On Fri, 2014-02-14 at 21:15 +0000, Kiran Chitturi wrote:
> Hi,
>
>
> I am using http client 4.3.2 and I have a few questions.
>
> 1) I am making lot of concurrent requests to a server. When creating
> requests, I want to debug and check which ports are newly created by the
> client. Currently, I can see the ports in netstat as pasted below.
>
> tcp4 0 0 172.16.11.138.7575 172.16.11.138.52014 ESTABLISHED
>
> I enabled the debug logging for MainClientExec class and it gives me the
> below information. Here it does not exactly tell me what is the source port
> that is being used for the connection. How can I use this ? Also, whenever
> MainClientExec prints the below line, does it mean a new connection is
> created with a new port or an existing port is being used ?
>
> 2014-02-14 13:01:01 DEBUG MainClientExec:217 - Opening connection
> {}->http://172.16.11.138:8983
>
Kiran
Please raise a JIRA for this change request. I'll try to include it into
the upcoming 4.3.3 release.
> 2) My code looks like this for creating a http Client. I pass the client to
> SolrJ<https://cwiki.apache.org/confluence/display/solr/Using+SolrJ> which
> uses this client to make requests. SolrJ makes requests to a Solr server.
>
>
> HttpClientBuilder httpBuilder = HttpClientBuilder.create();
>
>
>
> Builder socketConfig = SocketConfig.custom();
>
> socketConfig.setSoReuseAddress(true);
>
>
>
> httpBuilder.setDefaultSocketConfig(socketConfig.build());
>
>
>
> httpBuilder.setMaxConnTotal(100);
>
> httpBuilder.setMaxConnPerRoute(100);
>
>
>
> httpBuilder.disableRedirectHandling();
>
> httpBuilder.useSystemProperties();
>
>
>
> final CloseableHttpClient httpClient = httpBuilder.build();
>
>
> This httpClient created above also throws some exceptions. Can I assume retry
> is successful and does this happen because I enabled socketReuseAddress ?
>
HttpClient should propagate I/O exceptions to the caller which it is
unable to re-try. If your code is not catching any exceptions it should
be safe to assume requests have been successfully re-tried.
Oleg
>
> 2014-02-14 12:53:21,415 - INFO [CloudSolrServer
> ThreadPool-1-thread-59:RetryExec@93] - I/O exception
> (java.net.SocketException) caught when processing request: Address already in
> use
>
> 2014-02-14 12:53:21,443 - INFO [CloudSolrServer
> ThreadPool-1-thread-59:RetryExec@106] - Retrying request
>
> 2014-02-14 12:53:47,299 - INFO [CloudSolrServer
> ThreadPool-1-thread-203:RetryExec@93] - I/O exception
> (java.net.SocketException) caught when processing request: Address already in
> use
>
> 2014-02-14 12:53:47,327 - INFO [CloudSolrServer
> ThreadPool-1-thread-203:RetryExec@106] - Retrying request
>
> 2014-02-14 12:54:24,740 - INFO [CloudSolrServer
> ThreadPool-1-thread-263:RetryExec@93] - I/O exception
> (java.net.SocketException) caught when processing request: Address already in
> use
>
> 2014-02-14 12:54:24,763 - INFO [CloudSolrServer
> ThreadPool-1-thread-263:RetryExec@106] - Retrying request
>
> 2014-02-14 12:54:39,121 - INFO [CloudSolrServer
> ThreadPool-1-thread-142:RetryExec@93] - I/O exception
> (java.net.SocketException) caught when processing request: Address already in
> use
>
> 2014-02-14 12:54:39,157 - INFO [CloudSolrServer
> ThreadPool-1-thread-142:RetryExec@106] - Retrying request
>
>
> Please let me know your suggestions.
>
>
> Many Thanks for your help,
>
> --
> Kiran Chitturi,
> Software Engineer,
> LucidWorks.
> Cell Phone: 540-577-4852
> Office Phone: 650-249-4452
> Email: [email protected]
>
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