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https://issues.apache.org/jira/browse/AXIS2-6009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17397422#comment-17397422
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Robert Lazarski commented on AXIS2-6009:
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For Axis2 clients, do you set an AXIS2_HOME? There is an axis2.xml in the conf
dir, that is used in some clients.
It is possible to set up Axis2 1.7.9 for httpclient 4.x, though I am not %100
sure how that works on the client side.
You want to use:
{{org.apache.axis2.transport.http.impl.httpclient4.HTTPClient4TransportSender}}
Instead of:
{{org.apache.axis2.transport.http.CommonsHTTPTransportSender}}
Make sure you remove all commons httpclient 3.x and use this pom.xml config:
{{<dependency>}}
{{ <groupId>org.apache.httpcomponents</groupId>}}
{{ <artifactId>httpclient</artifactId>}}
{{ <version>4.5.13</version>}}
{{ </dependency>}}
{{ <dependency>}}
{{ <groupId>org.apache.httpcomponents</groupId>}}
{{ <artifactId>httpcore</artifactId>}}
{{ <version>4.4.14</version>}}
{{ </dependency>}}
{{}}
> ServiceClient::createClient intermittently under load blocks for 5 seconds
> --------------------------------------------------------------------------
>
> Key: AXIS2-6009
> URL: https://issues.apache.org/jira/browse/AXIS2-6009
> Project: Axis2
> Issue Type: Bug
> Affects Versions: 1.7.9
> Reporter: Eoghan O'Hare
> Priority: Major
> Attachments: ExceptionStackTrace.txt, axis2client.7z
>
>
> Using the axis2-kernel-1.7.9.jar.
> Our application is using automatically generated WS stubs for asynchronous
> SOAP web services over https.
> ServiceClient::createClient is called for every asynchronous web service
> request.
> Callbacks are registered using OperationClient::setCallback().
> The non blocking web service request is sent by the API
> OperationClient::execute(false).
> The option isUseSeparateListener is set to false.
> The default number of http connections are created, this is two from looking
> at pcap traces.
> Under low load rates, 20 requests per second, 1000 total requests,
> intermittently the call to ServiceClient::createClient blocks the calling
> thread for 5 seconds. Seems to be just over 5 seconds every time it occurs
> (between 5000ms and 5030ms), so it sounds like some timeout.
> The blocking seems to occur when a response to a previous web service is
> received at a similar time.
> After the 5 second blocking, an Exception is thrown from axis2 to our
> applications error callback. Exception stack trace is attached.
> I have tried to enable axis2 logging on the client side however there was
> nothing obvious in it from my point of view. Attaching the log. In the log
> the 5 second delay is between;
> 06:47:50:574
> 06:47:55:579
> If you require additional logging to be enabled to debug please let me know.
> Or if you need any further information, please let me know.
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