我在grails中有数据源配置。
dataSource_staging_oracle {
dbCreate = "none"
pooled = true
url = "jdbc:oracle:thin:@//my-box-oracle.com:1521/DB1"
driverClassName = "oracle.jdbc.OracleDriver"
username = "USER_1"
password = "encryptedpassword"
passwordEncryptionCodec = PropertiesCodec
}
dataSource_prod_oracle {
dbCreate = "none"
pooled = true
autoReconnect = true
url = "jdbc:oracle:thin:@//my-oracle-prod-box.com:1521/DB2"
driverClassName = "oracle.jdbc.OracleDriver"
username = "user_2"
password = "encrypted_password"
passwordEncryptionCodec = PropertiesCodec
}
应用程序能够获取数据库连接并正常工作。但是经过1-2个小时的处理后,我看到连接已关闭异常。
ERROR util.JDBCExceptionReporter - Closed Connection
我认为这与数据源配置属性有关。什么grails设置可以帮助我刷新连接?我已将autoReconnect
和pooled
设置为true
我使用grails 2.3.3
答案 0 :(得分:1)
数据源属性将通知数据库中间件服务器对数据库的期望。如果您的Oracle服务器不同意Grails想要使用的设置,那么有时会出现含糊不清的错误消息。
使用池化连接告诉Oracle为应用程序保留许多连接。如果应用程序运行1-2小时并持续处理,我预计池可能会用完有效的连接。有些背景请查看下面的链接。
查看Grails configuration docs,第4.4节,查看高级数据源配置选项。您是否定义了验证查询? (例如select 1 from dual;
)
查看此AskTom帖子,了解connection pooling的详细解释。
带有MySQL的答案 1 :(得分:0)
下面的配置帮助我解决了我的问题。
dataSource_staging {
dbCreate = "none"
pooled = true
autoReconnect = true
url = "jdbc:oracle:thin:@//my-box-oracle.com:1521/DB1"
driverClassName = "oracle.jdbc.OracleDriver"
username = "USER_1"
password = "encryptedpassword"
passwordEncryptionCodec = PropertiesCodec
properties {
validationQuery = "SELECT 1 FROM DUAL"
testOnBorrow = true
testWhileIdle = true
testOnReturn = false
timeBetweenEvictionRunsMillis = 5000
minEvictableIdleTimeMillis = 60000
maxAge = 10 * 60000
maxWait = 10000
maxIdle = 25
maxActive = 50
initialSize = 5
}
}