10 recommended articles about sping

The same project sometimes involves multiple databases, that is, multiple data sources. Multiple data sources can be divided into two situations: 1) Two or more databases are not related and are independent. In fact, this can be developed as two projects. For example, in game development, one database is a platform database, and the other databases are corresponding to games under the platform; 2) Two or more databases are in a master-slave relationship. For example, mysql builds a master-master, and then brings There are multiple slaves; or master-slave replication built with MHA. Currently, there are about two ways to build Spring multiple data sources that I know of, and you can choose according to the situation of multiple data sources. 1. Use the spring configuration file to directly configure multiple data sources. For example, if the two databases are not related, you can directly configure multiple data sources in the spring configuration file, and then configure the transactions separately, as shown below: < ;context:component-scan base-package="net.aazj.ser

1. spring mybatis multi-data source instance detailed explanation

Introduction: This article mainly introduces the multi-data source processing of sping mybatis. During the development process, multiple databases are often encountered. Here are some examples to illustrate how to handle it. I hope Can help friends in need

2. Apache Shiro User Manual (5) Shiro Configuration Instructions

Introduction: Most components of Apache Shiro are based on POJO, so we can use any POJO-compatible configuration mechanism for configuration, such as: Java code, Sping XML, YAML, JSON, ini files, etc. Next, take the Spring XML configuration method as an example, and give some brief explanations of some of the configuration parameters

##3. Spring framework knowledge. Summary - Various exceptions injected into Bean

##Introduction: Recently, I encountered a problem when integrating the sping and hibernate frameworks. series of exceptions, this time we mainly explain possible exceptions and solutions in the spring framework

##4.

Oracle connection occurs ora-12154

##. #Introduction: Oracle connection appears ora-12154 After configuring rac, both nodes can ping successfully using tnsping, but the following error occurs when connecting using sqlplus. I don’t know what went wrong. [oracle@rac2 admin]$ lsnrctl status LSNRCTL for Linux: Version 9.2.0.4.0 - Production on 04-MAR-2008 08:32:26 C

5. ORA-12537 TNS-12518 Process m000 died

Introduction: The recent customer email description cannot be retrieved from the customer When the client connects to the database, the error number is ORA-12537: TNS: connection closed, and the connection is closed. There is nothing through tnsping directly

6. Tnsping command analysis in Oracle

Introduction: Oracle Net tool (command) tnsping is an OSI session layer tool. It is used to: verify name resolution (name resolution, Oracle’s own network service name)

7. TNS-03505 Problem Solving Summary

##Introduction: Recently Deployment project, Linux system uses non-oracle user testing (such as test) tnsping orcl and the following prompt message appears: TNS-03505: Failed to resolve name

8. Used under different users tnsping+client service name, the results are different

Introduction: Install the oracle11g client under suse10sp2, create aipcti user, tnsping vsm (vsm is the service name under the client) fails, and an error is reported: TNS-03505: Failed to reso

9. Oracle dataguard FAQ

##Introduction: If the ERR here is not Log in as the oracle user of the operating system to check whether the listener is started, lsnrctl stauts, lsnrctl start and tnsping the two databases to see if they are normal, such as

10. Oracle cannot connect to the solution example

Introduction: Linux Oracle 9i maintenance staff reported that the database cannot be connected. The phenomenon is: tnsping can work, but using The sqlplus connection cannot be connected. No error is reported, but it just keeps hanging there.

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