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From "Sebb (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (HTTPCLIENT-1081) getMetrics() does not work for HEAD or other early release methods
Date Mon, 18 Jul 2016 20:33:20 GMT

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-1081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sebb updated HTTPCLIENT-1081:
-----------------------------
    Comment: was deleted

(was: Pattern IS thread-safe according to the class Javadoc [1]
However Matcher is not.

[1] https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html)

> getMetrics() does not work for HEAD or other early release methods
> ------------------------------------------------------------------
>
>                 Key: HTTPCLIENT-1081
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1081
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>            Reporter: Sebb
>             Fix For: 5.0
>
>
> The following code works fine for GET:
>            HttpResponse httpResponse =
> httpClient.execute(httpRequest, localContext);
>            HttpConnection conn = (HttpConnection)
> localContext.getAttribute(ExecutionContext.HTTP_CONNECTION);
>            HttpConnectionMetrics metrics = conn.getMetrics();
> but fails on the getMetrics() call when the request is HEAD:
>        org.apache.http.impl.conn.ConnectionShutdownException
>        at org.apache.http.impl.conn.AbstractClientConnAdapter.assertValid(AbstractClientConnAdapter.java:154)
>        at org.apache.http.impl.conn.AbstractClientConnAdapter.getMetrics(AbstractClientConnAdapter.java:190)
> This is because the getMetrics() method calls assertValid() which checks that the connection
has not been released, and the HEAD request is released as soon as it completes, before returning
to the caller.
> Possible solutions:
> - don't call assertValid() in getMetrics()
> - store a pointer to the metrics in the local context



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