[IGNITE-4862] NPE in reading data from IGFS

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.9
• Fix Version/s: 2.4
• Component/s: hadoop
• Assignee: Ilya Kasnacheev
• Reporter: Dmitry Karachentsev
• Created: 24/Mar/17 13:15
• Updated: 18/Dec/17 12:58
• Resolved: 18/Dec/17 12:58

Description

D:\app\CodexRT.CodexRT_20170314-1>hadoop\bin\hadoop fs -copyToLocal igfs:///cacheLink/test3.orc D:\test3.orc
-copyToLocal: Fatal internal error
java.lang.NullPointerException
        at org.apache.ignite.internal.processors.hadoop.impl.igfs.HadoopIgfsInputStream$FetchBufferPart.flatten(HadoopIgfsInputStream.java:458)
        at org.apache.ignite.internal.processors.hadoop.impl.igfs.HadoopIgfsInputStream$DoubleFetchBuffer.flatten(HadoopIgfsInputStream.java:511)
        at org.apache.ignite.internal.processors.hadoop.impl.igfs.HadoopIgfsInputStream.read(HadoopIgfsInputStream.java:177)
        at java.io.DataInputStream.read(DataInputStream.java:100)
        at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:91)
        at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:59)
        at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:119)
        at org.apache.hadoop.fs.shell.CommandWithDestination$TargetFileSystem.writeStreamToFile(CommandWithDestination.java:466)
        at org.apache.hadoop.fs.shell.CommandWithDestination.copyStreamToTarget(CommandWithDestination.java:391)
        at org.apache.hadoop.fs.shell.CommandWithDestination.copyFileToTarget(CommandWithDestination.java:328)
        at org.apache.hadoop.fs.shell.CommandWithDestination.processPath(CommandWithDestination.java:263)
        at org.apache.hadoop.fs.shell.CommandWithDestination.processPath(CommandWithDestination.java:248)
        at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:317)
        at org.apache.hadoop.fs.shell.Command.processPathArgument(Command.java:289)
        at org.apache.hadoop.fs.shell.CommandWithDestination.processPathArgument(CommandWithDestination.java:243)
        at org.apache.hadoop.fs.shell.Command.processArgument(Command.java:271)
        at org.apache.hadoop.fs.shell.Command.processArguments(Command.java:255)
        at org.apache.hadoop.fs.shell.CommandWithDestination.processArguments(CommandWithDestination.java:220)
        at org.apache.hadoop.fs.shell.Command.processRawArguments(Command.java:201)
        at org.apache.hadoop.fs.shell.Command.run(Command.java:165)
        at org.apache.hadoop.fs.FsShell.run(FsShell.java:287)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
        at org.apache.hadoop.fs.FsShell.main(FsShell.java:340)

Details in discussion: http://apache-ignite-users.70518.x6.nabble.com/NullPointerException-when-using-IGFS-td11328.html