Andy Xue created NUTCH-1385:
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Summary: More robust plug-in order properties in "nutch-site.xml"
Key: NUTCH-1385
URL: https://issues.apache.org/jira/browse/NUTCH-1385
Project: Nutch
Issue Type: Improvement
Components: indexer, parser
Affects Versions: 1.5
Reporter: Andy Xue
Priority: Minor
Attachments: nutch-1385.txt
When listing multiple scoring filters in certain properties (listed below) in
"nutch-site.xml", it is vital that no spaces/newlines/tabs are placed in front
of the value content.
E.g.:
This is fine:
<value>org.apache.nutch.scoring.opic.OPICScoringFilter myFilter</value>
Either of these will generate an exception:
<value> org.apache.nutch.scoring.opic.OPICScoringFilter myFilter</value>
<value>
org.apache.nutch.scoring.opic.OPICScoringFilter
myFilter
</value>
Affects these properties in "nutch-site.xml":
* indexingfilter.order
* urlnormalizer.order
* urlfilter.order
* htmlparsefilter.order
* scoring.filter.order
Solution: replaced 'order.split("\\s+")' to 'order.trim().split("\\s+")'. Patch
provided.
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