我正在尝试在集群中运行我的 JARyarn-cluster但一段时间后我遇到了例外。最后INFO在失败之前是Uploading resource。我已经检查了所有安全组，确实如此hsdf ls成功但仍然收到错误。
./bin/spark-submit --class MyMainClass --master 纱线簇 /tmp/myjar-1.0.jar myjarparameter
16/01/21 16:13:51 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
16/01/21 16:13:52 INFO client.RMProxy: Connecting to ResourceManager at yarn.myserver.com/publicip:publicport
16/01/21 16:13:53 INFO yarn.Client: Requesting a new application from cluster with 10 NodeManagers
16/01/21 16:13:53 INFO yarn.Client: Verifying our application has not requested more than the maximum memory capability of the cluster (13312 MB per container)
16/01/21 16:13:53 INFO yarn.Client: Will allocate AM container, with 896 MB memory including 384 MB overhead
16/01/21 16:13:53 INFO yarn.Client: Setting up container launch context for our AM
16/01/21 16:13:53 INFO yarn.Client: Preparing resources for our AM container
16/01/21 16:13:54 INFO yarn.Client: Uploading resource file:/opt/spark-1.2.0-bin-hadoop2.3/lib/spark-assembly-1.2.0-hadoop2.3.0.jar -> hdfs://hdfs.myserver.com/user/henrique/.sparkStaging/application_1452514285349_6427/spark-assembly-1.2.0-hadoop2.3.0.jar
16/01/21 16:14:55 INFO hdfs.DFSClient: Exception in createBlockOutputStream
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=/PRIVATE_IP:50010]
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:532)
at org.apache.hadoop.hdfs.DFSOutputStream.createSocketForPipeline(DFSOutputStream.java:1341)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream(DFSOutputStream.java:1167)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1122)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:522)
16/01/21 16:14:55 INFO hdfs.DFSClient: Abandoning BP-26920217-10.140.213.58-1440247331237:blk_1132201932_58466886
16/01/21 16:14:55 INFO hdfs.DFSClient: Excluding datanode 10.164.16.207:50010
16/01/21 16:15:55 INFO hdfs.DFSClient: Exception in createBlockOutputStream
./bin/hadoop fs -ls /user/henrique/.sparkStaging/
drwx------- henrique supergroup 0 2016-01-20 18:36 user/henrique/.sparkStaging/application_1452514285349_5868
drwx------ henrique supergroup 0 2016-01-21 16:13 user/henrique/.sparkStaging/application_1452514285349_6427
drwx------ henrique supergroup 0 2016-01-21 17:06 user/henrique/.sparkStaging/application_1452514285349_6443
解决了！ Hadoop 正在尝试连接到私有 IP。通过添加此配置来解决问题hsdf-site.xml
<property>
<name>dfs.client.use.datanode.hostname</name>
<value>true</value>
</property>
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