Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resou

概述程序异常警告警告: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@8b3bdd -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to 程序异常警告

警告: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@8b3bdd -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource,we Failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: java.lang.NullPointerException

子异常：

java.sql.sqlException: Connections Could not be acquired from the underlying database!

提示的错误原因

Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool Could not acquire a resource from its primary factory or source.

这个错误就是因为没有写配置文件。。。

总结

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