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PO
 

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    <p>You might be able to use the decorater pattern to handle exceptions with WCF proxies. If this path is open to you, you can consider something like this set-up which will handle the proxy faulting and re-initialise it for callers. Subsequent exceptions will be thrown up to the caller. </p> <pre><code>//Proxy implements this interface IMyService { void MyMethod(); } //Decorator 1 public class MyServiceProxyRetryingDecorator : IMyService { //This is the real proxy that might be faulted private realProxy = new RealProxy(); public void MyMethod() { ReEstablishProxyIfNecessary(); //now just pass the call to the proxy, if it errors again, //do more handling or let the exception bubble up realProxy.MyMethod(); } private void ReEstablishProxyIfNecessary() { if(realProxy.CommunicationState == CommunicationState.Faulted) { realProxy.Abort(); realProxy = new RealProxy(); } } } </code></pre> <p>An different version of the decorator could have the decorator handling your MessageSecurityException, and re-initialising the real proxy when it is caught:</p> <pre><code>//Decorator 2 public class MyServiceProxyExceptionHandlingDecorator : IMyService { //This is the real proxy that might be faulted private realProxy = new RealProxy(); public void MyMethod() { try {realProxy.MyMethod(); } catch (ExceptionYouAreInterestedIn ex) { ReEstablishProxyIfNecessary(); realProxy.MyMethod(); //do it again } } private void ReEstablishProxyIfNecessary() { if(realProxy.CommunicationState == CommunicationState.Faulted) { realProxy.Abort(); realProxy = new RealProxy(); } } } </code></pre>
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    1. PORenewing a WCF client when SCT has expired?
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    1. USJimmy McNulty
    1. USJimmy McNulty
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    1. COYour pattern will not work. The entire problem is that the "realProxy" only becomes in a faulted state AFTER the call to MyMethod, not before. The question is how to preemtively find out whether the proxy will fail, since the client must obviously know something about its SCT expiration.
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    2. COI'm not sure you can find out that a method will error with the SCT error before you try calling it. I have ammended my post to show how to handle the exception for clients so they don't have to.
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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