Jiwa

Hi Everyone,

I am getting an exception saying "{"ResponseStatus":{"ErrorCode":"Exception","Message":"Plugin 'Custom Plugin Name' caused an exception 'Sequence contains more than one matching element'"}}" on Jiwa "/Queries/SalesOrderList" endpoint.

if I disable that custom plugin and restart the API service then it works and if I re-enable the custom it stop working.

Endpoint: "http://localhost:8090/queries/SalesOrderList.json?Fields=InvoiceId&InvoiceNo=100505&apikey=7_G0vUX0tdRMkNhA2qW4Bm07E3yZEvCwHGNTaIQxDCs"

Can you post the custom plugin?

No, I can't. It is a quite big plugin.

Then I am not sure how you are expecting someone to work out what is wrong if Scott, Mike or I can't replicate the issue, could you provide a cut down plugin that exhibits the same problem?

It could be a conflict introduced by your custom plugin. I'm not sure how things would behave if, for instance, your custom plugin added a route which conflicted with one we already have.

As you're trying the /Queries/SalesOrderList route - check to see if you are adding in your custom plugin the same route, or even a route with the same request class.

Failing that, start commenting out bits in your custom plugin, restart the API and test again until you can isolate the cause.

Also if you can replicate the problem on a machine with Visual Studio installed and can get the debugger up from the configure function with a System.Diagnostics.Debugger.Launch() statement you might find when you make the call Visual studio should jump to the line causing the exception.

SBarnes wrote:Also if you can replicate the problem on a machine with Visual Studio installed and can get the debugger up from the configure function with a System.Diagnostics.Debugger.Launch() statement you might find when you make the call Visual studio should jump to the line causing the exception.

Not occurring locally. I commented complete Configure method even though the whole class but still occurring. I noticed it's occurring sometimes. Sometimes it returns the result.

I moved some parts of the plugin code into a new separate custom plugin also one system settings but, removed that from the main plugin

Try turning on debug mode in the plugin system settings - this should give you the stack trace which might give you a clue.

You could also try something like the below in your configure method which is from the documentation here

Code: Select all


    //Handle Exceptions occurring in Services:

    Apphost.ServiceExceptionHandlers.Add((httpReq, request, exception) => {
        //log your exceptions here

        //return null; //continue with default Error Handling

        //or return your own custom response
        return DtoUtils.CreateErrorResponse(request, exception);
    });

    //Handle Unhandled Exceptions occurring outside of Services
    //E.g. Exceptions during Request binding or in filters:
    AppHost.UncaughtExceptionHandlers.Add((req, res, operationName, ex) => {
         res.Write($"Error: {ex.GetType().Name}: {ex.Message}");
         res.EndRequest(skipHeaders: true);
    });