我在3個Ubuntu 12.10實例,1個主服務器和2個從服務器的amazon ec2上使用hadoop-1.0.4,就在〜目錄下。 現在start-all.sh和stop-all.sh可以,但是當我在master或slave上運行jps時,它不會打印任何東西。然後我測試的hadoop例子:hadoop示例沒有運行在amazon ec2
~/hadoop$ bin/hadoop jar hadoop-examples-1.0.4.jar pi 10 10000
它顯示
Exception in thread "main" java.io.IOException: Permission denied
at java.io.UnixFileSystem.createFileExclusively(Native Method)
at java.io.File.createTempFile(File.java:1879)
at org.apache.hadoop.util.RunJar.main(RunJar.java:115)
但是我搭配chmod 777 -R TMP TMP的文件夾。
~/hadoop$ sudo bin/hadoop jar hadoop-examples-1.0.4.jar pi 10 10000
使用sudo,它產生
13/05/12 03:58:11 WARN conf.Configuration: DEPRECATED: hadoop-site.xml
found in the classpath. Usage of hadoop-site.xml is deprecated.
Instead use core-site.xml, mapred-site.xml and hdfs-site.xml to
override properties of core-default.xml, mapred-default.xml
and hdfs-default.xml respectively
Number of Maps = 10
Samples per Map = 10000
13/05/12 03:58:12 WARN fs.FileSystem: "54.235.101.85:50001" is a deprecated
filesystem name. Use "hdfs://54.235.101.85:50001/" instead.
13/05/12 03:58:13 INFO ipc.Client: Retrying connect to server:
hdmaster/54.235.101.85:50001. Already tried 0 time(s).
13/05/12 03:58:14 INFO ipc.Client: Retrying connect to server:
hdmaster/54.235.101.85:50001. Already tried 1 time(s).
13/05/12 03:58:15 INFO ipc.Client: Retrying connect to server:
hdmaster/54.235.101.85:50001. Already tried 2 time(s).
然後連接失敗。那麼問題是什麼?我應該把sudo運行的例子嗎?非常感謝。
是54.235.101.85可訪問嗎? – 2013-05-13 14:39:55
@JtheRocker現在不再需要sudo了,我修正了一些拼寫錯誤的端口號,問題仍然是java.net.BindException:問題綁定到hdmaster/54.235.101.85:50000:無法分配請求的地址。我剛剛從主服務器中刪除了/ tmp中的文件,並且jps和secondarynamenode對jps做出了響應,但仍然沒有名稱節點和數據節點。 – user1261718 2013-05-13 16:59:41
您是否嘗試禁用防火牆? – 2013-05-13 17:19:49