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From Doğacan Güney (JIRA) <j...@apache.org>
Subject [jira] Created: (NUTCH-406) Metadata tries to write null values
Date Thu, 23 Nov 2006 13:27:04 GMT
Metadata tries to write null values
-----------------------------------

                 Key: NUTCH-406
                 URL: http://issues.apache.org/jira/browse/NUTCH-406
             Project: Nutch
          Issue Type: Bug
    Affects Versions: 0.9.0
            Reporter: Doğacan Güney


During parsing, some urls (especially pdfs, it seems) may create <some_key, null> pairs
in ParseData's parseMeta. 
When Metadata.write() tries to write such a pair, it causes an NPE.

Stack trace will be something like this:
        at org.apache.hadoop.io.Text.encode(Text.java:373)
        at org.apache.hadoop.io.Text.encode(Text.java:354)
        at org.apache.hadoop.io.Text.writeString(Text.java:394)
        at org.apache.nutch.metadata.Metadata.write(Metadata.java:214)


I can consistently reproduce this using the following url:
http://www.efesbev.com/corporate_governance/pdf/MergerAgreement.pdf

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