安装停在了如下命令行处，请问是出了什么问题，如何解决？
er |I| =-=-=-=-=-=-= Finished the data load with 14781 rows changed.
[java] 2015-11-08 21:39:43,813 |main |ContainerLoader
|I| Started container dataload-container
[java] 2015-11-08 21:39:43,813 |main |ContainerLoader
|I| Shutting down containers
[java] 2015-11-08 21:39:43,813 |main |ContainerLoader
|I| Stopping container dataload-container
[java] 2015-11-08 21:39:43,813 |main |ContainerLoader
|I| Stopped container dataload-container
[java] 2015-11-08 21:39:43,816 |main |ContainerLoader
|I| Stopping container service-container
[java] 2015-11-08 21:39:43,821 |main |JobPoller
|I| Shutting down JobPoller.
[java] 2015-11-08 21:39:43,822 |main |JobPoller
|I| JobPoller shutdown completed.

错误日志是这样的
An error occurred saving the data, rolling back transaction (true)
org.ofbiz.entity.GenericEntityException: org.ofbiz.entity.GenericDataSourceException: Unable to esablish a connection with the database. (Unable to acquire a new connection from the pool) (Unable to esablish a connection with the database. (Unable to acquire a new connection from the pool))
at org.ofbiz.entity.GenericDelegator.storeAll