Could not obtain connection to query metadata解决

最新推荐文章于 2023-09-21 11:57:33 发布

原创最新推荐文章于 2023-09-21 11:57:33 发布 · 6.6k 阅读

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#Could not obtain connection to query metadata

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本文记录了一次因未正确配置Hibernate连接池导致的应用程序错误，详细解析了异常堆栈信息，并最终定位到hibernate.cfg.xml文件中未被注释的proxool配置为问题根源。

11:12:56,906  WARN JDBCExceptionReporter:233 - SQL Error: 0, SQLState: null
11:12:56,921 ERROR JDBCExceptionReporter:234 - Cannot create PoolableConnectionFactory (The Network Adapter could not establish the connection)
11:12:57,000  WARN SettingsFactory:147 - Could not obtain connection to query metadata
org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (The Network Adapter could not establish the connection)
	at org.apache.commons.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
	at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81)
	at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:114)
	at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2833)
	at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2829)

总是报Could not obtain connection to query metadata这个....
然后是url is null...好像....
找了半天,是hibernate.cfg.xml中配置proxool,相关的内容没有注释掉导致的....
晕死....
不过,log4j,倒是蛮好用的...