Hi NIranjan, Yes, but currently we do not have a migration guide for ML. The changes needed were minimal and hence was decided not to include a migration guide.
On Thu, Feb 18, 2016 at 12:27 PM, Niranjan Karunanandham <niran...@wso2.com> wrote: > 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 > -- Thanks & Regards, Fazlan Nazeem *Software Engineer* *WSO2 Inc* Mobile : +94772338839 <%2B94%20%280%29%20773%20451194> fazl...@wso2.com
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