Hi All, I am using kerberos authentication,Hbase-site xml to connect to Hbase. My java native API is deployed in cloud. API is able to fetch the data some time for all the row keys using hbase scan. After few hours API is throwing the below error only for few rowkeys, able to get the data other row keys . Could you please advise me what is the cause of this error. Error logs: org.apache.hadoop.hbase.DoNotRetryIOException: java.lang.NoClassDefFoundError: Could not initialize class org.apache.hadoop.hbase.ipc.RemoteWithExtrasException$ClassLoaderHolder at org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.translateException(RpcRetryingCallerImpl.java:220) at org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithoutRetries(RpcRetryingCallerImpl.java:193) at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:387) at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:361) at org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:107) at org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:80) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.apache.hadoop.hbase.ipc.RemoteWithExtrasException$ClassLoaderHolder at org.apache.hadoop.hbase.ipc.RemoteWithExtrasException.unwrapRemoteException(RemoteWithExtrasException.java:79) at org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil.makeIOExceptionOfException(ProtobufUtil.java:362) at org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil.handleRemoteException(ProtobufUtil.java:350) at org.apache.hadoop.hbase.client.ScannerCallable.openScanner(ScannerCallable.java:344) at org.apache.hadoop.hbase.client.ScannerCallable.rpcCall(ScannerCallable.java:242) at org.apache.hadoop.hbase.client.ScannerCallable.rpcCall(ScannerCallable.java:58) at org.apache.hadoop.hbase.client.RegionServerCallable.call(RegionServerCallable.java:127) at org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithoutRetries(RpcRetryingCallerImpl.java:191) ... View more