idea hibernate console 执行hql报错

报错信息 hql> select a from GDXMZD a[2019-08-29 13:45:01] org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment][2019-08-29 13:45:01] java.lang.RuntimeException: org.hibernate.Hi…

HQL语句中数据类型转换，及hibernate中createQuery执行hql报错

一.HQL语句中数据类型转换: 我们需要从数据库中取出序号最大的记录,想到的方法就是使用order by子句进行排序(desc倒序),然后取出第一个对象,可是当初设计数据库时(我们是在原来的数据库的基础上开发新系统),竟然将序号字段的类型设成了varchar2,真是让人郁闷,这样的话,如果排序的话,就是对字符串排序,12是比2小的数,那么就需要转换一下类型. 以下写法调整中是错误的,不能执行,报空指针错误:select cast(t.a as Integer) from table_1 t 我也…

SSH执行hql报错：Caused by: org.hibernate.hql.ast.QuerySyntaxException: user is not mapped [from user where username = ?]

报错信息: ERROR Dispatcher:38 - Exception occurred during processing request: user is not mapped [from user where username = ?]; nested exception is org.hibernate.hql.ast.QuerySyntaxException: user is not mapped [from user where username = ?]org.springfr…

Jenkins执行selenium报错unknown error: cannot find Chrome binary

问题描述:在Pycharm中执行selenium测试用例,可以正常运行, 集成在Jenkins中,构建时,发现构建成功,但是查看Console Output,报错:unknown error: cannot find Chrome binary 原因是找不到Chrome浏览器,缺少Chrome.exe环境变量配置. 解决方法: 配置构建执行状态: 1.回到 Jenkins 首页,点击 “构建执行状态”或“Build Executor Status” ,右则会列出本机信息. 2.点击本机设置按钮,…

执行spark-shell报错：

执行spark-shell报错: [ERROR] Terminal initialization failed; falling back to unsupportedjava.lang.NoClassDefFoundError: Could not initialize class scala.tools.fusesource_embedded.jansi.internal.Kernel32 at scala.tools.fusesource_embedded.jansi.internal.W…

执行mysqld_safe报错:mysqld does not exist or is not executable

执行mysqld_safe报错: [root@edu data]# /usr/local/mysql5.7/bin/mysqld_safe --user=mysql160427 12:41:28 mysqld_safe Logging to '/renqinglei/mysql/log/mysql_error.log'.160427 12:41:28 mysqld_safe The file /usr/local/mysql/bin/mysqlddoes not exist or is not…

数据库执行sql报错Got a packet bigger than 'max_allowed_packet' bytes及重启mysql

准备在mysql上使用数据库A,但mysql5经过重装后,上面的数据库已丢失,只得通过之前备份的A.sql重新生成数据库A. 1.执行sql报错在执行A.sql的过程中,出现如下错误:Got a packet bigger than 'max_allowed_packet' bytes. 谷歌解释说是因为要导入数据库超过了系统限制, 解决办法是在打开mysql的配置文件中my.ini,在[mysqld]后加入配置:max_allowed_packet=100M(如果已存在该配置,直接修改其值…

selenium执行js报错

selenium执行js报错 Traceback (most recent call last): dr.execute_script(js) File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 397, in execute_script {'script': script, 'args':converted_args})['value'] File &qu…

mysql执行update报错1175解决方法

mysql执行update报错 update library set status=true where 1=1 Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column To disable safe mode, toggle the option in Preferences -> SQL Queries and…

转 sqlplus执行sql报错：ORA-01756:

1.sqlplus执行sql报错:ORA-01756: quoted string not properly terminated 分类: 技术在SQLPLUS中执行SQL文件时发生错误:ORA-01756: quoted string not properly terminated 但是SQL其实是没有问题的,找了很多原因,发现可能是由于使用TOAD导出SQL insert语句,编码集的问题导致的. 首先在.bash_prof…

js执行函数报错Cannot set property 'value' of null怎么解决？

js执行函数报错Cannot set property 'value' of null 的解决方案: 原因:dom还没有完全加载第一步:所以js建议放在body下面执行, 第二步:window.onload就能放在head头部执行.…

dotnetcore ef 调用多个数据库时用户命令执行操作报错

dotnetcore ef 调用多个数据库时用户命令执行操作报错 1.多个DbContext 时报错: 报错: More than one DbContext was found. Specify which one to use. Use the '-Context' parameter for PowerShell commands and the '--context' parameter for dotnet commands. 解决办法: dotnet ef migrations ad…

mysql执行update报错 Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY

mysql执行update报错 Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY 今天开发的同事发来如下错误信息,最最简单的一个update操作,竟然报了[Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY.具体sql语句为: [SQL]UPDATE draw_record SET open_price = '6945.98', buy_p…

【Selenium】【BugList4】执行pip报错：Fatal error in launcher: Unable to create process using '""D:\Program Files\Python36\python.exe"" "D:\Program Files\Python36\Scripts\pip.exe" '

环境信息: python版本:V3.6.4 安装路径:D:\Program Files\python36 环境变量PATH:D:\Program Files\Python36;D:\Program Files\Python36\Scripts; 问题描述:命令行执行pip报错解决方法: 1.切换到D:\Program Files\Python36\Scripts 2.执行python pip.exe install SomePackage进行安装 3.安装成功后执行pip仍报错 4.查看安装成…

idea执行mapreduce报错 Could not locate Hadoop executable: C:\hadoop-3.1.1\bin\winutils.exe

window执行mapreduce报错 Exception in thread "main" java.lang.RuntimeException: java.io.FileNotFoundException: Could not locate Hadoop executable: C:\hadoop-3.1.1\bin\winutils.exe -see https://wiki.apache.org/hadoop/WindowsProblems at org.apache.hado…

执行存储过程报错——ora-01031:权限不足

1. 执行DDL报错在oracle存储过程中,默认是可以直接执行DML和DQL的,但是执行CREATE这种的DDL则需要借助EXECUTE IMMEDIATE ···了,如下备份表语句 --抄表表备份 SELECT TO_CHAR(SYSDATE,'YYMMDD') INTO V_DQRQ FROM DUAL; V_CREATESQL := 'CREATE TABLE SF_EBZCB'||V_DQRQ||'_T AS SELECT * FROM SF_EBZCB_T'; EXECUTE IM…

oracle脚本执行多条语句报错

情况一: create table edu_group_parent ( group_id ) primary key not null, group_name ), group_url ), group_point ), group_price ), pay_instruct ), group_suggest ), web_image_url ), app_image_url ), user_scope ), state ), create_user ), create_time date )…

Oracle执行存储过程报错——ora-01031:权限不足

执行DDL报错在oracle存储过程中,默认是可以直接执行DML和DQL的,但是执行CREATE这种的DDL则需要借助EXECUTE IMMEDIATE 如: create or replace procedure CREATE_TABLE(CREATE_SQL VARCHAR2) IS BEGIN EXECUTE IMMEDIATE CREATE_SQL; --'CREATE TABLE T_CREATE_TABLE_1(COLUMN_1 VARCHAR2(50))' end CREATE_…

SVN 执行cleanup报错：Cleanup failed to process the following paths

SVN 执行cleanup报错:Cleanup failed to process the following paths 先来说下这个错误的原因:用SVN在使用过程中,各种原因中途取消或中断,导致需要执行cleanup,但是由于上次操作未完成,在.svn/wc.db中的work_queue表中记录了SVN的工作队列,所以在执行cleanup时就报错了. 解决方法:清空.svn/wc.db中的work_queue表中的工作队列,让SVN没有”Previous operation(上一个操作的信息…

php源码安装执行configure报错error: off_t undefined; check your library configuration

php安装执行configure报错error: off_t undefined; check your library configuration vim /etc/ld.so.conf 添加如下几行 /usr/local/lib64 /usr/local/lib /usr/lib /usr/lib64 #保存退出 :wq ldconfig -v # 使之生效…

阿里云服务执行mysql_install_db报错

问题描述:阿里云服务执行mysql_install_db报错解决方案:安装autoconf库(yum -y install autoconf)然后在执行:mysql_install_db就会出现这样,说明执行成功了.整个MySQL安装参照博文:Linux系统安装常用开发软件…

semantic-ui使用gulp执行build-css报错

1.执行gulp build-css报错 [09:40:49] Starting 'build-css'... Building CSS Potentially unhandled rejection [2] TypeError: Cannot call method 'match' of und efined at DestroyableTransform.module.exports.settings.plumber.less.errorHandler (E :\devtools\nodej…