Hello Nicholas,

Your IP might be blocked, or the firewall just drops the connection due to your 
User-Agent name. We have no problems fetching this host.

Regards,
Markus

 
 
-----Original message-----
> From:Nicholas Roberts <niccolo.robe...@gmail.com>
> Sent: Wednesday 14th November 2018 7:58
> To: user@nutch.apache.org
> Subject: Wordpress.com hosted sites fail 
> org.apache.commons.httpclient.NoHttpResponseException
> 
> hi
> 
> I am setting up a new crawler with Nutch 1.15 and am having problems only
> with Wordpress.com hosted sites
> 
> I can crawl other https sites no problems
> 
> Wordpress sites can be crawled on other hosts, but I think there is a
> problem with the SSL certs at Wordpress.com
> 
> I get this error
> 
> FetcherThread 43 fetch of https://whatdavidread.ca/ failed with:
> org.apache.commons.httpclient.NoHttpResponseException: The server
> whatdavidread.ca failed to respond
> FetcherThread 43 has no more work available
> 
> there seems to be two layers of SSL certs
> 
> first there is a Letsencrypt cert, with many domains, including the one
> above, and the tls.auttomatic.com domain
> 
> then, underlying the Lets Encrypt cert, there is a *.wordpress.com cert
> from Comodo
> 
> Certificate chain
>  0 s:/OU=Domain Control Validated/OU=EssentialSSL Wildcard/CN=*.
> wordpress.com
>    i:/C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=COMODO
> RSA Domain Validation Secure Server CA
> 
> I can crawl other https sites no problems
> 
> I have tried the NUTCH_OPTS=($NUTCH_OPTS -Dhadoop.log.dir="$NUTCH_LOG_DIR"
> -Djsse.enableSNIExtension=false) and no joy
> 
> my nutch-site.xml
> 
> <property>
>   <name>plugin.includes</name>
> 
> <value>protocol-http|protocol-httpclient|urlfilter-(regex|validator)|parse-(html|tika)|index-(basic|anchor)|indexer-solr|scoring-opic|urlnormalizer-(pass|regex|basic)|urlfilter-domainblacklist</value>
>   <description>
>   </description>
> </property>
> 
> 
> thanks for the consideration
> -- 
> Nicholas Roberts
> www.niccolox.org
> 

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