In Spring Boot project, how to view SQL errors or specific error reports?

In Spring Boot applications, how to effectively view SQL error information is a common challenge in the development process. This article provides a solution for the situation where the console only displays successful SQL statements, while the error SQL statement only prompts "authorized public object filter invocation post error", and the front-end returns "server error", to provide a solution.

Problem: When debugging Spring Boot projects, I encountered SQL errors but could not see specific SQL statements and error messages on the console. I could only see vague error prompts, which seriously hindered the problem investigation.

Solution:

1. Debugging mode troubleshooting: Set breakpoints in dynamicsecurityfilter class and perform single-step debugging. By tracking the code execution line by line, you can accurately locate the location and cause of the error, so as to find the specific SQL statements that cause the SQL error.

2. Adjust log level: Modify Spring Boot configuration file ( application.properties or application.yml ) to increase the logging level, thereby displaying more detailed SQL execution information and error information. Add the following configuration:

 logging.level.org.springframework.jdbc.core.JdbcTemplate=DEBUG
logging.level.org.springframework.jdbc.core.StatementCreatorUtils=TRACE

This outputs a more detailed JdbcTemplate and StatementCreatorUtils log, including SQL statements and error details.

3. Spring Boot Actuator Monitoring: Use Spring Boot Actuator to monitor applications to obtain information such as health status, metrics, etc. This information may indirectly help locate the source of SQL errors.

By combining the above methods, you can effectively view SQL error information in Spring Boot projects, improving development efficiency and debugging efficiency. Remember, combining breakpoint debugging is the most effective and direct way to locate errors.

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