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
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