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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1081) getMetrics() does not work for HEAD or other early release methods
Date Mon, 18 Jul 2016 17:41:20 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15382680#comment-15382680
] 

ASF GitHub Bot commented on HTTPCLIENT-1081:
--------------------------------------------

Github user sebbASF commented on a diff in the pull request:

    https://github.com/apache/jmeter/pull/216#discussion_r71193100
  
    --- Diff: src/protocol/http/org/apache/jmeter/protocol/http/sampler/HTTPHC4Impl.java ---
    @@ -147,6 +148,8 @@
         private static final int TIME_TO_LIVE = JMeterUtils.getPropDefault("httpclient4.time_to_live",
2000);
     
         private static final String CONTEXT_METRICS = "jmeter_metrics"; // TODO hack for
metrics related to HTTPCLIENT-1081, to be removed later
    +    
    +    private static final Pattern PORT_PATTERN = Pattern.compile("^\\d+$");
     
    --- End diff --
    
    Does not need anchors


> 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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