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关于关键词 "Java" 的检测结果,共 8
laoliulaoliu | 2017-11-20 17:47:50 | 阅读(10) | 评论(0)
http://blog.csdn.net/Gpwner/article/details/72449082 VMware Workstation12 Pro SecureCRT 7.3 Xftp 5 CentOS-7-x86_64-Everything-1611.iso hadoop-2.8.0.tar.gz jdk-8u121-linux-x64.tar.gz 1 2 3 4 5 6 7 【阅读全文】
bigdataer01 | 2017-06-08 10:53:46 | 阅读(80) | 评论(0)
呆若 | 2016-09-10 15:35:54 | 阅读(180) | 评论(0)
Exception in thread "main" java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative path in absolute URI: ${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D at org.apache.hadoop.fs.Path.initialize(Path.java:205) at org.apache.hadoop.fs.Path.(Path.java:171) at org.apache.hadoop.hive.ql.session.S【阅读全文】
zhaoritian | 2016-03-21 10:41:24 | 阅读(0) | 评论(0)
以前用root用户配置过/etc/profile 解决:打开~/spark/conf/spark-env.sh 加入:export HADOOP_CONF_DIR="/home/zy/hadoop"【阅读全文】
ydx_blog | 2015-06-11 15:33:32 | 阅读(60) | 评论(0)
http://jiangzhengjun.iteye.com/blog/553191 1、java容器类库的简化图,下面是集合类库更加完备的图。包括抽象类和遗留构件(不包括Queue的实现): 2、ArrayList初始化时不可指定容量,如果以new ArrayList()方式创建时,初始容量为10个;如果以new ArrayList(Collection c)初始化时,容量为c.size()*1.1,即增加10%的容【阅读全文】
ydx_blog | 2015-05-14 18:14:58 | 阅读(0) | 评论(0)
http://zhidao.baidu.com/link?url=jiGNeYrympUL6lIwJfp2hTRdtsHAT-HG-bNf_8E_czDHkPwHUQltXi5supRYdxjA166Klxj_ND4wBV7yaZlKza 有一个以字符串形式的16进制的数,比如String a=53c015,怎么转成16进制的数字?是用int类型保存吗? 临时写的 public class test { public static void main(String[] args) { String a = "53c015"; 【阅读全文】
speckle | 2015-05-09 17:50:14 | 阅读(750) | 评论(0)
最近把集群spark版本从1.2升级到了1.3.1,运行完任务后,在master ui 界面查看日志,一直显示Application history not found Application xxx is still in progress。查看任务日志,发现有以下异常: ERROR scheduler.LiveListenerBus: Listener EventLoggingListener threw an exception java.lang.reflect.InvocationTargetException 【阅读全文】
levy-linux | 2015-04-09 00:39:39 | 阅读(240) | 评论(0)
清洗数据写好代码后,运行报错: ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker because java.io.IOException: Failed to set permissions of path: \tmp\hadoop-****** to 0700 at org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:682) at org.apache.hadoop.fs.FileUtil.setPermission(Fi【阅读全文】