anandgm007 commented on issue #4835:
URL: https://github.com/apache/druid/issues/4835#issuecomment-670416764


   @gianm Thanks for the reply. I don;t have scan-query in the extensions List. 
Found out my issue is exactly mentioned here in 
[9483](https://github.com/apache/druid/issues/9483). Wanted to add the moving 
average extension and i changed the load_extension in broker alone.
   Here is my load_extention in _common, common.runtime.properties
   druid.extensions.loadList=["druid-s3-extensions", 
"mysql-metadata-storage","druid-hdfs-storage", "druid-kafka-indexing-service", 
"druid-datasketches","druid-moving-average-query"]
   
   Getting the following error in router.log when i restart the broker service
   2020-08-06T13:52:10,538 WARN [main] org.apache.hadoop.util.NativeCodeLoader 
- Unable to load native-hadoop library for your platform... using builtin-java 
classes where applicable
   Exception in thread "main" java.lang.RuntimeException: 
com.google.inject.CreationException: Unable to create injector, see the 
following errors:
   
   1) No implementation for org.apache.druid.query.QuerySegmentWalker was bound.
     while locating 
com.google.inject.Provider<org.apache.druid.query.QuerySegmentWalker>
       for the 1st parameter of 
org.apache.druid.query.movingaverage.MovingAverageQueryToolChest.<init>(MovingAverageQueryToolChest.java:61)
     at 
org.apache.druid.query.movingaverage.MovingAverageQueryModule.configure(MovingAverageQueryModule.java:48)
 (via modules: com.google.inject.u
   til.Modules$OverrideModule -> 
org.apache.druid.query.movingaverage.MovingAverageQueryModule)
   
   Should i include "druid-moving-average-query" in the overload also? right 
now its just the broker.


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