Hi Supun, That was the issue. I added dataType attribute and specified it as "double" in the OutputField and was able to fix the issue. This PMML model was handed over to us by a customer who used the PMML package in R. I wonder why the attribute went missing.
Thank you for the help. On Fri, Dec 4, 2015 at 2:25 PM, Supun Sethunga <sup...@wso2.com> wrote: > Can you try putting a debug point to [1] and see what is null? looks like > evaluator.getOutputField(field).getDataType()resolve to null. > > And in the PMML model: > > <Output> > <OutputField name="Predicted_ResponseAccountName" > feature="predictedValue"/> > </Output> > > Doesn't seems to have a dataType attribute. Probably thats the issue.. > > [1] > https://github.com/wso2-gpl/siddhi/blob/master/siddhi-extensions/pmml/src/main/java/org/wso2/siddhi/gpl/extension/pmml/PmmlModelProcessor.java#L145 > > > Regards, > Supun > > On Fri, Dec 4, 2015 at 2:12 PM, Fazlan Nazeem <fazl...@wso2.com> wrote: > >> Hi, >> >> I am in the process of using a PMML model in CEP to predict using an >> event stream. I have written a sample execution plan to do it, but when >> validating the plan, a null pointer exception is thrown[1]. (Siddhi PMML >> extension is installed) >> >> >> @Import('inputStream:1.0.0') >> define stream inputStream (RegionCat string, TitleCat string, RLMaxTitle >> string, Act1_rate double, Act2_rate double, Act3_rate double, Act4_rate >> double, Act5_rate double, Act6_rate double); >> >> >> @Export('outStream:1.0.0') >> define stream outStream (RegionCat string, TitleCat string, RLMaxTitle >> string, Act1_rate double, Act2_rate double, Act3_rate double, Act4_rate >> double, Act5_rate double, Act6_rate double, ResponseAccountName double); >> >> from inputStream#pmml:predict('/home/fazlann/Downloads/logistic.pmml') >> select * >> insert into outStream; >> >> >> Any idea on what's the issue? >> >> >> >> [1]http://pastie.org/10605829 <http://pastie.org/10605815> >> [2] PMML Model <http://pastie.org/10605821> >> -- >> Thanks & Regards, >> >> Fazlan Nazeem >> >> *Software Engineer* >> >> *WSO2 Inc* >> Mobile : +94772338839 >> <%2B94%20%280%29%20773%20451194> >> fazl...@wso2.com >> > > > > -- > *Supun Sethunga* > Software Engineer > WSO2, Inc. > http://wso2.com/ > lean | enterprise | middleware > Mobile : +94 716546324 > -- Thanks & Regards, Fazlan Nazeem *Software Engineer* *WSO2 Inc* Mobile : +94772338839 <%2B94%20%280%29%20773%20451194> fazl...@wso2.com
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