getMetrics() does not work for HEAD or other early release methods
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Key: HTTPCORE-253
URL: https://issues.apache.org/jira/browse/HTTPCORE-253
Project: HttpComponents HttpCore
Issue Type: Bug
Reporter: Sebb
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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