在hadoop中执行jar时，出现以下错误：
16/11/04 18:32:59 INFO mapreduce.Job: Task Id : attempt_1478261728730_0005_m_000000_2, Status : FAILED
Exception from container-launch.
Container id: container_1478261728730_0005_01_000004
Exit code: 1
Stack trace: ExitCodeException exitCode=1:
at org.apache.hadoop.util.Shell.runCommand(Shell.java:538)
at org.apache.hadoop.util.Shell.run(Shell.java:455)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:715)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:211)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Container exited with a non-zero exit code 1
16/11/04 18:33:09 INFO mapreduce.Job: map 100% reduce 0%这是应用程序日志：
Native code library failed to load.
java.lang.UnsatisfiedLinkError: no opencv_java2411 in java.library.pathopencv_java2411我不知道这是什么意思，有人能帮忙吗？
1条答案
按热度按时间ljo96ir51#
群集节点上缺少opencv。有关如何处理此问题的所有详细信息，请参见此处。
长话短说，您需要在执行器上安装opencv。你真的不能把它编译成你的工作
.jar因为它是C而不是java代码。更新：注意hadoop执行器上的环境是由hadoop-env.sh设置的。所以它需要包含这样一行：
JAVA_LIBRARY_PATH=${JAVA_LIBRARY_PATH}:/etc/opencv/lib