写完Mapper后，AJ项目运行报错nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML.百度翻译：嵌套的异常是org.apache.ibatis.builder.builderException:分析映射器XML时出错。解决方法：参考https://blog.csdn.net/weixin_39881983/article/details/88324706尝试解决： 1：说是mybatis的MapperScan和通用mapper的MapperScan，查看了自己项目的注解，发现application上有@MapperScan,并...
The type org.apache.commons.lang.exception.NestableRuntimeException cannot be resolved. It is indire引入以下jar包问题解决。commons-beanutils-1.7.0.jarcommons-lang-2.4.jar如果没解决，试着引入 ezmorph-1.0.2.jar json-lib-1.1-jdk15.jar原文：http://blog.csdn.net/wyx100/article/details/46125279
原先使用hadoop默认设置（hadoop1.2.1），secondarynamenode会正常进行备份，定时从namenode拷贝image文件到SNN。但是具体SNN备份的时间周期和log文件的大小无法定制，后来楼主就修改了SNN的设置，将fs.checkpoint.period修改为3600s,fs.checkpoint.size修改为64兆。在core-site.xml配置文件中添加这两个参数之后，却发现SNN总是无法备份。后来google查找发现还是配置文件没有配置完整造成的，修改配置文件core-site.xml 和hdfs-si...
在window上编程提示没有写Hadoop的权限 Exception in thread "main" org.apache.hadoop.security.AccessControlException: Permission denied: user=Mypc, access=WRITE, inode="/":fan:supergroup:drwxr-xr-x 曾经踩过的坑： 保存结果到hdfs上没有写的权限* 通过修改权限将文件写入到指定的目录下* * $HADOOP_HOME/bin/hdfs dfs -mkdir /output* $HADOOP_HOME/bin/hdfs dfs -chmod 777...
使用MapReduce编写的中文分词程序出现了 Exception from container-launch: org.apache.hadoop.util.Shell$ExitCodeException: 这样的问题如图：上网查了好多资料，才明白这是hadoop本身的问题，具体参考：https://issues.apache.org/jira/browse/YARN-1298https://issues.apache.org/jira/browse/MAPREDUCE-5655解决办法是重新编译hadoop具体参考：http://zy19982004.iteye.com/blog/2031172版权声明：本文为博主原创文章，未经博...
七月 17, 2014 4:56:01 下午 org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [dispatcher] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:
### Error querying database. Cause: org.springframework.jdbc.Cann...
spark1（默认CDH自带版本）不存在这个问题，主要是升级了spark2（CDHparcel升级）版本安装后需要依赖到spark1的旧配置去读取hadoop集群的依赖包。1./etc/spark2/conf目录需要指向/hadoop1/cloudera-manager/parcel-repo/SPARK2-2.1.0.cloudera1-1.cdh5.7.0.p0.120904/etc/spark2/conf.dist （命令ln -s /hadoop1/cloudera-manager/parcel-repo/SPARK2-2.1.0.cloudera1-1.cdh5.7.0.p0.120904/etc/spark2/conf.dist /etc/spark2/conf...
今天启动项目控制台报错： [DEBUG]-[Thread: main-SendThread(192.168.1.45:2181)]-[org.apache.zookeeper.ClientCnxnSocketNIO.cleanup()]: Ignoring exception during shutdown output 找了半天发现因为我们公司停电了，ip被重置了。呵呵呵呵原文：http://www.cnblogs.com/lele88lala/p/4901354.html
报错信息：Could not open JDBC Connection for transaction; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Could not create connection to database server.)问题来源mysql-connecter-java 版本过低 如果你mysql的版本是mysql 8.0+ 而你的mysql-connecter-java 为5.x.x的时候就会报错这个错误 所以如果你是maven环境 更换如下版本 还要更换数据库连接配置<!-- ht...
1.检查项目的全局编码，是否为统一的utf-8 2.配置下的dubbo.xml文件，<beans>中的内容不为<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">而是更改为<beans xmlns="http://www.springframework.org/schema/bea...
org.apache.jasper.JasperException: An exception occurred processing JSP page [/index.jsp] at line [69]66: <div class="card" style="width: 18rem;">67: <img src="${bean.rimage}" class="card-img-top" alt="...">68: <div class="card-body">69: <h5 class="card-title">${bean.rname}</h5>70: <p class="card-text">${bean.routeIntroduce}</p>71: <a href="#" class="btn btn-primary...
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在window上编程提示没有写Hadoop的权限
Exception in thread "main" org.apache.hadoop.security.AccessControlException: Permission denied: user=Mypc, access=WRITE, inode="/":fan:supergroup:drwxr-xr-x
曾经踩过的坑： 保存结果到hdfs上没有写的权限* 通过修改权限将文件写入到指定的目录下* * $HADOOP_HOME/bin/hdfs dfs -mkdir /output* $HADOOP_HOME/bin/hdfs dfs -chmod 777 /outpu...
保存文件时权限被拒绝 曾经踩过的坑： 保存结果到hdfs上没有写的权限 通过修改权限将文件写入到指定的目录下 * * * $HADOOP_HOME/bin/hdfs dfs -chmod 777 /user * * * Exception in thread "main" org.apache.hadoop.security.AccessControlException: * Permission denied: user=Mypc, access=WRITE, * inode="/":fan:supergroup:drwxr-xr-xpackage cn.spark.study.sql;import org.apache.spark.SparkConf;
im...
错误：
Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Communications link failure
Last packet sent to the server was 0 ms ago.)
解决方法：1、注意驱动包是否正确 驱动类的名字：oracle.jdbc.driver.OracleDriver 2、JDBC URL：jdbc:or...