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Subject [GitHub] [hadoop] elek opened a new pull request #604: HDDS-1259. OzoneFS classpath separation is broken by the token validation
Date Thu, 14 Mar 2019 14:13:55 GMT
elek opened a new pull request #604: HDDS-1259. OzoneFS classpath separation is broken by the
token validation
URL: https://github.com/apache/hadoop/pull/604
 
 
   hadoop-ozone-filesystem-lib-legacy-0.4.0-SNAPSHOT.jar can't work any more together with
older hadoop version, after the change of HDDS-1183.
   
   {code}
   2019-03-13 13:48:51 WARN  FileSystem:3170 - Cannot load filesystem: java.util.ServiceConfigurationError:
org.apache.hadoop.fs.FileSystem: Provider org.apache.hadoop.fs.ozone.OzoneFileSystem could
not be instantiated
   2019-03-13 13:48:51 WARN  FileSystem:3174 - java.lang.NoClassDefFoundError: org/apache/hadoop/hdds/conf/OzoneConfiguration
   2019-03-13 13:48:51 WARN  FileSystem:3174 - java.lang.ClassNotFoundException: org.apache.hadoop.hdds.conf.OzoneConfiguration
   Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/hdds/conf/OzoneConfiguration
   	at java.lang.Class.forName0(Native Method)
   	at java.lang.Class.forName(Class.java:348)
   	at org.apache.hadoop.conf.Configuration.getClassByNameOrNull(Configuration.java:2332)
   	at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:2297)
   	at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2393)
   	at org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:3208)
   	at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3240)
   	at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:121)
   	at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3291)
   	at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3259)
   	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:470)
   	at org.apache.hadoop.fs.Path.getFileSystem(Path.java:356)
   	at org.apache.hadoop.fs.shell.PathData.expandAsGlob(PathData.java:325)
   	at org.apache.hadoop.fs.shell.Command.expandArgument(Command.java:245)
   	at org.apache.hadoop.fs.shell.Command.expandArguments(Command.java:228)
   	at org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:103)
   	at org.apache.hadoop.fs.shell.Command.run(Command.java:175)
   	at org.apache.hadoop.fs.FsShell.run(FsShell.java:315)
   	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
   	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
   	at org.apache.hadoop.fs.FsShell.main(FsShell.java:378)
   Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.hdds.conf.OzoneConfiguration
   	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
   	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
   	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
   	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
   	... 21 more
   {code}
   
   And Ozone file system current jar is compatible only with hadoop 3.2 after the latest HA
change. It means that ozonefs is broken everywhere where the hadoop version is older than
3.2.
   
   See: https://issues.apache.org/jira/browse/HDDS-1259

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