mprior10 opened a new issue #6759: Unknown provider[mysql] of 
Key[type=org.apache.druid.metadata.MetadataStorageProvider,
URL: https://github.com/apache/incubator-druid/issues/6759
 
 
   I'm testing apache-druid-0.13.0-incubating, and using the Quickstart tutorial
   
    ./supervise -c ../quickstart/tutorial/conf/tutorial-cluster.conf
   
   In "quickstart/tutorial/conf/druid/_common/common.runtime.properties" I set 
druid.extensions.loadList=["mysql-metadata-storage", "druid-hdfs-storage", 
"druid-kafka-indexing-service"]
   and configure the mysql settings, server, port etc. The mysql jar files 
exist in druid/extensions/mysql-metadata-storage and in druid/lib. I can see in 
the error log that the jar files are in the classpath. This is the error on 
startup (full log attached)
   
   2018-12-19T18:16:03,439 ERROR [main] org.apache.druid.cli.CliCoordinator - 
Error when starting up.  Failing.
   com.google.inject.ProvisionException: Unable to provision, see the following 
errors:
   
   1) Unknown provider[mysql] of 
Key[type=org.apache.druid.metadata.MetadataStorageProvider, annotation=[none]], 
known options[[derby]]
     at 
org.apache.druid.guice.PolyBind.createChoiceWithDefault(PolyBind.java:108) (via 
modules: com.google.inject.util.Modules$OverrideModule -> 
com.google.inject.util.Modules$OverrideModule -> 
org.apache.druid.metadata.storage.derby.DerbyMetadataStorageDruidModule)
     while locating org.apache.druid.metadata.MetadataStorageProvider
     while locating org.apache.druid.metadata.MetadataStorage
   
   1 error
           at 
com.google.inject.internal.InjectorImpl$2.get(InjectorImpl.java:1028) 
~[guice-4.1.0.jar:?]
           at com.google.inject.internal.Inje
   
   

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