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java.lang.RuntimeException: java.lang.RuntimeException: Error while running command to get file permissions : java.io.IOException: (null) entry in command string: null ls -F C:\tmp\hive	at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:770)	at org.apache.hadoop.util.Shell.execCommand(Shell.java:866)	at org.apache.hadoop.util.Shell.execCommand(Shell.java:849)	at org.apache.hadoop.fs.FileUtil.execCommand(FileUtil.java:1097)	at org.apache.hadoop.fs.RawLocalFileSystem$DeprecatedRawLocalFileStatus.loadPermissionInfo(RawLocalFileSystem.java:659)	at org.apache.hadoop.fs.RawLocalFileSystem$DeprecatedRawLocalFileStatus.getPermission(RawLocalFileSystem.java:634)	at org.apache.hadoop.hive.ql.session.SessionState.createRootHDFSDir(SessionState.java:599)	at org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:554)	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:508)	at org.apache.spark.sql.hive.client.HiveClientImpl.(HiveClientImpl.scala:189)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)	at java.lang.reflect.Constructor.newInstance(Unknown Source)	at org.apache.spark.sql.hive.client.IsolatedClientLoader.createClient(IsolatedClientLoader.scala:258)	at org.apache.spark.sql.hive.HiveUtils$.newClientForMetadata(HiveUtils.scala:359)	at org.apache.spark.sql.hive.HiveUtils$.newClientForMetadata(HiveUtils.scala:263)	at org.apache.spark.sql.hive.HiveSharedState.metadataHive$lzycompute(HiveSharedState.scala:39)	at org.apache.spark.sql.hive.HiveSharedState.metadataHive(HiveSharedState.scala:38)	at org.apache.spark.sql.hive.HiveSharedState.externalCatalog$lzycompute(HiveSharedState.scala:46)	at org.apache.spark.sql.hive.HiveSharedState.externalCatalog(HiveSharedState.scala:45)	at org.apache.spark.sql.hive.HiveSessionState.catalog$lzycompute(HiveSessionState.scala:50)	at org.apache.spark.sql.hive.HiveSessionState.catalog(HiveSessionState.scala:48)	at org.apache.spark.sql.hive.HiveSessionState$$anon$1.(HiveSessionState.scala:63)	at org.apache.spark.sql.hive.HiveSessionState.analyzer$lzycompute(HiveSessionState.scala:63)	at org.apache.spark.sql.hive.HiveSessionState.analyzer(HiveSessionState.scala:62)	at org.apache.spark.sql.execution.QueryExecution.assertAnalyzed(QueryExecution.scala:49)	at org.apache.spark.sql.Dataset$.ofRows(Dataset.scala:64)	at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:582)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at sparklyr.Invoke$.invoke(invoke.scala:94)	at sparklyr.StreamHandler$.handleMethodCall(stream.scala:89)	at sparklyr.StreamHandler$.read(stream.scala:55)	at sparklyr.BackendHandler.channelRead0(handler.scala:49)	at sparklyr.BackendHandler.channelRead0(handler.scala:14)	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:244)	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)