我在Amazon EC2实例上启动的docker中使用HDP_3.0.1_sandbox，当我尝试在Hive中创建外部表并将一些CSV文件上传到HDFS时，出现以下错误：
Unexpected HDFS error output just after calling 'CloseFile' returned expected void: \
FSDataOutputStream#close error: \
org.apache.hadoop.ipc.RemoteException(java.io.IOException): File integ-hive.f9 could only be written to 0 of the 1 minReplication nodes. There are 1 datanode(s) running and 1 node(s) are excluded in this operation. \
at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:2121) \
at org.apache.hadoop.hdfs.server.namenode.FSDirWriteFileOp.chooseTargetForNewBlock(FSDirWriteFileOp.java:286) \
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2706) \
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:875) \
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:561) \
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) \
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:524) \
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1025) \
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:876) \
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:822) \
at java.security.AccessController.doPrivileged(Native Method) \
at javax.security.auth.Subject.doAs(Subject.java:422) \
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730) \
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2682) \
\
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:409) \
at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:163) \
at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:155) \
at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95) \
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:346) \
at com.sun.proxy.$Proxy11.addBlock(Unknown Source) \
at org.apache.hadoop.hdfs.DataStreamer.locateFollowingBlock(DataStreamer.java:1838) \
at org.apache.hadoop.hdfs.DataStreamer.nextBlockOutputStream(DataStreamer.java:1638) \
at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:704)
2019-07-01T14:52:05+02:00: Exception in createBlockOutputStream
2019-07-01T14:52:05+02:00: org.apache.hadoop.net.ConnectTimeoutException: 60000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=/172.18.0.2:50010]
2019-07-01T14:52:05+02:00: at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:534)
2019-07-01T14:52:05+02:00: at org.apache.hadoop.hdfs.DataStreamer.createSocketForPipeline(DataStreamer.java:259)
2019-07-01T14:52:05+02:00: at org.apache.hadoop.hdfs.DataStreamer.createBlockOutputStream(DataStreamer.java:1692)
2019-07-01T14:52:05+02:00: at org.apache.hadoop.hdfs.DataStreamer.nextBlockOutputStream(DataStreamer.java:1648)
2019-07-01T14:52:05+02:00: at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:704)
2019-07-01T14:52:05+02:00: Abandoning BP-1419118625-172.17.0.2-1543512323726:blk_1073779748_38964
2019-07-01T14:52:05+02:00: Excluding datanode DatanodeInfoWithStorage[172.18.0.2:50010,DS-6c34ba72-0587-4927-88a1-781ba7d444d9,DISK]
172.18.0.2-是内部容器的IP地址，但是我使用公共DNS（IPv4）连接字符串。 请说明有什么问题吗？