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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-201) hadoop dfs -report throws exception
Date Mon, 08 May 2006 18:24:21 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-201?page=all ]
     
Doug Cutting resolved HADOOP-201:
---------------------------------

    Fix Version: 0.2.1
     Resolution: Fixed
      Assign To: Doug Cutting

I just committed a fix for this.  It will be in the 0.2.1 bugfix release later this week.

> hadoop dfs -report throws exception
> -----------------------------------
>
>          Key: HADOOP-201
>          URL: http://issues.apache.org/jira/browse/HADOOP-201
>      Project: Hadoop
>         Type: Bug

>   Components: dfs
>     Versions: 0.2
>  Environment: linux, jdk 1.5
>     Reporter: Johan Oskarson
>     Assignee: Doug Cutting
>     Priority: Minor
>      Fix For: 0.2.1

>
> Running hadoop dfs -report throws the lovely exception below.
> Changing org.apache.hadoop.dfs.DatanodeInfo back to being a public class solves the problem.
> ~/hadoop$ bin/hadoop dfs -report
> 060508 104801 parsing file:/home/hadoop/hadoop/conf/hadoop-default.xml
> 060508 104801 parsing file:/home/hadoop/hadoop/conf/hadoop-site.xml
> 060508 104801 No FS indicated, using default:xxx:9000
> 060508 104801 Client connection to 10.0.0.12:9000: starting
> Total raw bytes: 2763338170368 (2573.55 Gb)
> Used raw bytes: 1548564473694 (1442.21 Gb)
> % used: 56.03%
> Total effective bytes: 145953744375 (135.93 Gb)
> Effective replication multiplier: 10.609967427182013
> -------------------------------------------------
> 060508 104801 Client connection to 10.0.0.12:9000 caught: java.lang.RuntimeException:
java.lang.IllegalAccessException: Class org.apache.hadoop.io.WritableFactories can not access
a member of class org.apache.hadoop.dfs.DatanodeInfo with modifiers "public"
> java.lang.RuntimeException: java.lang.IllegalAccessException: Class org.apache.hadoop.io.WritableFactories
can not access a member of class org.apache.hadoop.dfs.DatanodeInfo with modifiers "public"
>         at org.apache.hadoop.io.WritableFactories.newInstance(WritableFactories.java:49)
>         at org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:226)
>         at org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:163)
>         at org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:211)
>         at org.apache.hadoop.io.ObjectWritable.readFields(ObjectWritable.java:60)
>         at org.apache.hadoop.ipc.Client$Connection.run(Client.java:170)
> Caused by: java.lang.IllegalAccessException: Class org.apache.hadoop.io.WritableFactories
can not access a member of class org.apache.hadoop.dfs.DatanodeInfo with modifiers "public"
>         at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
>         at java.lang.Class.newInstance0(Class.java:344)
>         at java.lang.Class.newInstance(Class.java:303)
>         at org.apache.hadoop.io.WritableFactories.newInstance(WritableFactories.java:45)
>         ... 5 more
> 060508 104801 Client connection to 10.0.0.12:9000: closing

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