I think in the Siddhi case, we were going to use the ML REST API. AFAIK CEP extension supports both modes.
On Tue, Jun 16, 2015 at 4:24 PM, Mohanadarshan Vivekanandalingam < [email protected]> wrote: > Hi Suho & all, > > Have we decided on how we are going to run ML related operations in > Storm.. If ML features are required for the ML extension, then what is the > approach to run the ML extension in Siddhi.. > > Thanks, > Mohan > > > On Tue, Jun 16, 2015 at 4:50 AM, Manorama Perera <[email protected]> > wrote: > >> Hi, >> >> Please find the PR[1] to fix the above issue. >> >> [1] https://github.com/wso2/product-cep/pull/110 >> >> Thanks. >> >> On Tue, Jun 16, 2015 at 10:43 AM, Manorama Perera <[email protected]> >> wrote: >> >>> Hi, >>> >>> An exception[1] is thrown at the server startup when ML features are >>> installed in CEP 4.0.0 Alpha. >>> >>> The issue here is, there are two *WSO2ML_DB* datasources are >>> initialized at the server startup when ML features are installed. >>> >>> In [2], *WSO2ML_DB* datasource has been added to the *master-datasources.xml >>> in cep*. >>> But when installing ML features, ml-datasoures.xml file is copied into >>> the repository/conf/datasources. This file also contains WSO2ML_DB >>> datasource. >>> >>> The exception is thrown when the second WSO2ML_DB datasource is >>> initialized. I've commented the WSO2ML_DB from master-datasources.xml, then >>> the exception is not there. >>> >>> [1] >>> [2015-06-16 10:00:24,855] ERROR {org.wso2.carbon.ndatasource. >>> core.internal.DataSourceServiceComponent} - Error in intializing >>> system data sources: Error in initializing system data sources: Error in >>> initializing system data sources at '/home/manorama/Products/CEP/ >>> wso2cep-4.0.0-alpha/repository/conf/datasources/ml-datasources.xml' - >>> System datasource WSO2ML_DBcan not be updated. >>> org.wso2.carbon.ndatasource.common.DataSourceException: Error in >>> initializing system data sources: Error in initializing system data sources >>> at >>> '/home/manorama/Products/CEP/wso2cep-4.0.0-alpha/repository/conf/datasources/ml-datasources.xml' >>> - System datasource WSO2ML_DBcan not be updated. >>> at >>> org.wso2.carbon.ndatasource.core.DataSourceManager.initSystemDataSources(DataSourceManager.java:168) >>> at >>> org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.initSystemDataSources(DataSourceServiceComponent.java:192) >>> at >>> org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.setSecretCallbackHandlerService(DataSourceServiceComponent.java:178) >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> at java.lang.reflect.Method.invoke(Method.java:601) >>> at >>> org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:376) >>> at >>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:430) >>> at >>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:218) >>> at >>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:343) >>> at >>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620) >>> at >>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197) >>> at >>> org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343) >>> at >>> org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222) >>> at >>> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107) >>> at >>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861) >>> at >>> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) >>> at >>> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) >>> at >>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819) >>> at >>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771) >>> at >>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130) >>> at >>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214) >>> at >>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433) >>> at >>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:451) >>> at >>> org.wso2.carbon.securevault.internal.SecretManagerInitializerComponent.activate(SecretManagerInitializerComponent.java:48) >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> at java.lang.reflect.Method.invoke(Method.java:601) >>> at >>> org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260) >>> at >>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146) >>> at >>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:345) >>> at >>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620) >>> at >>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197) >>> at >>> org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:473) >>> at >>> org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:217) >>> at >>> org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:816) >>> at >>> org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:783) >>> at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89) >>> at java.lang.Thread.run(Thread.java:722) >>> Caused by: org.wso2.carbon.ndatasource.common.DataSourceException: Error >>> in initializing system data sources at >>> '/home/manorama/Products/CEP/wso2cep-4.0.0-alpha/repository/conf/datasources/ml-datasources.xml' >>> - System datasource WSO2ML_DBcan not be updated. >>> at >>> org.wso2.carbon.ndatasource.core.DataSourceManager.initSystemDataSource(DataSourceManager.java:188) >>> at >>> org.wso2.carbon.ndatasource.core.DataSourceManager.initSystemDataSources(DataSourceManager.java:164) >>> ... 40 more >>> Caused by: org.wso2.carbon.ndatasource.common.DataSourceException: >>> System datasource WSO2ML_DBcan not be updated. >>> at >>> org.wso2.carbon.ndatasource.core.DataSourceRepository.registerDataSource(DataSourceRepository.java:344) >>> at >>> org.wso2.carbon.ndatasource.core.DataSourceRepository.addDataSource(DataSourceRepository.java:473) >>> at >>> org.wso2.carbon.ndatasource.core.DataSourceManager.initSystemDataSource(DataSourceManager.java:185) >>> ... 41 more >>> >>> [2] >>> https://github.com/wso2/product-cep/commit/355c60e860c2ff555a0b6ec82ef33714aecba932 >>> >>> >>> Thanks. >>> >>> -- >>> Manorama Perera >>> Software Engineer >>> WSO2, Inc.; http://wso2.com/ >>> Mobile : +94716436216 >>> >> >> >> >> -- >> Manorama Perera >> Software Engineer >> WSO2, Inc.; http://wso2.com/ >> Mobile : +94716436216 >> > > > > -- > *V. Mohanadarshan* > *Senior Software Engineer,* > *Data Technologies Team,* > *WSO2, Inc. http://wso2.com <http://wso2.com> * > *lean.enterprise.middleware.* > > email: [email protected] > phone:(+94) 771117673 > -- Thanks & regards, Nirmal Associate Technical Lead - Data Technologies Team, WSO2 Inc. Mobile: +94715779733 Blog: http://nirmalfdo.blogspot.com/
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