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Posts: 1
Registered: ‎03-26-2019

kuduclient on windows connect kudu-master on linux

[ Edited ]

I just want to connect kudu cluster with kuduclient on windows ,my program is blow:

 

 

public static List<String> KUDU_MASTER = Lists.newArrayList("172.16.1.17:7051", "172.16.1.16:7051", "172.16.1.18:7051");

    public static void main(String[] args) {
              KuduClient kc =  new KuduClient.KuduClientBuilder(KUDU_MASTER).defaultAdminOperationTimeoutMs(60000).defaultSocketReadTimeoutMs(60000).defaultOperationTimeoutMs(60000).build();
        try {
            ListTablesResponse tablesList = kc.getTablesList();
            tablesList.getTablesList().forEach(System.out::println);

//            createTableSchema(kc);
            //saveData(kc);
            //update(kc);
            //search(kc);
            //delete(kc);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (kc != null) {
                try {
                    kc.shutdown();
                } catch (KuduException e) {
                    e.printStackTrace();
                }
            }
        }
    }

but when I run the program ,the console shows me message below:

 

 

 

org.apache.kudu.client.NonRecoverableException: can not complete before timeout: KuduRpc(method=ListTables, tablet=null, attempt=12, DeadlineTracker(timeout=60000, elapsed=64392), Traces: [0ms] querying master, [219ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [406ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [531ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [5611ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: [peer master-172.16.1.17:7051] unexpected exception from downstream on [id: 0xca7c05b5, /192.168.50.205:61168 => /172.16.1.17:7051], [5611ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: [peer master-172.16.1.16:7051] unexpected exception from downstream on [id: 0x4da4189d, /192.168.50.205:61169 => /172.16.1.16:7051], [5658ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [5673ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: [peer master-172.16.1.17:7051] unexpected exception from downstream on [id: 0xca7c05b5, /192.168.50.205:61168 => /172.16.1.17:7051],org.apache.kudu.client.RecoverableException: [peer master-172.16.1.16:7051] unexpected exception from downstream on [id: 0x4da4189d, /192.168.50.205:61169 => /172.16.1.16:7051],org.apache.kudu.client.RecoverableException: connection disconnected, [5689ms] querying master, [5689ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [5689ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [5689ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [10250ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [10250ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [10250ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [10250ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, [10282ms] querying master, [10282ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [10282ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [10282ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [15374ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [15530ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [15546ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: [peer master-172.16.1.18:7051] unexpected exception from downstream on [id: 0x69e909a9, /192.168.50.205:61192 => /172.16.1.18:7051], [15546ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: [peer master-172.16.1.18:7051] unexpected exception from downstream on [id: 0x69e909a9, /192.168.50.205:61192 => /172.16.1.18:7051], [15562ms] querying master, [15562ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [15562ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [15562ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [20108ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [20123ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [20123ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [20123ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, [20154ms] querying master, [20154ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [20154ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [20154ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [24700ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [24716ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [25231ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [25231ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, [25263ms] querying master, [25263ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [25263ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [25263ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [30277ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [30293ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [30324ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [30324ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, [30340ms] querying master, [30340ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [30340ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [30340ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [34886ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [34901ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [35526ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [35526ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, [35557ms] querying master, [35557ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [35557ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [35557ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [40541ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [40978ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [40994ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [40994ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, [41119ms] querying master, [41119ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [41119ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [41119ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [45664ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [45664ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [46227ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [46227ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, [46430ms] querying master, [46430ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [46430ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [46430ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [51444ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [51585ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [51772ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [51772ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, [52209ms] querying master, [52209ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [52209ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [52209ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [56755ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [56755ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [58536ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [58536ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, [59083ms] querying master, [59083ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.17:7051, [59083ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.16:7051, [59083ms] Sub rpc: ConnectToMaster sending RPC to server master-172.16.1.18:7051, [64144ms] Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [64316ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [64394ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected, [64394ms] delaying RPC due to Service unavailable: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected, Deferred@873220095(state=PENDING, result=null, callback=(continuation of Deferred@1289337703 after retry RPC after error@136619509) -> (continuation of Deferred@1430349044 after retry RPC after error@1367271939) -> (continuation of Deferred@784989903 after retry RPC after error@1151603821) -> (continuation of Deferred@555340952 after retry RPC after error@126945435) -> (continuation of Deferred@1572016222 after retry RPC after error@414289196) -> (continuation of Deferred@5659627 after retry RPC after error@1163189541) -> (continuation of Deferred@229923793 after retry RPC after error@1833084376) -> (continuation of Deferred@163533327 after retry RPC after error@1404187695) -> (continuation of Deferred@900713618 after retry RPC after error@1235875226) -> (continuation of Deferred@283419227 after retry RPC after error@2134246449) -> (continuation of Deferred@1618584740 after retry RPC after error@1380066308), errback=(continuation of Deferred@1289337703 after retry RPC after error@136619509) -> (continuation of Deferred@1430349044 after retry RPC after error@1367271939) -> (continuation of Deferred@784989903 after retry RPC after error@1151603821) -> (continuation of Deferred@555340952 after retry RPC after error@126945435) -> (continuation of Deferred@1572016222 after retry RPC after error@414289196) -> (continuation of Deferred@5659627 after retry RPC after error@1163189541) -> (continuation of Deferred@229923793 after retry RPC after error@1833084376) -> (continuation of Deferred@163533327 after retry RPC after error@1404187695) -> (continuation of Deferred@900713618 after retry RPC after error@1235875226) -> (continuation of Deferred@283419227 after retry RPC after error@2134246449) -> (continuation of Deferred@1618584740 after retry RPC after error@1380066308)))
at org.apache.kudu.client.AsyncKuduClient.tooManyAttemptsOrTimeout(AsyncKuduClient.java:1293)
at org.apache.kudu.client.AsyncKuduClient.delayedSendRpcToTablet(AsyncKuduClient.java:1574)
at org.apache.kudu.client.AsyncKuduClient.access$1100(AsyncKuduClient.java:119)
at org.apache.kudu.client.AsyncKuduClient$RetryRpcErrback.call(AsyncKuduClient.java:951)
at org.apache.kudu.client.AsyncKuduClient$RetryRpcErrback.call(AsyncKuduClient.java:941)
at com.stumbleupon.async.Deferred.doCall(Deferred.java:1280)
at com.stumbleupon.async.Deferred.runCallbacks(Deferred.java:1259)
at com.stumbleupon.async.Deferred.callback(Deferred.java:1002)
at org.apache.kudu.client.ConnectToCluster.incrementCountAndCheckExhausted(ConnectToCluster.java:275)
at org.apache.kudu.client.ConnectToCluster.access$100(ConnectToCluster.java:49)
at org.apache.kudu.client.ConnectToCluster$ConnectToMasterErrCB.call(ConnectToCluster.java:349)
at org.apache.kudu.client.ConnectToCluster$ConnectToMasterErrCB.call(ConnectToCluster.java:338)
at com.stumbleupon.async.Deferred.doCall(Deferred.java:1280)
at com.stumbleupon.async.Deferred.runCallbacks(Deferred.java:1259)
at com.stumbleupon.async.Deferred.handleContinuation(Deferred.java:1315)
at com.stumbleupon.async.Deferred.doCall(Deferred.java:1286)
at com.stumbleupon.async.Deferred.runCallbacks(Deferred.java:1259)
at com.stumbleupon.async.Deferred.callback(Deferred.java:1002)
at org.apache.kudu.client.KuduRpc.handleCallback(KuduRpc.java:238)
at org.apache.kudu.client.KuduRpc.errback(KuduRpc.java:292)
at org.apache.kudu.client.RpcProxy.failOrRetryRpc(RpcProxy.java:388)
at org.apache.kudu.client.RpcProxy.responseReceived(RpcProxy.java:217)
at org.apache.kudu.client.RpcProxy.access$000(RpcProxy.java:60)
at org.apache.kudu.client.RpcProxy$1.call(RpcProxy.java:132)
at org.apache.kudu.client.RpcProxy$1.call(RpcProxy.java:128)
at org.apache.kudu.client.Connection.cleanup(Connection.java:694)
at org.apache.kudu.client.Connection.channelDisconnected(Connection.java:247)
at org.apache.kudu.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:102)
at org.apache.kudu.client.Connection.handleUpstream(Connection.java:239)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.apache.kudu.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.channelDisconnected(SimpleChannelUpstreamHandler.java:208)
at org.apache.kudu.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:102)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.apache.kudu.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.channelDisconnected(SimpleChannelUpstreamHandler.java:208)
at org.apache.kudu.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:102)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.apache.kudu.shaded.org.jboss.netty.handler.codec.oneone.OneToOneDecoder.handleUpstream(OneToOneDecoder.java:60)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.apache.kudu.shaded.org.jboss.netty.handler.codec.frame.FrameDecoder.cleanup(FrameDecoder.java:493)
at org.apache.kudu.shaded.org.jboss.netty.handler.codec.frame.FrameDecoder.channelDisconnected(FrameDecoder.java:365)
at org.apache.kudu.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:102)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at org.apache.kudu.shaded.org.jboss.netty.channel.Channels.fireChannelDisconnected(Channels.java:396)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.close(AbstractNioWorker.java:360)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:93)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
at org.apache.kudu.shaded.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at org.apache.kudu.shaded.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.kudu.client.NoLeaderFoundException: Master config (172.16.1.17:7051,172.16.1.16:7051,172.16.1.18:7051) has no leader. Exceptions received: org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected,org.apache.kudu.client.RecoverableException: connection disconnected
at org.apache.kudu.client.ConnectToCluster.incrementCountAndCheckExhausted(ConnectToCluster.java:272)
... 50 more
Caused by: org.apache.kudu.client.RecoverableException: connection disconnected
... 33 more

 

 

 

 

but when I run the same program on a Linux OS it worked well!

Is there something wrong with my Windows OS?

Cloudera Employee
Posts: 53
Registered: ‎09-08-2017

Re: kuduclient on windows connect kudu-master on linux

[ Edited ]

Hi nonkudu,

 

What version of Kudu are you using in the cluster you're attempting to connect to?

The error message you're getting back indicates that your Windows client simply isn't able to make a connection with any of the Kudu Master instances to ascertain who the current Leader is. As a result, we throw the "no leader found" exception you're seeing:
Sub rpc: ConnectToMaster received from server master-172.16.1.18:7051 response Network error: connection disconnected, [64316ms] Sub rpc: ConnectToMaster received from server master-172.16.1.16:7051 response Network error: connection disconnected, [64394ms] Sub rpc: ConnectToMaster received from server master-172.16.1.17:7051 response Network error: connection disconnected

 

Is your Kudu cluster kerberized? If so, how are you managing the Kerberos credentials in your Windows client?

 

Are you able to actually contact the Master hosts themselves from your Windows machine with something like ping or SSH?