Hi All, I am getting the following error log at the cep start up. Can anyone help me in this issue?
[*2015-06-02 18:19:35,848] ERROR - {SiddhiExtensionLoader} Cannot load Siddhi extension * *[2015-06-02 18:19:35,878] ERROR - {EventProcessorDeployer} Execution plan is not deployed and in inactive state : SecondDerivativeOfHealthRequest.xml* *org.wso2.carbon.event.processor.core.exception.ExecutionPlanConfigurationException: Invalid query specified, No extension exist for OutputAttributeExtension{extensionName='stratos', functionName='concat', rename='health_second_der_cluster_network'}* Thanks in adavance. *T. Pranavan* *BSc Eng Undergraduate| Department of Computer Science & Engineering ,University of Moratuwa* *Mobile| *0775136836