Oracle频繁出现用户取消操作

java.sql.SQLTimeoutException: ORA-01013: user requested cancel of current operation

        at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:450)
        at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:399)
        at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:1059)
        at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:522)
        at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:257)
        at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:587)
        at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:225)
        at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:53)
        at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:774)
        at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:925)
        at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1111)
        at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:4798)
        at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:4901)
        at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1385)
        at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3409)
        at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_execute(FilterEventAdapter.java:440)
        at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3407)
        at com.alibaba.druid.filter.FilterAdapter.preparedStatement_execute(FilterAdapter.java:1080)
        at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:3407)

解决办法

数据配置上添加如下配置

spring:
	datasource:
          validation-query: select 1 from dual
          validation-query-timeout: 15