Hi,
I'm trying to create a unit test to show that the code we've written
around HC is passing in connection pool parameters correctly. I want
it to try to get an entry from the connection pool when the pool is
already maxed out, and to prove that it will return with a failure
within the time that I sent via setConnectionRequestTimeout.
I set the 'MaxConnTotal' and 'MaxConnPerRoute' both to 1 on the
HttpAsyncClient, then executed two HttpGet methods - the first HttpGet
would be to a server URL that would take 10000ms to return, thus using
up all connections in the pool for 10 seconds. By using
'setConnectionRequestTimeout(100)' in the RequestConfig I would expect
that the second HttpGet would throw a TimeoutException after 100ms.
What happens in practice, though, is that it waits the full 10000ms
before throwing the TimeoutException.
Is this behaviour by design? And, if so, how do I force the second
HttpGet to throw the error after 100ms?
I'm using the following versions:
* httpclient-4.5.3
* httpasyncclient-4.1.3
* httpcore-4.4.6
* httpcore-nio-4.4.6
The code I'm using is:
-------- START CODE --------
CloseableHttpAsyncClient client =
HttpAsyncClients.custom().setMaxConnPerRoute(1)
.setMaxConnTotal(1).build();
client.start();
RequestConfig requestConfig = RequestConfig.custom()
.setConnectionRequestTimeout(100).build();
// Request should take ~10000ms
HttpGet method1 = new HttpGet("http://localhost:"; +
SLOW_SERVER_PORT + "/stuff");
method1.setConfig(requestConfig);
// Request should take ~10ms
HttpGet method2 = new HttpGet("http://localhost:"; +
FAST_SERVER_PORT + "/stuff");
method2.setConfig(requestConfig);
long lStartTimeMillis = System.currentTimeMillis();
Future<HttpResponse> promise1 = client.execute(method1, null);
Future<HttpResponse> promise2 = client.execute(method2, null);
try
{
promise2.get();
fail();
}
catch (Exception e)
{
// Expected
long lElapsedTimeMillis = System.currentTimeMillis() -
lStartTimeMillis;
assertTrue("Took too long to fail", lElapsedTimeMillis < 500);
}
-------- END CODE --------
Thanks in advance,
Michael
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