[jira] [Created] (FALCON-1984) Can't start Falcon with default startup.properties (Need to set configuration value: root.storage.backend)

["Ying Zheng (JIRA)" <ji...@apache.org>]

Ying Zheng created FALCON-1984:
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             Summary: Can't start Falcon with default startup.properties (Need to set configuration value: root.storage.backend)
                 Key: FALCON-1984
                 URL: https://issues.apache.org/jira/browse/FALCON-1984
             Project: Falcon
          Issue Type: Bug
            Reporter: Ying Zheng


Can't start Falcon with default startup.properties. Need to set configuration value: root.storage.backend. See error details below.

2016-05-26 02:24:07,419 ERROR - [main:] ~ Failed to initialize service org.apache.falcon.metadata.MetadataMappingService (ServiceInitializer:49)
java.lang.RuntimeException: GraphFactory could not instantiate this Graph implementation [com.thinkaurelius.titan.core.TitanFactory].
	at com.tinkerpop.blueprints.GraphFactory.open(GraphFactory.java:50)
	at org.apache.falcon.metadata.MetadataMappingService.initializeGraphDB(MetadataMappingService.java:123)
	at org.apache.falcon.metadata.MetadataMappingService.init(MetadataMappingService.java:90)
	at org.apache.falcon.service.ServiceInitializer.initialize(ServiceInitializer.java:47)
	at org.apache.falcon.listener.ContextStartupListener.contextInitialized(ContextStartupListener.java:56)
	at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:550)
	at org.mortbay.jetty.servlet.Context.startContext(Context.java:136)
	at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282)
	at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:519)
	at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
	at org.mortbay.jetty.Server.doStart(Server.java:224)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
	at org.apache.falcon.util.EmbeddedServer.start(EmbeddedServer.java:57)
	at org.apache.falcon.FalconServer.main(FalconServer.java:118)
Caused by: java.lang.reflect.InvocationTargetException
	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:606)
	at com.tinkerpop.blueprints.GraphFactory.open(GraphFactory.java:45)
	... 15 more
Caused by: java.lang.IllegalStateException: Need to set configuration value: root.storage.backend
	at com.google.common.base.Preconditions.checkState(Preconditions.java:172)
	at com.thinkaurelius.titan.diskstorage.configuration.ConfigOption.get(ConfigOption.java:158)
	at com.thinkaurelius.titan.diskstorage.configuration.BasicConfiguration.get(BasicConfiguration.java:56)
	at com.thinkaurelius.titan.diskstorage.Backend.getStorageManager(Backend.java:361)
	at com.thinkaurelius.titan.graphdb.configuration.GraphDatabaseConfiguration.<init>(GraphDatabaseConfiguration.java:1275)
	at com.thinkaurelius.titan.core.TitanFactory.open(TitanFactory.java:93)
	at com.thinkaurelius.titan.core.TitanFactory.open(TitanFactory.java:73)
	... 20 more




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