CODEWITHSUNDEEP
phplaravelsoapsoap-clientlumen
Mohammad Mehdi Habibi
Mohammad Mehdi Habibi

Reputation: 1623

Could not connect to host, SoapFault exception after some requests

I am connecting to a webservice to get some data. I have a queue of requests with about 200K jobs and a worker is handling it. Process time is 2-3 calls per second. After about 500-1000 calls, it starts getting SoapFault exception with this message: Could not connect to host. Even when I get this error I am able to ping the webservice server properly.

When I disable soap cache, the problem is still there but the error changes to Parsing WSDL: Couldn't load from 'http://thewebservice.com/method/Service.asmx?WSDL' : failed to load external entity

Connection code:

$client = new SoapClient('http://thewebservice.com/method/Service.asmx?WSDL');
$response = $client->__soapCall('method name', $parameters)

I work with:

Upvotes: 3

Views: 3790

Answers (2)

marcovtwout
marcovtwout

Reputation: 5269

Are you creating a new SoapClient instance for every call? In that case, disabling keep_alive is only a workaround and this could be improved.

SoapClient sends the HTTP Header Connection: Keep-Alive by default (through the constructor option keep_alive). But if you create a new SoapClient instance for every call in your queue, this will create and keep-open a new connection everytime. If the calls are executed fast enough, you will eventually run into a limit of 1000 open connections or so and this results in SoapFault: Could not connect to host.

So make sure you create the SoapClient once and reuse it for subsequent calls.

Upvotes: 1

Mohammad Mehdi Habibi
Mohammad Mehdi Habibi

Reputation: 1623

In my case, the problem was too many open connections at the same time. I fixed it by keep_alive option:

$client = new SoapClient('http://thewebservice.com/method/Service.asmx?WSDL', ['keep_alive' => false]);
$response = $client->__soapCall('method name', $parameters)

Upvotes: 5

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