数据库sqlserver和oracle ,框架是springmvc + spring +mybatis 框架配置5分钟一次自动执行任务,把alibaba 的 druid 从1.0.16升级到1.1.8后，运行一段时间就出现下面异常（偶尔异常）:

oracle数据库访问异常：

2019-03-27 15:35:03,774 ERROR impl.testImpl.queryAll(40) - Exception

Error querying database. Cause: java.sql.SQLException: ORA-01013: ユーザーによって現行の操作の取消しがリクエストされました

sqlserver 数据库异常：

ERROR pool.DruidDataSource.handleFatalError(1595) - discard connection

java.sql.SQLException: I/O例外です。: Connection reset by peer: socket write error

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:255)

at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:829)

at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:1049)

at oracle.jdbc.driver.T4CPreparedStatement.executeMaybeDescribe(T4CPreparedStatement.java:854)

at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1154)

at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3370)

at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3476)

at com.alibaba.druid.pool.DruidPooledPreparedStatement.execute(DruidPooledPreparedStatement.java:498)

at sun.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at org.apache.ibatis.logging.jdbc.PreparedStatementLogger.invoke(PreparedStatementLogger.java:59)

at com.sun.proxy.$Proxy61.execute(Unknown Source)

at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:62)

at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:78)

at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)

at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:303)

at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:154)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:102)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:82)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:120)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:113)

at sun.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:408)

at com.sun.proxy.$Proxy11.selectList(Unknown Source)

<task:annotation-driven/>

<task:scheduled-tasks>

<task:scheduled ref="testController" method="testMakeDate" cron="0 0/5 * * * ?"/>

</task:scheduled-tasks>

<dependency>

<groupId>com.alibaba</groupId>

<artifactId>druid</artifactId>

<version>1.1.8</version>

</dependency>