Java 如何解决;“套接字读取超时”;使用hikari连接池时
我正在使用play framework(版本2.8.0)、java(版本1.8)和oracle数据库(版本12C)开发一个应用程序 一天内数据库只有零次或一次点击,我的错误率正在下降Java 如何解决;“套接字读取超时”;使用hikari连接池时,java,database,playframework,oracle12c,socket-timeout-exception,Java,Database,Playframework,Oracle12c,Socket Timeout Exception,我正在使用play framework(版本2.8.0)、java(版本1.8)和oracle数据库(版本12C)开发一个应用程序 一天内数据库只有零次或一次点击,我的错误率正在下降 java.sql.SQLRecoverableException: IO Error: Socket read timed out at oracle.jdbc.driver.T4CConnection.logoff(T4CConnection.java:919) at oracle.jdbc.dr
java.sql.SQLRecoverableException: IO Error: Socket read timed out
at oracle.jdbc.driver.T4CConnection.logoff(T4CConnection.java:919)
at oracle.jdbc.driver.PhysicalConnection.close(PhysicalConnection.java:2005)
at com.zaxxer.hikari.pool.PoolBase.quietlyCloseConnection(PoolBase.java:138)
at com.zaxxer.hikari.pool.HikariPool.lambda$closeConnection$1(HikariPool.java:447)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketTimeoutException: Socket read timed out
at oracle.net.nt.TimeoutSocketChannel.read(TimeoutSocketChannel.java:174)
at oracle.net.ns.NIOHeader.readHeaderBuffer(NIOHeader.java:82)
at oracle.net.ns.NIOPacket.readFromSocketChannel(NIOPacket.java:139)
at oracle.net.ns.NIOPacket.readFromSocketChannel(NIOPacket.java:101)
at oracle.net.ns.NIONSDataChannel.readDataFromSocketChannel(NIONSDataChannel.java:80)
at oracle.jdbc.driver.T4CMAREngineNIO.prepareForReading(T4CMAREngineNIO.java:98)
at oracle.jdbc.driver.T4CMAREngineNIO.unmarshalUB1(T4CMAREngineNIO.java:534)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:485)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:252)
at oracle.jdbc.driver.T4C7Ocommoncall.doOLOGOFF(T4C7Ocommoncall.java:62)
at oracle.jdbc.driver.T4CConnection.logoff(T4CConnection.java:908)
... 6 common frames omitted
db {
default {
driver=oracle.jdbc.OracleDriver
url="jdbc:oracle:thin:@XXX.XXX.XXX.XX:XXXX/XXXXXXX"
username="XXXXXXXXX"
password="XXXXXXXXX"
hikaricp {
dataSource {
cachePrepStmts = true
prepStmtCacheSize = 250
prepStmtCacheSqlLimit = 2048
}
}
}
}
似乎是由于数据库连接不活动导致的,如何解决此问题?
请告诉我是否需要任何其他信息?您可以为JDBC启用TCP keepalive-可以设置指令,也可以在连接字符串中添加“enable=breake”
- 通常Cisco/Juniper在TCP连接处于非活动状态超过一小时时会切断它
- 而Linux内核在两小时后开始发送keepalive探测(tcp_keepalive_时间)。因此,如果您决定打开tcp keepalive,您还需要root用户将此内核可调值更改为较低的值(10-15分钟)
- 此外,默认情况下,HikariCP不应将任何连接保持打开状态超过30分钟
我在配置文件中添加了Hickarip的以下配置,它是 工作很好
## Database Connection Pool
play.db.pool = hikaricp
play.db.prototype.hikaricp.connectionTimeout=120000
play.db.prototype.hikaricp.idleTimeout=15000
play.db.prototype.hikaricp.leakDetectionThreshold=120000
play.db.prototype.hikaricp.validationTimeout=10000
play.db.prototype.hikaricp.maxLifetime=120000
我在问题中添加了DB配置,以了解更多详细信息。是否建议在生产过程中保持HikariCP连接打开30分钟以上?