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Re: mapReduce can not running when I commit a tas...

by Explorer in Support Questions
‎09-10-2019 07:26 AM
‎09-10-2019 07:26 AM
First, I've uninstalled the hdP cluster of the original 5 nodes and can't give you a snapshot of the mapreduce exception state.   Then I reinstalled the HDP cluster of 3 nodes, tested the feature scan again, a nd the mapreduce status remained in "Accepted", so I tried to reinstall yarn and MR2 and start it, and i saw the nodeManager log： 2019-09-10 09:44:16,875 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x5f80fa43 no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests.   Finally, I only restarted all of the zookeeper service, and the mapreduce task automatically executed ... View more

mapReduce can not running when I commit a task.ma...

by Explorer in Support Questions
‎09-03-2019 07:22 PM
‎09-03-2019 07:22 PM
Ambari Version：3.7.3 HDP Version：3.1.0     /var/log/hadoop-yarn/yarn/hadoop-yarn-nodemanager-hadoop7.log   Wed Sep 04 10:20:03 CST 2019, RpcRetryingCaller{globalStartTime=1567563599007, pause=100, maxAttempts=8}, java.net.ConnectException: Call to hadoop7.gsta.cn/10.1.1.7:17020 failed on connection exception: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020 Wed Sep 04 10:20:07 CST 2019, RpcRetryingCaller{globalStartTime=1567563599007, pause=100, maxAttempts=8}, java.net.ConnectException: Call to hadoop7.gsta.cn/10.1.1.7:17020 failed on connection exception: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020 at org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:145) 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.net.ConnectException: Call to hadoop7.gsta.cn/10.1.1.7:17020 failed on connection exception: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020 at org.apache.hadoop.hbase.ipc.IPCUtil.wrapException(IPCUtil.java:165) at org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:390) at org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:95) at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:410) at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:406) at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:103) at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:118) at org.apache.hadoop.hbase.ipc.BufferCallBeforeInitHandler.userEventTriggered(BufferCallBeforeInitHandler.java:92) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:329) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:315) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireUserEventTriggered(AbstractChannelHandlerContext.java:307) at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.userEventTriggered(DefaultChannelPipeline.java:1377) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:329) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:315) at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline.fireUserEventTriggered(DefaultChannelPipeline.java:929) at org.apache.hadoop.hbase.ipc.NettyRpcConnection.failInit(NettyRpcConnection.java:179) at org.apache.hadoop.hbase.ipc.NettyRpcConnection.access$500(NettyRpcConnection.java:71) at org.apache.hadoop.hbase.ipc.NettyRpcConnection$3.operationComplete(NettyRpcConnection.java:269) at org.apache.hadoop.hbase.ipc.NettyRpcConnection$3.operationComplete(NettyRpcConnection.java:263) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:500) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:479) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:122) at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:327) at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:343) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:633) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459) at org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) ... 1 more Caused by: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020 at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) at org.apache.hbase.thirdparty.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:323) at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:340) ... 7 more Caused by: java.net.ConnectException: Connection refused           /var/log/hadoop-yarn/yarn/hadoop-yarn-resourcemanager-hadoop7.log   Wed Sep 04 10:11:50 CST 2019, RpcRetryingCaller{globalStartTime=1567563102129, pause=100, maxAttempts=8}, java.net.ConnectException: Call to hadoop7.gsta.cn/ 10.1.1.7:17020 failed on connection exception: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: ha doop7.gsta.cn/10.1.1.7:17020 at org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:145) at org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:80) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.ConnectException: Call to hadoop7.gsta.cn/10.1.1.7:17020 failed on connection exception: org.apache.hbase.thirdparty.io.netty.channel.Abs tractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020 at org.apache.hadoop.hbase.ipc.IPCUtil.wrapException(IPCUtil.java:165) at org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:390) at org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:95) at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:410) at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:406) at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:103) at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:118) at org.apache.hadoop.hbase.ipc.BufferCallBeforeInitHandler.userEventTriggered(BufferCallBeforeInitHandler.java:92) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:329) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:315) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireUserEventTriggered(AbstractChannelHandlerContext.java:307) at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.userEventTriggered(DefaultChannelPipeline.java:1377) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:329) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:315) at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline.fireUserEventTriggered(DefaultChannelPipeline.java:929) at org.apache.hadoop.hbase.ipc.NettyRpcConnection.failInit(NettyRpcConnection.java:179) at org.apache.hadoop.hbase.ipc.NettyRpcConnection.access$500(NettyRpcConnection.java:71) at org.apache.hadoop.hbase.ipc.NettyRpcConnection$3.operationComplete(NettyRpcConnection.java:269) at org.apache.hadoop.hbase.ipc.NettyRpcConnection$3.operationComplete(NettyRpcConnection.java:263) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:500) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:479) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:122) at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:327) at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:343) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:633) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459) at org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) ... 1 more Caused by: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020 at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) at org.apache.hbase.thirdparty.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:323) at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:340) ... 7 more Caused by: java.net.ConnectException: Connection refused ... 11 more       ... View more

why the mapReduce status always is "Accepted"?

by Explorer in Support Questions
‎08-30-2019 12:53 AM
‎08-30-2019 12:53 AM
I'm try to check if the cluster service working, then I execute the example of wordCount program which hadoop provide. No normal exit after executing the instruction of wordcount.   I see the wordCount task details from UI,the "State" all of "Accepted".   #NodeManager log：     2019-08-30 02:59:15,027 INFO zookeeper.ZooKeeper (ZooKeeper.java:close(684)) - Session: 0x26ce08e40590012 closed 2019-08-30 02:59:15,027 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(524)) - EventThread shut down 2019-08-30 03:00:15,027 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests. 2019-08-30 03:01:15,028 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests. 2019-08-30 03:02:15,029 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests. 2019-08-30 03:03:15,030 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests. 2019-08-30 03:04:15,030 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests. c2019-08-30 03:05:15,031 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests. 2019-08-30 03:06:15,031 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests. 2019-08-30 03:07:15,032 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests. 2019-08-30 03:08:01,454 INFO localizer.ResourceLocalizationService (ResourceLocalizationService.java:handleCacheCleanup(542)) - Cache Size Before Clean: 0, Total Deleted: 0, Public Deleted: 0, Private Deleted: 0 2019-08-30 03:08:07,095 INFO tracker.NMLogAggregationStatusTracker (NMLogAggregationStatusTracker.java:rollLogAggregationStatus(206)) - Rolling over the cached log aggregation status. 2019-08-30 03:08:15,033 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests. 2019-08-30 03:09:15,034 INFO zookeeper.ReadOnlyZKClient (ReadOnlyZKClient.java:run(315)) - 0x55ecbafe no activities for 60000 ms, close active connection. Will reconnect next time when there are new requests.       After I read the yarn-nodeManager log, I thought the restart was resolved, and a new exception appeared: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020     Fri Aug 30 03:39:43 EDT 2019, RpcRetryingCaller{globalStartTime=1567150775111, pause=100, maxAttempts=8}, java.net.ConnectException: Call to hadoop7.gsta.cn/10.1.1.7:17020 failed on connection exception: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020 at org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:145) at org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:80) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.net.ConnectException: Call to hadoop7.gsta.cn/10.1.1.7:17020 failed on connection exception: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020 at org.apache.hadoop.hbase.ipc.IPCUtil.wrapException(IPCUtil.java:165) at org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:390) at org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:95) at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:410) at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:406) at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:103) at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:118) at org.apache.hadoop.hbase.ipc.BufferCallBeforeInitHandler.userEventTriggered(BufferCallBeforeInitHandler.java:92) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:329) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:315) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireUserEventTriggered(AbstractChannelHandlerContext.java:307) at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.userEventTriggered(DefaultChannelPipeline.java:1377) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:329) at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeUserEventTriggered(AbstractChannelHandlerContext.java:315) at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline.fireUserEventTriggered(DefaultChannelPipeline.java:929) at org.apache.hadoop.hbase.ipc.NettyRpcConnection.failInit(NettyRpcConnection.java:179) at org.apache.hadoop.hbase.ipc.NettyRpcConnection.access$500(NettyRpcConnection.java:71) at org.apache.hadoop.hbase.ipc.NettyRpcConnection$3.operationComplete(NettyRpcConnection.java:269) at org.apache.hadoop.hbase.ipc.NettyRpcConnection$3.operationComplete(NettyRpcConnection.java:263) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:500) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:479) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:122) at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:327) at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:343) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:633) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497) at org.apache.hbase.thirdparty.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459) at org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) ... 1 more Caused by: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020 at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) at org.apache.hbase.thirdparty.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:323) at org.apache.hbase.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:340) ... 7 more Caused by: java.net.ConnectException: Connection refused ... 11 more 2019-08-30 03:39:47,447 INFO client.RpcRetryingCallerImpl (RpcRetryingCallerImpl.java:callWithRetries(134)) - Call exception, tries=6, retries=6, started=4151 ms ago, cancelled=false, msg=Call to hadoop7.gsta.cn/10.1.1.7:17020 failed on connection exception: org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: hadoop7.gsta.cn/10.1.1.7:17020, details=row 'prod.timelineservice.entity,yarn-ats!yarn_cluster!ats-hbase��������������!YARN_CONTAINER���z�`!container_1567134062883_0001_01_000001,99999999999999' on table 'hbase:meta' at region=hbase:meta,,1.1588230740, hostname=hadoop7.gsta.cn,17020,1567136010280, seqNum=-1       follow the Hbase table 'hbase:meta',I see this: it seems should connect to 10.1.1.7:16020,isn't connect 10.1.1.7:17020. and the hbase-site.xml details tell us,it run in 16020 Please tell me what should I do? I've been plagued by this problem all day. ... View more
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Re: How can I fix the alert for YARN: ats-hbase s...

by Explorer in Support Questions
‎08-27-2019 11:35 PM
‎08-27-2019 11:35 PM
After following your suggestion, the problem seems to have been solved. ... View more

Re: ambari-server start error

by Explorer in Support Questions
‎08-27-2019 08:09 PM
‎08-27-2019 08:09 PM
First check if the database has been started. # check mysql status systemctl status # start mysql if it didn't started systemctl start mysqld Then set up remote access for the mysql user. #login mysql -uroot -p # set up remote access grant all on *.* to 'root'@'localhost' identified by '<your_pwd>' Restart ambari again. ... View more

How can I fix the alert for YARN: ats-hbase servi...

by Explorer in Support Questions
‎08-27-2019 06:31 PM
‎08-27-2019 06:31 PM
Ambari-version：2.7.3 HDP-version：3.1.0   In the yarn log file,I didn't find any error about "ats-hbase service". Where should I find the log file about alter information? ... View more
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