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https://issues.apache.org/jira/browse/HTTPCLIENT-1411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13784896#comment-13784896
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Oleg Kalnichevski commented on HTTPCLIENT-1411:
-----------------------------------------------
Hmm. This does not look like a problem with a cookie. In this case the
offending hostname value is taken directly from the execution context. Quite
frankly I am not sure I have any rational explanation how this could happen
other than someone explicitly used a HttpHost value with a blank hostname as a
parameter to HttpClient#execute. For the time being I am just going to
re-assign this bug to HttpCore and add a check for hostname value being blank
to HttpHost.
Oleg
> Http Client may throw an IllegalArgumentException with certain cookies
> ----------------------------------------------------------------------
>
> Key: HTTPCLIENT-1411
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1411
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 4.3 Final
> Reporter: Sebastiano Vigna
> Priority: Minor
>
> During a crawl of the EU web we got this exception:
> 2013-10-03 00:06:16,495 26567121 ERROR [FetchingThread-1927]
> i.u.d.l.b.f.FetchingThread - Unexpected exception
> java.lang.IllegalArgumentException: Host may not be blank
> at org.apache.http.util.Args.notBlank(Args.java:68)
> ~[httpcore.jar:4.3]
> at org.apache.http.cookie.CookieOrigin.<init>(CookieOrigin.java:50)
> ~[httpclient.jar:4.3]
> at
> org.apache.http.client.protocol.RequestAddCookies.process(RequestAddCookies.java:141)
> ~[httpclient.jar:4.3]
> at
> org.apache.http.protocol.ImmutableHttpProcessor.process(ImmutableHttpProcessor.java:131)
> ~[httpcore.jar:4.3]
> at
> org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:192)
> ~[httpclient.jar:4.3]
> at
> org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:85)
> ~[httpclient.jar:4.3]
> at
> org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
> ~[httpclient.jar:4.3]
> at
> org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:186)
> ~[httpclient.jar:4.3]
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
> ~[httpclient.jar:4.3]
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:214)
> ~[httpclient.jar:4.3]
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:185)
> ~[httpclient.jar:4.3]
> at it.unimi.di.law.bubing.util.FetchData.fetch(FetchData.java:308)
> ~[bubing-2.1.jar:na]
> Apparently some poisoned Cookie caused a mistake in the parsing process.
> Unfortunately due to the level of logging we are using we have no way to know
> which Cookie caused the problem, but maybe this rings a bell.
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