I have installed 5.7 Cloudera cluster and changed the one single paramameter :

hive.execution.engine to Spark

Then tried to execute an example query which resulted in the following error:

16/04/29 03:14:52 ERROR status.SparkJobMonitor: Status: SENT
16/04/29 03:14:52 INFO log.PerfLogger: </PERFLOG method=SparkRunJob start=1461917631790 end=1461917692802 duration=61012 from=org.apache.hadoop.hive.ql.exec.spark.status.SparkJobMonitor>
16/04/29 03:14:52 ERROR exec.Task: Failed to execute spark task, with exception 'java.lang.IllegalStateException(RPC channel is closed.)'
java.lang.IllegalStateException: RPC channel is closed.
at com.google.common.base.Preconditions.checkState(Preconditions.java:145)
at org.apache.hive.spark.client.rpc.Rpc.call(Rpc.java:276)
at org.apache.hive.spark.client.rpc.Rpc.call(Rpc.java:259)
at org.apache.hive.spark.client.SparkClientImpl$ClientProtocol.cancel(SparkClientImpl.java:523)
at org.apache.hive.spark.client.SparkClientImpl.cancel(SparkClientImpl.java:187)
at org.apache.hive.spark.client.JobHandleImpl.cancel(JobHandleImpl.java:62)
at org.apache.hadoop.hive.ql.exec.spark.status.impl.RemoteSparkJobRef.cancelJob(RemoteSparkJobRef.java:54)
at org.apache.hadoop.hive.ql.exec.spark.SparkTask.execute(SparkTask.java:119)
at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160)
at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:100)
at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1774)
at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1531)
at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1311)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1120)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1113)
at org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:178)
at org.apache.hive.service.cli.operation.SQLOperation.access$100(SQLOperation.java:72)
at org.apache.hive.service.cli.operation.SQLOperation$2$1.run(SQLOperation.java:232)
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:1693)
at org.apache.hive.service.cli.operation.SQLOperation$2.run(SQLOperation.java:245)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
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)

16/04/29 03:14:52 ERROR exec.Task: Failed to execute spark task, with exception 'java.lang.IllegalStateException(RPC channel is closed.)'
java.lang.IllegalStateException: RPC channel is closed.
at com.google.common.base.Preconditions.checkState(Preconditions.java:145)
at org.apache.hive.spark.client.rpc.Rpc.call(Rpc.java:276)
at org.apache.hive.spark.client.rpc.Rpc.call(Rpc.java:259)
at org.apache.hive.spark.client.SparkClientImpl$ClientProtocol.cancel(SparkClientImpl.java:523)
at org.apache.hive.spark.client.SparkClientImpl.cancel(SparkClientImpl.java:187)
at org.apache.hive.spark.client.JobHandleImpl.cancel(JobHandleImpl.java:62)
at org.apache.hadoop.hive.ql.exec.spark.status.impl.RemoteSparkJobRef.cancelJob(RemoteSparkJobRef.java:54)
at org.apache.hadoop.hive.ql.exec.spark.SparkTask.execute(SparkTask.java:119)
at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160)
at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:100)
at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1774)
at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1531)
at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1311)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1120)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1113)
at org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:178)
at org.apache.hive.service.cli.operation.SQLOperation.access$100(SQLOperation.java:72)
at org.apache.hive.service.cli.operation.SQLOperation$2$1.run(SQLOperation.java:232)
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:1693)
at org.apache.hive.service.cli.operation.SQLOperation$2.run(SQLOperation.java:245)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
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)
16/04/29 03:14:52 ERROR ql.Driver: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.spark.SparkTask
16/04/29 03:14:52 INFO log.PerfLogger: </PERFLOG method=Driver.execute start=1461917618369 end=1461917692836 duration=74467 from=org.apache.hadoop.hive.ql.Driver>
16/04/29 03:14:52 INFO ql.Driver: Completed executing command(queryId=hive_20160429031313_ef0fd500-f203-4f36-a1db-49b7b3efaf71); Time taken: 74.467 seconds
16/04/29 03:14:52 INFO log.PerfLogger: <PERFLOG method=releaseLocks from=org.apache.hadoop.hive.ql.Driver>
16/04/29 03:14:52 INFO log.PerfLogger: </PERFLOG method=releaseLocks start=1461917692838 end=1461917692845 duration=7 from=org.apache.hadoop.hive.ql.Driver>
16/04/29 03:14:52 ERROR operation.Operation: Error running hive query:
org.apache.hive.service.cli.HiveSQLException: Error while processing statement: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.spark.SparkTask
at org.apache.hive.service.cli.operation.Operation.toSQLException(Operation.java:374)
at org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:180)
at org.apache.hive.service.cli.operation.SQLOperation.access$100(SQLOperation.java:72)
at org.apache.hive.service.cli.operation.SQLOperation$2$1.run(SQLOperation.java:232)
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:1693)
at org.apache.hive.service.cli.operation.SQLOperation$2.run(SQLOperation.java:245)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
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)