harsha vardhan sai T created HTTPCLIENT-2306:
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Summary: What is different in PoolingHttpClientConnectionManager
from MultiThreadedHttpConnectionManager?
Key: HTTPCLIENT-2306
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2306
Project: HttpComponents HttpClient
Issue Type: Bug
Components: Documentation, HttpClient (classic)
Affects Versions: 4.5.13
Reporter: harsha vardhan sai T
I would like to learn what is different in the new
PoolingHttpClientConnectionManager from MultiThreadedHttpConnectionManager.
I migrated the existing code to the new connection manager by following some
migration guides. According to documentations
PoolingHttpClientConnectionManager is the replacement of
MultiThreadedHttpConnectionManager. Everything works fine but some times
depending on the application usage I get
org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for
connection from pool
According to
[https://hc.apache.org/httpclient-legacy/apidocs/constant-values.html#org.apache.commons.httpclient.MultiThreadedHttpConnectionManager.DEFAULT_MAX_TOTAL_CONNECTIONS]
previously the default max total connections were 20 and max per host was 2.
We did not set these values too hence I expect these values were in previosuly.
But with the new connection manager I set it to 100 as maxtotal and 50 as
maxperroute. I still see the exception coming in and be there until I restart.
Did the old connection manager have limits on max total connections and this is
different or there is something else that has changed?
Could some one please help me understand?
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