< H2 > the cause of the problem < H2 > recently wrote a scheduled task using quartz . This scheduled task is mainly to add something like points to members, and to keep a record of points increase, which is executed at 4 o clock every morning, but s...
druid may throw SqlException when creating a connection, but cannot capture ...
druid + Mybatis + spring boot. , Sql(, 20.), . druid? . 2018-12-05T22:16:01.306+0800 [ERROR] interceptor.RuntimeExceptionInterceptor < http-nio-6016-exec-2_xxx.i.RuntimeExceptionInterceptor.handleBizExceptions (52) _ c.g.x.f.i.RuntimeExceptionIntercept...
time distribution, what kind of distribution, what do you think? ...
Project applies Druid+Sharding JDBC to split a table, product_0, product_1,product_2. but only the logical table name can be seen under Druid monitoring. Product, cannot see the actual physical table name and UNKNOWN appears under the fields item. As...
the druid configuration I know is configured on a service if mysql is installed on a machine when we connect with a connection pool according to https: blog.csdn.net w059805. the size formula of the connection pool is: number of connections = ((...
enabling affects performance, but does not enable it. If an abnormal connection occurs, it may not be reclaimed in time, causing the system thread to be occupied and then hung up. For example, https: blog.csdn.net lx34832....
the project uses SpringBoot+jdbc+mybatis+druid, to use logback for log processing. There is no problem with the whole project test, but when the war package is put into tomcat to start, it will constantly prompt the relevant information of JNDI . [DEBUG...
critical: Error listenerStart 2018-5-11 15:32:08 org.apache.catalina.core.StandardContext start critical: Context [ SCM] startup failed due to previous errors 2018-5-11 15:32:09 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc serio...
druid database connection overflows, resulting in application downtime. The database uses Ali Cloud s RDS, connection to allow 8000 connections connection pool is configured as follows : <!-- --> <bean id="dataSourceMain" cl...
the file format is as follows: you need to read the data of line num (1-10), which is divided into three parts. ...
problem description the project is initialized with create-nuxt-app, and after the development is completed using koa2 , you are ready to try it on the local deployment first, so you encounter a strange problem. the project completes the npm build ge...
for example, if you store it, don t you want to store all the CA public keys, and is it bad for some self-signed certificates? ...
the artificial customer service system installed by the company uses port 80 of my apache, so if I change my apache port now, my website can only be accessed through XXXX.com:8080 if I use the domain name. Is there any way to hide this port number? I us...
layer.js error layer.js:353 Uncaught TypeError: Cannot read property style of undefined at Object.r.setTop (layer.js:353) at Object.success (addsim.vue?d932:297) at s.pt.callback (layer.js:318) at s.pt.creat (layer.js:198) at new s (layer.js:119)...