sqoop 常见错误以及处理方式
Oracle: Connection Reset Errors
错误代码：
11/05/26 16:23:47 INFO mapred.JobClient: Task Id : attempt_201105261333_0002_m_000002_0, Status : FAILED
java.lang.RuntimeException: java.lang.RuntimeException: ...
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class file has wrong version 50.0, should be 49.0
编译的时候，发生如下错误：
class file has wrong version 50.0, should be 49.0
究其原因：
由于引入的第三方jar包的编译器版本与当前编译器版本不一致造成。
这个类是在JDK1.6的环境下编译的，把他放在JDK1.5环境的服务器下发生以上错误，只要将这个类重新在JDK1.5环境下编译就可以了
解决方案:
查看服务器JDK 的版本：
java –...
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java.io.IOException: invalid header field
Tomcat启动时出现以下错误：
24-May-2015 14:15:47.703 SEVERE [localhost-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start:
org.apache.catalina.LifecycleExcep...
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JPA @ManyToMany java.lang.StackOverflowError: null
JPA 懒加载的一个坑 大神可绕路
package com.liuzm.controller;
import com.liuzm.entity.UacRole;
import com.liuzm.entity.UacUser;
import com.liuzm.service.UacUserService;
import org.springframework.web.bind.ann...
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ssh 整合TOMCAT启动遇到错误
信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Java\jdk1.5.0_18\bin;.;C:\WINDOWS\system32;C:\WINDOWS;C:/Ja...
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hive Illegal Operation state transition from CLOSED to ERROR的处理
异常堆栈如下：
2015-11-24 16:49:11,495 ERROR org.apache.hive.service.cli.operation.Operation: Error running hive query:org.apache.hive.service.cli.HiveSQLException: Illegal Operation state transition from C...
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Ibatis的bug
Spring整合Ibatis的时候，出现如下异常：
Exception in thread "main" java.lang.ExceptionInInitializerError
at com.ibatis.common.SqlMapConfig.getIntance(SqlMapConfig.java:53)
at com.ibatis.dao.impl.pt_NameDaoImpl....
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【异常处理】Invalid character found in method name. HTTP method names must be tokens
一、异常详细信息
java.lang.IllegalArgumentException: Invalid character found in method name. HTTP method names must be tokens
at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBu...
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html><head><meta http-equiv="Cont
异常堆栈如下：
2015-11-24 16:49:11,495 ERROR org.apache.hive.service.cli.operation.Operation: Error running hive query:org.apache.hive.service.cli.HiveSQLException: Illegal Operation state transition from C...
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eclipse 中 Unable to load configuration. - action - file:/C:/Program%20Files/apache-tomcat-7.0.5/webapps/ch02/WEB-INF/classes/struts.xml:7:76
Unable to load configuration. - action - file:/D:/Program%20Files/apache-tomcat-6.0.26/webapps/LearnStruts2_1200/WEB-INF/classes/struts.xml:31:30
at com.opensymphony.xwork2.config.ConfigurationManage...
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