cdmikechen edited a comment on issue #770: remove com.databricks:spark-avro to 
build spark avro schema by itself
URL: https://github.com/apache/incubator-hudi/pull/770#issuecomment-532919914
 
 
   @vinothchandar @umehrot2 
   I've tried changing avro version to 1.8.2 in hudi pom.xml before. Spark 2.2 
or 2.3 don't use avro 1.8.2 jars in hoodie jar, It will use avro 1.7.7 first 
and I will still encounter the same mistake(report missing logical type class 
and so on).
   Maybe you can try using below codes in shell to test avro 1.8.2
   ```
   --conf spark.driver.userClassPathFirst=true 
   --conf spark.executor.userClassPathFirst=true
   ```
   OR do some change like hive dependence in spark-bundle 
   ```
   <relocation>
       <pattern>org.apache.avro</pattern>
       <shadedPattern>com.apache.hudi.org.apache.avro</shadedPattern>
   </relocation>
   ```
   In this way, we can be compatible with sparks 2.2, 2.3 and 2.4.
   

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