[NUTCH-1647] protocol-http throws 'unzipBestEffort returned null' for redirected pages

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.7
• Fix Version/s: 1.9
• Component/s: protocol
• Assignee: Unassigned
• Reporter: Markus Jelsma
• Created: 01/Oct/13 12:03
• Updated: 13/Mar/24 14:51
• Resolved: 13/Jun/14 11:17

Description

bin/nutch indexchecker http://www.provinciegroningen.nl/actueel/dossiers/rwe-centrale

Fetch failed with protocol status: exception(16), lastModified=0: java.io.IOException: unzipBestEffort returned null

2013-10-01 13:44:55,612 INFO  http.Http - http.proxy.host = null
2013-10-01 13:44:55,612 INFO  http.Http - http.proxy.port = 8080
2013-10-01 13:44:55,612 INFO  http.Http - http.timeout = 12000
2013-10-01 13:44:55,612 INFO  http.Http - http.content.limit = 5242880
2013-10-01 13:44:55,612 INFO  http.Http - http.agent = Mozilla/5.0 (compatible; OpenindexSpider; +http://www.openindex.io/en/webmasters/spider.html)
2013-10-01 13:44:55,612 INFO  http.Http - http.accept.language = en-us,en-gb,en;q=0.7,*;q=0.3
2013-10-01 13:44:55,613 INFO  http.Http - http.accept = text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
2013-10-01 13:44:55,925 ERROR http.Http - Failed to get protocol output
java.io.IOException: unzipBestEffort returned null
        at org.apache.nutch.protocol.http.api.HttpBase.processGzipEncoded(HttpBase.java:317)
        at org.apache.nutch.protocol.http.HttpResponse.<init>(HttpResponse.java:164)
        at org.apache.nutch.protocol.http.Http.getResponse(Http.java:64)
        at org.apache.nutch.protocol.http.api.HttpBase.getProtocolOutput(HttpBase.java:140)
        at org.apache.nutch.indexer.IndexingFiltersChecker.run(IndexingFiltersChecker.java:86)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.nutch.indexer.IndexingFiltersChecker.main(IndexingFiltersChecker.java:150)

Haven't got a clue yet as to what the exact issue is.

Issue Links

• is related to: NUTCH-1736 Can't fetch page if http response header contains Transfer-Encoding：chunked
• relates to: NUTCH-1089 short compressed pages caused Exception