[jira] [Updated] (NUTCH-1509) Implement read/write in NutchField

["Markus Jelsma (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NUTCH-1509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Markus Jelsma updated NUTCH-1509:
---------------------------------

    Attachment: NUTCH-1509-1.7-1.patch

First patch. I'm getting a nasty NPE when reading an Object. I've made Writables before and have up to now no idea what i'm doing wrong.

{code}
java.lang.NullPointerException
        at org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:183)
        at org.apache.hadoop.io.ObjectWritable.readFields(ObjectWritable.java:66)
        at org.apache.nutch.indexer.NutchField.readFields(NutchField.java:80)
        at org.apache.nutch.indexer.NutchDocument.readFields(NutchDocument.java:112)
        at org.apache.nutch.indexer.NutchIndexAction.readFields(NutchIndexAction.java:50)
        at org.apache.nutch.util.GenericWritableConfigurable.readFields(GenericWritableConfigurable.java:54)
        at org.apache.hadoop.io.serializer.WritableSerialization$WritableDeserializer.deserialize(WritableSerialization.java:67)
        at org.apache.hadoop.io.serializer.WritableSerialization$WritableDeserializer.deserialize(WritableSerialization.java:40)
        at org.apache.hadoop.mapred.Task$ValuesIterator.readNextValue(Task.java:1282)
        at org.apache.hadoop.mapred.Task$ValuesIterator.next(Task.java:1222)
        at org.apache.hadoop.mapred.ReduceTask$ReduceValuesIterator.moveToNext(ReduceTask.java:250)
        at org.apache.hadoop.mapred.ReduceTask$ReduceValuesIterator.next(ReduceTask.java:246)
        at org.apache.hadoop.mapred.lib.IdentityReducer.reduce(IdentityReducer.java:40)
        at org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:520)
        at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:421)
        at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:260)
{code}

Any ideas?
                
> Implement read/write in NutchField
> ----------------------------------
>
>                 Key: NUTCH-1509
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1509
>             Project: Nutch
>          Issue Type: Bug
>          Components: indexer
>    Affects Versions: 1.6
>            Reporter: Markus Jelsma
>            Assignee: Markus Jelsma
>             Fix For: 1.7
>
>         Attachments: NUTCH-1509-1.7-1.patch
>
>
> For some reason write() and readFields() in NutchField have not been implemented. Never assumed this could be true i wasted 30 minutes in finding out ;)

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