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https://issues.apache.org/jira/browse/HTTPCORE-195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12710956#action_12710956
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Denis Rogov commented on HTTPCORE-195:
--------------------------------------
Hi.
this issue is fixed only for one case: when chunk truncated is at the last one.
Other chunks truncated will always interrupt data consumption by throwing
exception. Still no option to silently ignore these errors or at least consume
the whole content before throwing exception. Though I'm not sure when this may
be a case. Though, found a critical issue with it I will post separately
(HTTPCORE-197)
> Make it possible to tolerate truncated chunk streams
> ----------------------------------------------------
>
> Key: HTTPCORE-195
> URL: https://issues.apache.org/jira/browse/HTTPCORE-195
> Project: HttpComponents HttpCore
> Issue Type: Improvement
> Components: HttpCore NIO
> Affects Versions: 4.0
> Reporter: Patrick Moore
> Priority: Minor
> Fix For: 4.1
>
> Attachments: chunkValidationDecoupling.patch, HTTPCORE-195.patch
>
>
> Our server is webcrawling.
> We are frequently encountering this issue. We think this might be related to
> something on the server that we are scanning. But that doesn't matter. We
> need to handle such cases without exceptions. (From my perspective, such
> things should generate a debug message -- certainly not an exception that
> ends processing and throws away the retrieved content! )
> http://stuftpizza.com/ seems to reliably result in this problem
> May be TransferEncoding?
> http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.6
> Either way we need to be able to deal with issues on the other servers.
> {{{
> Date Mon, 20 Apr 2009 03:56:45 GMT
> Server Apache/2.2.3 (Red Hat)
> Accept-Ranges bytes
> Connection close
> Transfer-Encoding chunked
> Content-Type text/html
> '''Request Headers'''
> Host stuftpizza.com
> User-Agent Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US;
> rv:1.9.0.8) Gecko/2009032608 Firefox/3.0.8
> Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
> Accept-Language en-us,en;q=0.5
> Accept-Encoding gzip,deflate
> Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7
> Keep-Alive 300
> Connection keep-alive
> Cookie
> __utma=47358053.1237981682.1240199754.1240199754.1240199754.1;
> __utmb=47358053; __utmc=47358053; __utmz
> =47358053.1240199754.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)
> Cache-Control max-age=0
> }}}
> {{{
> 20:51:08,768 INFO [nioEventListener] Request http://stuftpizza.com/ failed
> with exception.
> org.apache.http.MalformedChunkCodingException: Truncated chunk
> at
> org.apache.http.impl.nio.codecs.ChunkDecoder.read(ChunkDecoder.java:203)
> at
> org.apache.http.nio.util.SimpleInputBuffer.consumeContent(SimpleInputBuffer.java:60)
> at
> org.apache.http.nio.entity.BufferingNHttpEntity.consumeContent(BufferingNHttpEntity.java:72)
> at
> org.apache.http.nio.protocol.AsyncNHttpClientHandler.inputReady(AsyncNHttpClientHandler.java:236)
> at
> org.apache.http.nio.protocol.BufferingHttpClientHandler.inputReady(BufferingHttpClientHandler.java:118)
> at
> org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:178)
> at
> org.apache.http.impl.nio.DefaultClientIOEventDispatch.inputReady(DefaultClientIOEventDispatch.java:146)
> at
> com.amplafi.iomanagement.http.UniversalIOEventDispatch.inputReady(UniversalIOEventDispatch.java:133)
> at
> $IOEventDispatch_120c19cd1c7.inputReady($IOEventDispatch_120c19cd1c7.java)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:153)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:314)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:294)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:256)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:96)
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:556)
> at java.lang.Thread.run(Thread.java:637)
> }}}
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