< 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...
find a basic detailed process pip install pyspider SyntaxError: invalid syntax pip3 install pyspider SyntaxError: invalid syntax ...
according to the addition on the Internet: import react-dom ; import "babel-polyfill "; http: localhost:9002 -sharp ienpm run-script build ie: there is a master who knows to help take a look, thank you very much! ...
I want to modify the variable of module an in module b, and then use the modified variable in module a. a module code: import b flag = False def set_flag(is_ok): global flag flag = is_ok def test(): global flag -sharp ba b....
before, you can write your own webpack configuration in the package.json configuration browserslist field how to configure create-react-app? ...
does it feel the same? ...