java.lang.ClassCastException: org.elasticsearch.action.admin.indices.stats.CommonStatsFlags cannot be cast to [Ljava.lang.String;

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org.elasticsearch.action.admin.indices.stats.CommonStatsFlags cannot be cast to [Ljava.lang.String;
java.lang.ClassCastException: org.elasticsearch.action.admin.indices.stats.CommonStatsFlags cannot be cast to [Ljava.lang.String;
at org.elasticsearch.plugin.readonlyrest.acl.RequestContext$1.run(RequestContext.java:63)
at org.elasticsearch.plugin.readonlyrest.acl.RequestContext$1.run(RequestContext.java:46)
at org.elasticsearch.plugin.readonlyrest.acl.RequestContext.getIndices(RequestContext.java:45)
at org.elasticsearch.plugin.readonlyrest.acl.blocks.rules.impl.KibanaAccessRule.match(KibanaAccessRule.java:107)
at org.elasticsearch.plugin.readonlyrest.acl.blocks.Block.check(Block.java:112)
at org.elasticsearch.plugin.readonlyrest.acl.ACL.check(ACL.java:46)
at org.elasticsearch.plugin.readonlyrest.IndexLevelActionFilter.apply(IndexLevelActionFilter.java:82)
at org.elasticsearch.action.support.ActionFilter$Simple.apply(ActionFilter.java:64)
at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:170)
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:144)
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:85)
at org.elasticsearch.client.node.NodeClient.doExecute(NodeClient.java:58)
at org.elasticsearch.client.support.AbstractClient.execute(AbstractClient.java:359)
at org.elasticsearch.client.FilterClient.doExecute(FilterClient.java:52)
at org.elasticsearch.rest.BaseRestHandler$HeadersAndContextCopyClient.doExecute(BaseRestHandler.java:83)
at org.elasticsearch.client.support.AbstractClient.execute(AbstractClient.java:359)
at org.elasticsearch.client.support.AbstractClient$ClusterAdmin.execute(AbstractClient.java:853)
at org.elasticsearch.client.support.AbstractClient$ClusterAdmin.nodesStats(AbstractClient.java:948)
at org.elasticsearch.rest.action.admin.cluster.node.stats.RestNodesStatsAction.handleRequest(RestNodesStatsAction.java:109)
at org.elasticsearch.rest.BaseRestHandler.handleRequest(BaseRestHandler.java:54)
at org.elasticsearch.rest.RestController.executeHandler(RestController.java:205)
at org.elasticsearch.rest.RestController$RestHandlerFilter.process(RestController.java:279)
at org.elasticsearch.plugin.readonlyrest.ReadonlyRestAction$1.process(ReadonlyRestAction.java:39)
at org.elasticsearch.rest.RestController$ControllerFilterChain.continueProcessing(RestController.java:263)
at org.elasticsearch.rest.RestController.dispatchRequest(RestController.java:176)
at org.elasticsearch.http.HttpServer.internalDispatchRequest(HttpServer.java:128)
at org.elasticsearch.http.HttpServer$Dispatcher.dispatchRequest(HttpServer.java:86)
at org.elasticsearch.http.netty.NettyHttpServerTransport.dispatchRequest(NettyHttpServerTransport.java:449)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:88)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.jboss.netty.handler.codec.http.HttpChunkAggregator.messageReceived(HttpChunkAggregator.java:145)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.jboss.netty.handler.codec.http.HttpContentDecoder.messageReceived(HttpContentDecoder.java:108)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:459)
at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:536)
at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:435)
at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337)
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

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