解决sqoop报错:java.lang.OutOfMemoryError: Java heap space
报错栈:
-- ::, INFO [main] org.apache.sqoop.mapreduce.db.DBRecordReader: Executing query: select "CTJX60","CTJX61","CTJX62","CTJX63","CTJX64","CTJX65","CTJX66","CTJX67","CTJX68","CTJX69","CTJX70","CTJX71","CTJX72","CTJX73","CTJX74","CTJX75","CTJX76","CTJX77","CTJX78","CTJX79","CTJX80","CTJX81","CTJX82","CTJX83","CTJX84","CTJX85","CTJX86","CTJX87","CTJX88","CTJX89","CTJX90","CTJX91","CTJX92","CTJX93","CTJX94","CTJX95","CTJX96","CTJX97","CTJX98","CTJX99","CTJX55","IID","IEXAM_IID","CTSBGLX","CTJX01","CTJX02","CTJX03","CTJX04","CTJX05","CTJX06","CTJX07","CTJX08","CTJX09","CTJX10","CTJX11","CTJX12","CTJX13","CTJX14","CTJX15","CTJX16","CTJX17","CTJX18","CTJX19","CTJX20","CTJX21","CTJX22","CTJX23","CTJX24","CTJX25","CTJX26","CTJX27","CTJX28","CTJX29","CTJX30","CTJX31","CTJX32","CTJX33","CTJX34","CTJX35","CTJX36","CTJX37","CTJX38","CTJX39","CTJX40","CTJX41","CTJX42","CTJX43","CTJX44","CTJX45","CTJX46","CTJX47","CTJX48","CTJX49","CTJX50","CTJX51","CTJX52","CTJX53","CTJX54","CTJX56","CTJX57","CTJX58","CTJX59" from RIS."ICNRIS_UIS_EXAM_TJX" tbl where ( = ) AND ( = )
-- ::, INFO [Thread-] org.apache.sqoop.mapreduce.AutoProgressMapper: Auto-progress thread is finished. keepGoing=false
-- ::, FATAL [main] org.apache.hadoop.mapred.YarnChild: Error running child : java.lang.OutOfMemoryError: Java heap space
at oracle.jdbc.driver.OracleStatement.prepareAccessors(OracleStatement.java:)
at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:)
at oracle.jdbc.driver.T4CPreparedStatement.executeMaybeDescribe(T4CPreparedStatement.java:)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:)
at org.apache.sqoop.mapreduce.db.DBRecordReader.executeQuery(DBRecordReader.java:)
at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:)
at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:)
at org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:)
at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:)
at org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:)
at org.apache.hadoop.mapred.YarnChild$.run(YarnChild.java:)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:)

ps: 调大mapper参数不管用,曾设置过参数:-D mapreduce.map.memory.mb=8192 -D yarn.app.mapreduce.am.resource.mb=6144。问题是在从db fetch数据的时候出现的,原表的列不算多,但每个列的长度很大:
解决sqoop报错:java.lang.OutOfMemoryError: Java heap space的更多相关文章
- 排查sqoop报错:Error running child : java.lang.OutOfMemoryError: Java heap space
报错栈: -- ::, INFO [main] org.apache.hadoop.mapred.MapTask: Processing split: = AND = -- ::, INFO [mai ...
- 【Xamarin报错】 COMPILETODALVIK : UNEXPECTED TOP-LEVEL error java.lang.OutOfMemoryError: Java heap space
Xamarin Android 编译报错: COMPILETODALVIK : UNEXPECTED TOP-LEVEL error java.lang.OutOfMemoryError: Java ...
- Tomcat报java.lang.OutOfMemoryError: Java heap space错误停止运行如何解决
最近开发的一个商业项目,部署完成后,经常出现Tomcat挂掉的现象,报的异常是:java.lang.OutOfMemoryError: Java heap space,上网google了一下,了解了一 ...
- Tomcat 启动项目报错 java.lang.OutOfMemoryError: Java heap space
近日使用myeclipse 部署web项目,启动tomcat时报错: SEVERE: Error waiting for multi-thread deployment of directories ...
- Linux运行Java出现“Exception in thread "main" java.lang.OutOfMemoryError: Java heap space”报错
在运行如下程序时出现“Exception in thread "main" java.lang.OutOfMemoryError: Java heap space”报错: java ...
- eclipse内存溢出报错:java.lang.OutOfMemoryError:Java heap space
今天执行了一个比較大的程序,处理的数据达到126MB数据,将数据导入数据库中,用eclipse 来訪问时候,总是出现java.lang.OutOfMemoryError:Java heap space ...
- mycat 报错 java.lang.OutOfMemoryError: Java heap space
今天排查mysql的错误日志发现 wrapper.log 中有如下错误日志 INFO | jvm 1 | 2019/10/20 12:52:31 | java.lang.OutOfMem ...
- 解决eclipse maven install 造成JVM 内存溢出(java.lang.OutOfMemoryError: Java heap space)
maven install 报错信息: The system is out of resources.Consult the following stack trace for details.jav ...
- JMeter内存溢出:java.lang.OutOfMemoryError: Java heap space解决方法
一.问题原因 用JMeter压测,有时候当模拟并发请求较大或者脚本运行时间较长时,JMeter会停止,报OOM(内存溢出)错误. 原因是JMeter是一个纯Java开发的工具,内存由java虚拟机JV ...
随机推荐
- jquery选择里存在特殊字符,需要加双转义字符
//元素为:<input type="checkbox" value="abc/index" /> //处理选择器转义问题 //去除值 $val = ...
- atomikos + druid 连接超时失效
atomikos + druid 连接超时失效,需要多次连接才能成功. 首次连接会报异常: 2018-01-08 16:58:12 DEBUG [com.jpcar.model.dao.jpcar.A ...
- 请爱护你的JTAG烧录口---记录
排除了下载线的问题后,还是不能访问FPGA的JTAG口,那么很有可能你的FPGA芯片的JTAG口已经损坏.此时请用万用表检查TCK,TMS,TDO和Tdi是否和GND短路,如果任何一个信号对地 ...
- poi类包对比
- C#语法浮点型字面量
C#语法浮点型字面量 小数是生活中经常使用的一种数据表示形式.我们日常使用的5.5.0.6都是小数.在编程语言中,这种数据表示方式被称为浮点型数.浮点型数由整数部分.小数部分和小数点组成.浮点型字面量 ...
- python opencv3 检测人
git:https://github.com/linyi0604/Computer-Vision # coding:utf-8 import cv2 # 检测i方框 包含o方框 def is_insi ...
- luogu4770 [NOI2018]你的名字 后缀自动机 + 线段树合并
其实很水的一道题吧.... 题意是:每次给定一个串\(T\)以及\(l, r\),询问有多少个字符串\(s\)满足,\(s\)是\(T\)的子串,但不是\(S[l .. r]\)的子串 统计\(T\) ...
- ZOJ2112 BZOJ1901 Dynamic Rankings 树套树 带修改的区间第k小
http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2112 树套树,线段树套splay或者主席树套树状数组,我抄了一下hzwer ...
- 转 MySQL连接超时
在负载较重的MySQL服务器上,有时你偶尔会看到一些连接超时的错误,诸如: Can’t connect to MySQL server on ‘mydb’(110).如果当时你有多个连接请求,你会发现 ...
- XP下安装Centos 6.4 双系统 :Linux系统分区及挂载点,关键引导程序启动设置
一.关于Linux的分区情况 虽然硬盘分区表中最多能存储四个分区,但我们实际使用时一般只分为两个分区,一个是主分区(Primary Partion)一个是扩展分区(extended partition ...