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java.lang.ClassCastException: scala.collection.immutable.Map$Map1 cannot be cast to java.lang.String	at org.apache.spark.sql.hive.thriftserver.SparkExecuteStatementOperation.addNonNullColumnValue(Shim13.scala:142)	at org.apache.spark.sql.hive.thriftserver.SparkExecuteStatementOperation.getNextRowSet(Shim13.scala:165)	at org.apache.hive.service.cli.operation.OperationManager.getOperationNextRowSet(OperationManager.java:192)	at org.apache.hive.service.cli.session.HiveSessionImpl.fetchResults(HiveSessionImpl.java:471)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:79)	at org.apache.hive.service.cli.session.HiveSessionProxy.access$000(HiveSessionProxy.java:37)	at org.apache.hive.service.cli.session.HiveSessionProxy$1.run(HiveSessionProxy.java:64)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.Subject.doAs(Subject.java:415)	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)	at org.apache.hadoop.hive.shims.HadoopShimsSecure.doAs(HadoopShimsSecure.java:493)	at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:60)	at com.sun.proxy.$Proxy21.fetchResults(Unknown Source)	at org.apache.hive.service.cli.CLIService.fetchResults(CLIService.java:405)	at org.apache.hive.service.cli.thrift.ThriftCLIService.FetchResults(ThriftCLIService.java:530)	at org.apache.hive.service.cli.thrift.TCLIService$Processor$FetchResults.getResult(TCLIService.java:1553)	at org.apache.hive.service.cli.thrift.TCLIService$Processor$FetchResults.getResult(TCLIService.java:1538)	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)	at org.apache.hive.service.auth.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:55)	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:206)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)