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From "Ying Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FALCON-1984) Provide proper hint and documentation if required graph storage backend is not set in startup.properties
Date Fri, 27 May 2016 23:29:12 GMT

     [ https://issues.apache.org/jira/browse/FALCON-1984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ying Zheng updated FALCON-1984:
-------------------------------
    Description: 
We require the user to choose either HBase or BDB as titan storage backend, which is not set
by default in startup.properties. The current Falcon only shows the following error in the
log if the user doesn't configure the storage backend and start falcon with default startup.properties.
This is not intuitive for the user to understand the server start error. Should provide proper
hint and documentation.

{code}
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
{code}

  was:
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



> Provide proper hint and documentation if required graph storage backend is not set in
startup.properties
> --------------------------------------------------------------------------------------------------------
>
>                 Key: FALCON-1984
>                 URL: https://issues.apache.org/jira/browse/FALCON-1984
>             Project: Falcon
>          Issue Type: Bug
>            Reporter: Ying Zheng
>            Assignee: Ying Zheng
>
> We require the user to choose either HBase or BDB as titan storage backend, which is
not set by default in startup.properties. The current Falcon only shows the following error
in the log if the user doesn't configure the storage backend and start falcon with default
startup.properties. This is not intuitive for the user to understand the server start error.
Should provide proper hint and documentation.
> {code}
> 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
> {code}



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