/bin/bash: /bin/java:在 MacOS 中的 Yarn 应用程序中没有这样的文件或目录错误

2022-09-03 08:47:06

我试图在Mac OS X EL Captain 10.11上使用Java 1.7 SDK和Hadoop2.7.1运行一个简单的字数MapReduce程序,并且在我的容器日志“stderr” /bin/bash中收到以下错误消息:/bin/java:没有这样的文件或目录

应用程序日志-

5/11/27 02:52:33 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
15/11/27 02:52:33 INFO client.RMProxy: Connecting to ResourceManager at /192.168.200.96:8032
15/11/27 02:52:34 INFO input.FileInputFormat: Total input paths to process : 0
15/11/27 02:52:34 INFO mapreduce.JobSubmitter: number of splits:0
15/11/27 02:52:34 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1448608832342_0003
15/11/27 02:52:34 INFO impl.YarnClientImpl: Submitted application application_1448608832342_0003
15/11/27 02:52:34 INFO mapreduce.Job: The url to track the job: http://mymac.local:8088/proxy/application_1448608832342_0003/
15/11/27 02:52:34 INFO mapreduce.Job: Running job: job_1448608832342_0003
15/11/27 02:52:38 INFO mapreduce.Job: Job job_1448608832342_0003 running in uber mode : false
15/11/27 02:52:38 INFO mapreduce.Job:  map 0% reduce 0%
15/11/27 02:52:38 INFO mapreduce.Job: Job job_1448608832342_0003 failed with state FAILED due to: Application application_1448608832342_0003 failed 2 times due to AM Container for appattempt_1448608832342_0003_000002 exited with  exitCode: 127
For more detailed output, check application tracking page:http://mymac.local:8088/cluster/app/application_1448608832342_0003Then, click on links to logs of each attempt.
Diagnostics: Exception from container-launch.
Container id: container_1448608832342_0003_02_000001
Exit code: 127
Stack trace: ExitCodeException exitCode=127:
    at org.apache.hadoop.util.Shell.runCommand(Shell.java:545)
    at org.apache.hadoop.util.Shell.run(Shell.java:456)
    at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:722)
    at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:211)
    at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
    at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:745)


Container exited with a non-zero exit code 127
Failing this attempt. Failing the application.
15/11/27 02:52:38 INFO mapreduce.Job: Counters: 0

我正在运行的命令

hadoop jar wordcount.jar org.myorg.WordCount /user/gangadharkadam/input/ /user/gangadharkadam/output/

我的 ENV 变量是-

export   JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home
export HADOOP_HOME=/usr/local/hadoop/hadoop-2.7.1
export HADOOP_MAPRED_HOME=/usr/local/hadoop/hadoop-2.7.1
export HADOOP_COMMON_HOME=/usr/local/hadoop/hadoop-2.7.1
export HADOOP_HDFS_HOME=/usr/local/hadoop/hadoop-2.7.1
export YARN_HOME=/usr/local/hadoop/hadoop-2.7.1
export HADOOP_CONF_DIR=/usr/local/hadoop/hadoop-2.7.1/etc/hadoop
export HADOOP_CLASSPATH=$JAVA_HOME/lib/tools.jar

export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:HADOOP_HOME/sbin:$M2_HOME/bin:$ANT_HOME/bin:$IVY_HOME/bin:$FB_HOME/bin:$MYSQL_HOME/bin:$MYSQL_HOME/lib:$SQOOP_HOME/bin

问题似乎是因为YARN对JAVA可执行文件使用不同的路径,而不是您在操作系统中。“stderr”中失败任务的本地日志显示 - /bin/bash:/bin/java:没有这样的文件或目录

我试图创建一个从$JAVA_HOM/bin/java到/bin/java的软链接,但在El Captian OS X中,但它不允许创建软链接。新的OS X EL Captian具有无根登录名,用户无法在某些受限制的文件夹(如/bin/)上创建任何内容。我们非常感谢有关此问题的任何解决方法。提前致谢。


答案 1

此答案适用于 Hadoop 版本 2.6.0 及更早版本。禁用 SIP 并创建符号链接确实提供了一种解决方法。更好的解决方案是修复,以便它正确拾取您的JAVA_HOMEhadoop-config.sh

在下面查找 if 条件,它设置JAVA_HOMEHADOOP_HOME/libexec/hadoop-config.sh

# Attempt to set JAVA_HOME if it is not set

删除导出JAVA_HOME行中多余的括号,如下所示。更改此项

if [ -x /usr/libexec/java_home ]; then
    export JAVA_HOME=($(/usr/libexec/java_home))
else
    export JAVA_HOME=(/Library/Java/Home)
fi

if [ -x /usr/libexec/java_home ]; then
    // note that the extra parentheses are removed
    export JAVA_HOME=$(/usr/libexec/java_home)
else
    export JAVA_HOME=/Library/Java/Home
fi

进行此更改后,重新启动纱线。

更详细的信息可以在这里找到 https://issues.apache.org/jira/browse/HADOOP-8717,似乎Hadoop 3.0.0-alpha1是第一个带有该修复的版本。


答案 2

开始使用以下命令而不是为我解决此问题。YARN$HADOOP_PREFIX/sbin/start-yarn.sh

$HADOOP_PREFIX/sbin/yarn-daemon.sh start resourcemanager;

$HADOOP_PREFIX/sbin/yarn-daemon.sh start nodemanager;

如以下链接所述

https://issues.apache.org/jira/browse/HADOOP-8717