I am getting an error from zeppelin that causes it not to start up. I cannot figure out how to diagnose. Can you help.
thanks brad 2017-12-14 12:38:22,291 WARN ({main} ContextHandler.java[log]:2062) - unavailable MultiException stack 1 of 1 com.google.gson.JsonSyntaxException: duplicate key: ultimate-column-chart at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:191) at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:146) at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.read(TypeAdapterRuntimeTypeWrapper.java:40) at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:81) at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:60) at com.google.gson.Gson.fromJson(Gson.java:791) at com.google.gson.Gson.fromJson(Gson.java:757) at org.apache.zeppelin.helium.HeliumOnlineRegistry.getAll(HeliumOnlineRegistry.java:95) at org.apache.zeppelin.helium.Helium.getAllPackageInfo(Helium.java:169) at org.apache.zeppelin.helium.Helium.getAllPackageInfo(Helium.java:154) at org.apache.zeppelin.helium.Helium.<init>(Helium.java:69) at org.apache.zeppelin.server.ZeppelinServer.<init>(ZeppelinServer.java:141) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) -- Brad Johnson (571) 248-1566 Volume Integration <http://volumeintegration.com> Volume Labs <http://volumelabs.net>