
Description
I was trying to use viewfs:// with hadoop 2.2.0 and two namenodes. I tried to run accumulo init and it failed.
I had the following in my hadoop core-site.xml
<configuration> <property> <name>fs.default.name</name> <value>viewfs:///</value> </property> <property> <name>fs.viewfs.mounttable.default.link./nn1</name> <value>hdfs://ip-10-1-3-10:9000</value> </property> <property> <name>fs.viewfs.mounttable.default.link./nn2</name> <value>hdfs://ip-10-1-3-11:9000</value> </property> </configuration>
I had the following in my accumulo-site.xml
<property> <name>instance.volumes</name> <value>viewfs://nn1,viewfs://nn2</value> </property>
I saw the following exception. At this point I am not sure if this is a config problem, accumulo bug, or hadoop bug.
$ ./bin/accumulo init 2013-12-17 20:49:13,289 [init.Initialize] FATAL: java.io.IOException: viewfs://nn1/ java.io.IOException: viewfs://nn1/ at org.apache.hadoop.fs.viewfs.InodeTree.<init>(InodeTree.java:338) at org.apache.hadoop.fs.viewfs.ViewFileSystem$1.<init>(ViewFileSystem.java:161) at org.apache.hadoop.fs.viewfs.ViewFileSystem.initialize(ViewFileSystem.java:161) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2433) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:88) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2467) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2449) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:367) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:287) at org.apache.accumulo.server.fs.VolumeManagerImpl.get(VolumeManagerImpl.java:356) at org.apache.accumulo.server.init.Initialize.main(Initialize.java:556) 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:606) at org.apache.accumulo.start.Main$1.run(Main.java:137) at java.lang.Thread.run(Thread.java:744) Thread "init" died java.lang.reflect.InvocationTargetException java.lang.reflect.InvocationTargetException 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:606) at org.apache.accumulo.start.Main$1.run(Main.java:137) at java.lang.Thread.run(Thread.java:744) Caused by: java.lang.RuntimeException: java.io.IOException: viewfs://nn1/ at org.apache.accumulo.server.init.Initialize.main(Initialize.java:569) ... 6 more Caused by: java.io.IOException: viewfs://nn1/ at org.apache.hadoop.fs.viewfs.InodeTree.<init>(InodeTree.java:338) at org.apache.hadoop.fs.viewfs.ViewFileSystem$1.<init>(ViewFileSystem.java:161) at org.apache.hadoop.fs.viewfs.ViewFileSystem.initialize(ViewFileSystem.java:161) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2433) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:88) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2467) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2449) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:367) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:287) at org.apache.accumulo.server.fs.VolumeManagerImpl.get(VolumeManagerImpl.java:356) at org.apache.accumulo.server.init.Initialize.main(Initialize.java:556) ... 6 more