1.错误描述:在对数据库进行操作时,控制台报错:java.sql.SQLException: Invalid value for getInt() :2.错误原因:数据库中表的字段的类型与实体类中属性的类型不一致3.解决方法:实体类中属性的类型应与数据库中表的字段的类型一致.例如:数据库表中字段类型为varchar,则实体类中应为String…
Mysql报错java.sql.SQLException:null,message from server:"Host '27,45,38,132' is not allowed to connect 远程连接mysql数据库,出现异常: null,message from server:"Host '27,45,38,132' is not allowed to connect 解决方案: 原因是:远程服务器不允许你访问它的数据库.所以,我们要对远程服务器进行设置,使它允许你进行连接…
报错:java.sql.SQLException: The server time zone value '�й���ʱ��' is unrecognized 在IDEA运行是报出例如相识的错误时: java.sql.SQLException: The server time zone value '�й���ʱ��' is unrecognized or represents more than one time zone. You must configure either the se…
1.错误描述 java.sql.SQLException:Invalid value for getInt()-'zhangsan' 2.错误原因 在遍历打印查询结果时,rs.getInt(3),而在数据库中对应的该字段却是varchar类型,Java端和数据库表中的数据类型不一致,导致出错 3.解决办法 将"rs.getInt(3)"修改成" rs.getString(3)"…
今天连接mysql数据库报错如下: java.sql.SQLException: The server time zone value '�й���ʱ��' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more s…
报错内容: java.sql.SQLException: The server time zone value '�й���ʱ��' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time…
运行项目报错 Error querying database. Cause: java.sql.SQLException: No suitable driver found for http://www.example.com org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLException: No suitable driver found f…
异常:java.sql.SQLException: Before start of result set 解决方法:使用rs.getString();前一定要加上rs.next(); sm = conn.createStatement(); ResultSet rs = null; String sql_max = "SELECT id FROM a WHERE name= '" + name + "' ORDER BY online_time DESC LIMIT 1&qu…
idea java.sql.SQLException: Connections could not be acquired from the underlying database! 转载自:https://blog.csdn.net/iXinRu/article/details/82624112 把c3p0-config.xml放到resources下面即可…
报错信息: 2017-09-22 15:17:37,204 WARN [org.hibernate.cfg.SettingsFactory] - Could not obtain connection to query metadatajava.sql.SQLException: ORA-28040: 没有匹配的验证协议 at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:439) at oracle.jdbc.drive…
报错信息: 2017-09-22 15:40:07,354 WARN [org.hibernate.cfg.SettingsFactory] - Could not obtain connection to query metadatajava.sql.SQLException: ORA-01017: 用户名/口令无效; 登录被拒绝 at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:439) at oracle.jdbc…
在使用eclipse连接mysql数据库时报异常: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609) at com.my…
错误原因 c3p0的配置错误 错误显示 -classpath "D:\Program\Software\IntelliJIDEA\IntelliJ IDEA 2018.2.5\lib\idea_rt.jar;D:\Program\Software\IntelliJIDEA\IntelliJ IDEA 2018.2.5\plugins\junit\lib\junit-rt.jar;D:\Program\Software\IntelliJIDEA\IntelliJ IDEA 2018.2.5\plu…
前两天在开发中遇到一个坑,本来我在快乐的做着增删改查,然后悲剧发生了,在查询数据库的过程中,报了java.sql.SQLSyntaxErrorException: 经过排查,是因为数据库表字段中存在关键字: 下面重点来了,我用的是mybatis-plus,我的解决方案如下: 在这个字段上增加@TableField(value="`key`")注解即可,用``将字段包起来,是英文半角状态下的数字1前面的那个符号. 再运行起来就没问题啦 one more thing: 1.如果你用的是jp…
报错: Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986-- 错误原因: 当在浏览器中访问时…
解决过程: 查看mysql的事物隔离级别 SHOW VARIABLES LIKE '%iso%'; 返回结果: REPEATABLE-READ 把这个改成:READ-COMMITTED 就好了: SET GLOBAL tx_isolation='READ-COMMITTED'; (记得java重启应用,要永久生效的就改my.ini配置文件) 问题分析: 当数据库隔离级别为REPEATABLE-READ时,查询一个select语句也算是事物的开始,而且在hibernate里会把以select语句开…
1.问题描述 今天使用Android系统的DownloadManager进行下载操作时,爆了如下所示的错误: java.lang.RuntimeException: Unable to start service com.xtc.fm.qingting.services.QingtingFmDownloadService2@1b97b060 with Intent { act=com.xtc.fm.qingting.FM_DOWNLOAD_SERVICE_START pkg=com.xtc.fm…