What are the categories of Hibernate logs
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In Hibernate, Hibernate logs use Apache commons-logging to log various events.
Commons-logging will be output directly to Apache Log4j (if log4j.jar is included in the classpath) or JDK1.4 logging (if running in JDK1.4 or above).
We strongly recommend that you familiarize yourself with Hibernate's log messages. Without losing readability, we have done a lot of work to make Hibernate logs as detailed as possible. This is a necessary tool for error checking. The most interesting log categories are as follows:
Table Hibernate log categories
Category
Function
Org.hibernate.SQL
Log all SQL DML statements when they are executed
Org.hibernate.type
Log all JDBC parameters
Org.hibernate.tool.hbm2ddl
Log all SQL DDL statements as they are executed
Org.hibernate.pretty
During session cleaning (flush), log the status of all entities associated with it (up to 20)
Org.hibernate.cache
Log all second-tier cache activity
Org.hibernate.transaction
Log transaction-related activities
Org.hibernate.jdbc
Log the acquisition of all JDBC resources
Org.hibernate.hql.AST
When parsing the query, record the AST analysis logs for HQL and SQL
Org.hibernate.secure
Log JAAS authentication requests
Org.hibernate
Log any Hibernate-related information (large amount of information, but very helpful for error checking)
When developing applications using Hibernate, you should always turn on debug-level logging for org.hibernate.SQL, or turn on the hibernate.show_sql property.
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