Hi Fazlan, IMO we need to also mention this in the ML migration doc from 1.0.0 to 1.1.0.
Regards, Nira On Thu, Feb 18, 2016 at 12:22 PM, Fazlan Nazeem <fazl...@wso2.com> wrote: > Hi Tishan, > > This is an expected behaviour since we have changed the model classes in > ML 1.1.0. > > @Rukshani can you please document this under [1]. > > [1] > https://docs.wso2.com/display/ML110/WSO2+CEP+Extension+for+ML+Predictions > > On Thu, Feb 18, 2016 at 12:12 PM, Tishan Dahanayakage <tis...@wso2.com> > wrote: > >> Hi all, >> >> ML models built with ML 1.0.0 is not compatible with ML 1.1.0. If we try >> to use a model build with 1.0.0 against ML 1.1.0 features following >> exception is generated. Came across this when testing ML extension for CEP. >> >> >> org.wso2.carbon.event.processor.core.exception.ExecutionPlanConfigurationException: >> org.wso2.siddhi.core.exception.ExecutionPlanCreationException: Error while >> retrieving ML-model : >> registry:/_system/governance/2.Model.2015-12-22_19-47-59 >> org.wso2.carbon.ml.core.spark.models.MLGeneralizedLinearModel; local >> class incompatible: stream classdesc serialVersionUID = >> -1410218250358516850, local class serialVersionUID = 8020448562088344988 in >> execution plan "ExecutionPlanML" >> at >> org.wso2.carbon.event.processor.core.internal.util.helper.EventProcessorHelper.validateExecutionPlan(EventProcessorHelper.java:193) >> ... >> Caused by: org.wso2.siddhi.core.exception.ExecutionPlanCreationException: >> Error while retrieving ML-model : >> registry:/_system/governance/2.Model.2015-12-22_19-47-59 >> org.wso2.carbon.ml.core.spark.models.MLGeneralizedLinearModel; local >> class incompatible: stream classdesc serialVersionUID = >> -1410218250358516850, local class serialVersionUID = 8020448562088344988 >> at >> org.wso2.carbon.ml.siddhi.extension.PredictStreamProcessor.logError(PredictStreamProcessor.java:350) >> at >> org.wso2.carbon.ml.siddhi.extension.PredictStreamProcessor.init(PredictStreamProcessor.java:187) >> ... 82 more >> >> Is this expected behavior? If so I think we need to mention that models >> are not backward compatible in docs. >> >> >> -- >> Tishan Dahanayakage >> Software Engineer >> WSO2, Inc. >> Mobile:+94 716481328 >> >> Disclaimer: This communication may contain privileged or other >> confidential information and is intended exclusively for the addressee/s. >> If you are not the intended recipient/s, or believe that you may have >> received this communication in error, please reply to the sender indicating >> that fact and delete the copy you received and in addition, you should not >> print, copy, re-transmit, disseminate, or otherwise use the information >> contained in this communication. Internet communications cannot be >> guaranteed to be timely, secure, error or virus-free. The sender does not >> accept liability for any errors or omissions. >> >> _______________________________________________ >> Dev mailing list >> Dev@wso2.org >> http://wso2.org/cgi-bin/mailman/listinfo/dev >> >> > > > -- > Thanks & Regards, > > Fazlan Nazeem > > *Software Engineer* > > *WSO2 Inc* > Mobile : +94772338839 > <%2B94%20%280%29%20773%20451194> > fazl...@wso2.com > > _______________________________________________ > Dev mailing list > Dev@wso2.org > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- *Niranjan Karunanandham* Senior Software Engineer - WSO2 Inc. WSO2 Inc.: http://www.wso2.com
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