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这种方式的话,顾名思义,就是说,将散落在集群中各个机器上的日志,最后都给聚合起来,让我们可以统一查看 如果打开了日志聚合的选项,即yarn.log-aggregation-enable,container的日志会拷贝到hdfs上去,并从机器中删除 对于这种情... 阅读全文
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报错内容:ERROR deploy.ClientEndpoint: Exception from cluster was: java.io.FileNotFoundException: /usr/log_data/java/spark-project-0.0.... 阅读全文
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Initial job has not accepted any resources; check your cluster UI to ensure that workers are registered and have sufficient resour... 阅读全文
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1、首先测试下是不是hosts问题 打开hosts: 1、在hosts添加输入127.0.0.1 www.baidu.com 2、打开 www.baidu.com,是不是进不去了 3、注释掉刚才hosts修改,# 127.0.0.1 www.baidu.co... 阅读全文
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错误提示:Caused by: org.datanucleus.exceptions.NucleusException: Attempt to invoke the "DBCP" plugin to create a ConnectionPool gave a... 阅读全文
SPARK The root scratch dir: /tmp/hive-grip on HDFS should be writable. Current permissions are: rwxr
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错误提示:ERROR scheduler.JobScheduler: Error running job streaming job 1532317741000 ms.0 java.lang.RuntimeException: java.lang.Runtim... 阅读全文
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错误提示:Attempt to invoke the "DBCP" plugin to create a ConnectionPool gave an error 将$HIVE_HOME/conf/hive-site.xml拷贝至$SPARK_HOME/c... 阅读全文
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yum install ntpdate root用户更新时间:ntpdate -u ntp.api.bz 修改时间:date -s 阅读全文
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既然出现报错的几个dbf文件已经不用,则解决办法相对简单,只要将对应的数据文件删除,并继续删除对应新增的表空间即可。操作过程如下: SQL> shutdown immediate; SQL> startup mount; SQL> select file... 阅读全文
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错误详情:egalArgumentException: System memory 259522560 must be at least 471859200. Please increase heap size using the --driver-memor... 阅读全文