WARN: HHH000402: Using Hibernate built-in connection pool (not for production use!) -

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developing java ee application next warning: 

warn:   hhh000402: using hibernate built-in connection pool (not     production use!) información:   hhh000401: using driver [com.mysql.jdbc.driver] @ url     [jdbc:mysql://localhost:3306/city-help-point?zerodatetimebehavior=converttonull] información:   hhh000046: connection properties: {user=chp, password=****} información:   hhh000006: autocommit mode: false información:   hhh000115: hibernate connection pool size: 20 (min=1) información:   hhh000400: using dialect: org.hibernate.dialect.mysql5dialect información:   hhh000397: using astquerytranslatorfactory información:   hhh000030: cleaning connection pool     [jdbc:mysql://localhost:3306/city-help-point?zerodatetimebehavior=converttonull] información:   hhh000204: processing persistenceunitinfo [ name: chppun ...]

how can avoid them?


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