Druid鏈接池Oracle版本衝突報錯

使用Druid鏈接池進行Oracle插入數據時,有時成功,有時失敗,成功率基本維持爲50%左右,這種非徹底失敗的狀況使人挺鬱悶的,報錯內容以下:java

java.sql.SQLException: Closed Statement
at oracle.jdbc.driver.OracleClosedStatement.exitImplicitCacheToActive(OracleClosedStatement.java:2955)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.exitImplicitCacheToActive(OraclePreparedStatementWrapper.java:1247)
at com.alibaba.druid.util.OracleUtils.exitImplicitCacheToActive(OracleUtils.java:80)
at com.alibaba.druid.pool.PreparedStatementPool.get(PreparedStatementPool.java:66)
at com.alibaba.druid.pool.DruidPooledConnection.prepareStatement(DruidPooledConnection.java:344)
at com.service.DataService.insertOracle(DataService.java:175)
at com.service.DataService.getDataToOracle(DataService.java:38)
at com.MainApp.main(MainApp.java:18)
java.lang.NullPointerException
at com.service.DataService.insertOracle(DataService.java:383)
at com.service.DataService.getDataToOracle(DataService.java:38)
at com.MainApp.main(MainApp.java:18)

一直在查是不是Druid的問題,但後來發現Oracle的版本是11.2的,而使用的是odbc8.jar,後來更換爲odbc6.jar就不報錯了,插入數據都正常。sql

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