jtLiBrain commented on issue #2468:
URL: https://github.com/apache/iceberg/issues/2468#issuecomment-1165747848

   > I build a jar file from master branch. when i create a hive catalog on 
flink sql client ,it comes a problem.
   > 
   > **the SQL is :**
   > 
   > ```
   > drop catalog if exists iceberg_catalog;
   > CREATE CATALOG iceberg_catalog WITH (
   >   'type'='iceberg',
   >   'catalog-type'='hive',
   >   'uri'='thrift://xxx1:9083,thrift://xxx2:9083',
   >   'clients'='5',
   >   'property-version'='1',
   >   'warehouse'='hdfs://hacluster/user/hive/warehouse'
   > );
   > ```
   > 
   > **error info:**
   > 
   > ```
   > java.lang.IllegalArgumentException: Cannot initialize Catalog, 
org.apache.iceberg.hive.HiveCatalog does not implement Catalog.
   >    at org.apache.iceberg.CatalogUtil.loadCatalog(CatalogUtil.java:176)
   >    at 
org.apache.iceberg.flink.CatalogLoader$HiveCatalogLoader.loadCatalog(CatalogLoader.java:112)
   >    at org.apache.iceberg.flink.FlinkCatalog.<init>(FlinkCatalog.java:110)
   >    at 
org.apache.iceberg.flink.FlinkCatalogFactory.createCatalog(FlinkCatalogFactory.java:130)
   >    at 
org.apache.iceberg.flink.FlinkCatalogFactory.createCatalog(FlinkCatalogFactory.java:117)
   >    at 
org.apache.flink.table.api.internal.TableEnvironmentImpl.createCatalog(TableEnvironmentImpl.java:1085)
   >    at 
org.apache.flink.table.api.internal.TableEnvironmentImpl.executeOperation(TableEnvironmentImpl.java:1019)
   >    at 
org.apache.flink.table.api.internal.TableEnvironmentImpl.executeSql(TableEnvironmentImpl.java:690)
   >    at 
org.apache.zeppelin.flink.Flink111Shims.executeSql(Flink111Shims.java:374)
   >    at 
org.apache.zeppelin.flink.FlinkSqlInterrpeter.callCreateCatalog(FlinkSqlInterrpeter.java:391)
   >    at 
org.apache.zeppelin.flink.FlinkSqlInterrpeter.callCommand(FlinkSqlInterrpeter.java:244)
   >    at 
org.apache.zeppelin.flink.FlinkSqlInterrpeter.runSqlList(FlinkSqlInterrpeter.java:151)
   >    at 
org.apache.zeppelin.flink.FlinkSqlInterrpeter.internalInterpret(FlinkSqlInterrpeter.java:111)
   >    at 
org.apache.zeppelin.interpreter.AbstractInterpreter.interpret(AbstractInterpreter.java:47)
   >    at 
org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:110)
   >    at 
org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:808)
   >    at 
org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:700)
   >    at org.apache.zeppelin.scheduler.Job.run(Job.java:172)
   >    at 
org.apache.zeppelin.scheduler.AbstractScheduler.runJob(AbstractScheduler.java:132)
   >    at 
org.apache.zeppelin.scheduler.ParallelScheduler.lambda$runJobInScheduler$0(ParallelScheduler.java:46)
   >    at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
   >    at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   >    at java.lang.Thread.run(Thread.java:748)
   > Caused by: java.lang.ClassCastException: 
org.apache.iceberg.hive.HiveCatalog cannot be cast to 
org.apache.iceberg.catalog.Catalog
   >    at org.apache.iceberg.CatalogUtil.loadCatalog(CatalogUtil.java:172)
   >    ... 22 more
   > ```
   > 
   > but when i'm using iceberg-flink-runtime-0.11.1.jar . it‘s seems ok. could 
you tell me how to fix this.
   
   I got the same exception when i use iceberg in Zeppline


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