hadoop2.x中运行job.waitForCompletion(true)总是返回false

[Z-Calar]

hadoop2.x中运行job.waitForCompletion(true)总是返回false，谁能解释下这是为什么啊？
要怎么弄才能修改好程序。

[Z-Calar]

哪位大神帮忙解答下，坐等ing

[Z-Calar]

还是没人回答啊，接着查资料吧··

[Z-Calar]

问题解决了，查看log日志，原来是map 和reduce类没加注解

[GeekIT]

map 和reduce类没加注解,是什么意思，谢谢了

[jianchelang1820]

加注解是怎么回事啊，楼主

[qq_28032361]

你什么都不贴出来，怎么帮你，报错信息啦？

[茹此快乐]

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SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. [org.apache.commons.beanutils.FluentPropertyBeanIntrospector] - Error when creating PropertyDescriptor for public final void org.apache.commons.configuration2.AbstractConfiguration.setProperty(java.lang.String,java.lang.Object)! Ignoring this property. Exception in thread "main" ExitCodeException exitCode=-1073741701: at org.apache.hadoop.util.Shell.runCommand(Shell.java:1009) at org.apache.hadoop.util.Shell.run(Shell.java:902) at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:1227) at org.apache.hadoop.util.Shell.execCommand(Shell.java:1321) at org.apache.hadoop.util.Shell.execCommand(Shell.java:1303) at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:840) at org.apache.hadoop.fs.RawLocalFileSystem.mkOneDirWithMode(RawLocalFileSystem.java:522) at org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:562) at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:534) at org.apache.hadoop.fs.RawLocalFileSystem.mkdirsWithOptionalPermission(RawLocalFileSystem.java:561) at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:539) at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:332) at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:162) at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:113) at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:151) at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1570) at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1567) 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:1729) at org.apache.hadoop.mapreduce.Job.submit(Job.java:1567) at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1588) at wordCount.JobSubmitterToWindows.main(JobSubmitterToWindows.java:47) Disconnected from the target VM, address: '127.0.0.1:61330', transport: 'socket'