Siddhi App fails to deploy due to extensions not loading with -Dapps argument about distribution HOT 2 CLOSED

[2019-09-18 06:23:26,123]  WARN {io.siddhi.distribution.core.internal.StreamProcessorDeployer} - Siddhi App HelloWorldApp.siddhi deployment held back due to Error on 'HelloWorldApp' @ Line: 4. Position: 85, near '@source(type = 'http', receiver.url = "http://0.0.0.0:8006/cargo", @map(type='json'))'. No extension exist for sourceMapper:json. Retry deployment will activate soon
[2019-09-18 06:23:26,713]  INFO {org.wso2.msf4j.internal.MicroservicesServerSC} - All microservices are available
[2019-09-18 06:23:26,811]  INFO {org.wso2.transport.http.netty.contractimpl.listener.ServerConnectorBootstrap$HttpServerConnector} - HTTP(S) Interface starting on host 0.0.0.0 and port 9090
[2019-09-18 06:23:26,811]  INFO {org.wso2.transport.http.netty.contractimpl.listener.ServerConnectorBootstrap$HttpServerConnector} - HTTP(S) Interface starting on host 0.0.0.0 and port 9443
[2019-09-18 06:23:26,817]  INFO {org.wso2.carbon.kernel.internal.CarbonStartupHandler} - Siddhi Runner Distribution started in 9.132 sec

osgi> 
osgi> [2019-09-18 06:23:56,582] ERROR {io.siddhi.distribution.core.internal.ServiceComponent} - Error occurred in the retry app deployment task for Siddhi App HelloWorldApp.siddhi io.siddhi.core.exception.SiddhiAppCreationException: Error on 'HelloWorldApp' @ Line: 4. Position: 85, near '@source(type = 'http', receiver.url = "http://0.0.0.0:8006/cargo", @map(type='json'))'. No extension exist for sourceMapper:json
	at io.siddhi.core.util.SiddhiClassLoader.loadExtensionImplementation(SiddhiClassLoader.java:45)
	at io.siddhi.core.util.parser.helper.DefinitionParserHelper.addEventSource(DefinitionParserHelper.java:354)
	at io.siddhi.core.util.SiddhiAppRuntimeBuilder.defineStream(SiddhiAppRuntimeBuilder.java:117)
	at io.siddhi.core.util.parser.SiddhiAppParser.defineStreamDefinitions(SiddhiAppParser.java:374)
	at io.siddhi.core.util.parser.SiddhiAppParser.parse(SiddhiAppParser.java:230)
	at io.siddhi.core.SiddhiManager.createSiddhiAppRuntime(SiddhiManager.java:85)
	at io.siddhi.core.SiddhiManager.createSiddhiAppRuntime(SiddhiManager.java:95)
	at io.siddhi.distribution.core.internal.StreamProcessorService.deploySiddhiApp(StreamProcessorService.java:69)
	at io.siddhi.distribution.core.internal.ServiceComponent$RetrySiddhiAppDeployment.run(ServiceComponent.java:374)