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POWCF PollingDuplex With High Callback Calls cause Service Too Busy Exception for new Service Subscriptions
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  1. POWCF PollingDuplex With High Callback Calls cause Service Too Busy Exception for new Service Subscriptions
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    copied!<p>I currently trying to build a Duplex WCF Service using PollingDuplex Binding with SilverLight 4.0.</p> <p>My service calls every 1 second few callbacks methods foreach connected clients. However, after 2 client connected, new clients got "Service Located at ... is too busy"</p> <p>My service use this Behavior :</p> <pre><code>[ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)] </code></pre> <p>WCF Binding configuration :</p> <pre><code>&lt;pollingDuplexHttpBinding&gt; &lt;binding name="" maxOutputDelay="00:00:01" serverPollTimeout="00:05:00" inactivityTimeout="02:00:00" duplexMode="MultipleMessagesPerPoll" maxBufferPoolSize="2147483647" maxBufferSize="2147483647" maxReceivedMessageSize="2147483647"&gt; &lt;readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" /&gt; &lt;/binding&gt; &lt;/pollingDuplexHttpBinding&gt; </code></pre> <p>Service Behavior :</p> <pre><code>&lt;behavior name="Push"&gt; &lt;serviceMetadata httpGetEnabled="true"/&gt; &lt;serviceDebug includeExceptionDetailInFaults="true"/&gt; &lt;serviceThrottling maxConcurrentCalls="2147483647" maxConcurrentInstances="2147483647" maxConcurrentSessions="2147483647"/&gt; &lt;/behavior&gt; </code></pre> <p>Service Definition :</p> <pre><code>&lt;services&gt; &lt;service name="PushService" behaviorConfiguration="Push"&gt; &lt;endpoint address="" binding="pollingDuplexHttpBinding" contract="PushService"/&gt; &lt;endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/&gt; &lt;/service&gt; &lt;/services&gt; </code></pre> <p>Any help ? This exception make me crazy !</p>
 

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