#must

JDBC操作MySQL出现:This result set must come from a statement that was created with a result set type of ResultSet.CONCUR_UPDATABLE, ...的问题解决

错误如下:ThisresultsetmustcomefromastatementthatwascreatedwitharesultsettypeofResultSet.CONCUR_UPDATABLE,thequerymustselectonlyonetable,cannotusefunctionsandmustsel...

spring boot 启动报:Composite-id class must implement Serializable: xxx错误

在对springboot项目进行修改后,重新启动时报如下错误:Composite-idclassmustimplementSerializable:xxxxxx为具体的类找到xxx类,查看是否定义了多个@Id,如下图:如果该实体类对应的表只有一个主键,即图中的id,把linkName上面的@Id注解删除即可,重新启动就...

apache启动服务报错ServerRoot must be a valid directory

【现象】D:apacheApache24in>httpd-kinstallInstallingthe'Apache2.4'serviceThe'Apache2.4'serviceissuccessfullyinstalled.Testinghttpd.conf....Errorsreportedheremust...

MySQL root账户密码设为“root”后执行命令提示ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

修改root账户密码为“root”后,提示ERROR1820(HY000):YoumustresetyourpasswordusingALTERUSERstatementbeforeexecutingthisstatement.MySQL5.7加强了安全保障,以上意思是密码不符合安全策略要求,我们输入一个8位或以上长度...

关于YII框架Response content must not be an array的解决方法

 publicfunctionactionGet_permissions(){Yii::$app->response->format=yiiwebResponse::FORMAT_JSON;returnAuth_Item::find()->where(['owner_user_id'=>...

子类继承父类时JVM报出Error:Implicit super constructor People() is undefined for default constructor. Must define an explicit constructor

当子类继承父类的时候,若父类没有定义带参的构造方法,则子类可以继承父类的默认构造方法当父类中定义了带参的构造方法,子类必须显式的调用父类的构造方法若此时,子类还想调用父类的默认构造方法,必须在父类中明确声明默认的构造方法1packagecom.gaohui;23publicclassTest{4publicstatic...

LVM挂载失败mount: you must specify the filesystem type

因意外原因导致机器重启,机器起来后发现磁盘挂载没有了,挂载,结果报错[root@all/]#mount/dev/hdc2/mnt/cdrommount:youmustspecifythefilesystemtype解决办法:1.先用vgscan2.vgchange-ay3.lvscan4.mount到第三步的时候如果正...
代码星球 ·2021-01-23

ERROR 1820 (HY000): You must SET PASSWORD before executing this statement

重新设置一次密码 mysql>setpassword=password('root');QueryOK,0rowsaffected(0.00sec)...
代码星球 ·2021-01-23

根本上解决npm install 报错“ajv-keywords@3.4.0 requires a peer of ajv@^6.9.1 but none is installed. You must install peer dependencies yourself.“

每次项目npminstall的时候都报这个错误, 然后网上找的方法就把这个ajv重新安装下,感觉有点麻烦,后来有次我把npm更新了一下(我的版本是:6.1.0),更新到了最新版本,这个问题就咋也没出现过了,原来是npm版本的问题。查看自己的npm版本: npm-v 更新本机的npm到最新版...

The magic method __set() must have public visibility and cannot be static in

错误信息就是这个:Themagicmethod__set()musthavepublicvisibilityandcannotbestatic 最佳答案 __set必须是public访问权限.并且不能定义成静态方法.把private改成public即可....
代码星球 ·2020-12-19

Application package 'AndroidManifest.xml' must have a minimum of 2 segments.

看了源码就是packagename里面必须包含一个.源码在:./sdk/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/PreCompilerBuilder.java:...

VOA学习-South Sudan Must Allow Aid

SouthSudanMustAllowAidTheUnitedStatesisgravelyconcernedbytheseriousescalationofthehumanitariancrisisinPiborCountyinSouthSudan'sJongleiState.Asmanyas120,000civil...

The reference to entity "characterEncoding" must end with the ';'

在配置数据库连接池数据源时,本来没有错误,结果加上编码转换格式后eclipse突然报错:这是怎么回事?经过查询,发现这个错误其实很好解决。首先,原因是:.xml文件中‘&’字符需要进行转义!!!看到这里,其实已经恍然大悟,那么,这个字符‘ & &r...

mysql5.7初始化密码报错 ERROR 1820 (HY000): You must reset your password using ALTER USER statement before

mysql5.7初始化密码报错ERROR1820(HY000):YoumustresetyourpasswordusingALTERUSERstatementbeforemysql初始化密码常见报错问题1,mysql5.6是密码为空直接进入数据库的,但是mysql5.7就需要初始密码cat/var/log/mysqld...

E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. 爆错解决办法

author :headsenchendate:2019-06-06 10:09:06root@ubuntu:~#apt-getremovejava-1.8.0-openjdkE:dpkgwasinterrupted,youmustmanuallyrun'dpkg--configure-a'toco...
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