默认情况下,hadoop官方发布的二进制包是不包含native库的,native库是用C++实现的,用于进行一些CPU密集型计算,如压缩.比如apache kylin在进行预计算时为了减少预计算的数据占用的磁盘空间,可以配置使用压缩格式. 默认情况下,启动spark-shell,会有无法加载native库的警告: 19/02/14 09:55:41 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your
1.错误描写叙述 ReferenceError: Error #1069: 在 spark.components.RadioButtonGroup 上找不到属性 label,且没有默认值. at Chart/radiogroup_itemClickHandler()[E:\Flash Builder\Map\src\Chart.mxml:49] at Chart/__radiogroup_itemClick()[E:\Flash Builder\Map\src\Chart.mxml:58] at
Exception: Caused by: org.datanucleus.exceptions.NucleusException: Attempt to invoke the "BoneCP" plugin to create a ConnectionPool gave an error : The specified datastore driver ("com.mysql.jdbc.Driver") was not found in the CLASSPATH
问题描述1 使用spark-shell ,sc.textFile("hdfs://test02.com:8020/tmp/w").count 出现如下异常: java.lang.RuntimeException: Error in configuring object at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109) at org.apache.hadoop.util.Refle