数据库是Oracle11c，偶尔会在执行clear的时候报这个错误，这个是网络问题吗？
完整错误如下，其中

[DEBUG] 2017-12-12 08:00:00,421 org.nutz.dao.impl.sql.run.NutDaoExecutor.exec(NutDaoExecutor.java:97) - SQLException
java.sql.SQLRecoverableException: IO 错误: Connection reset by peer: socket write error
	at oracle.jdbc.driver.T4CStatement.executeForRows(T4CStatement.java:1020)
	at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1307)
	at oracle.jdbc.driver.OracleStatement.executeInternal(OracleStatement.java:1882)
	at oracle.jdbc.driver.OracleStatement.execute(OracleStatement.java:1847)
	at oracle.jdbc.driver.OracleStatementWrapper.execute(OracleStatementWrapper.java:301)
	at org.apache.commons.dbcp2.DelegatingStatement.execute(DelegatingStatement.java:291)
	at org.apache.commons.dbcp2.DelegatingStatement.execute(DelegatingStatement.java:291)
	at org.nutz.dao.impl.sql.run.NutDaoExecutor._runStatement(NutDaoExecutor.java:357)
	at org.nutz.dao.impl.sql.run.NutDaoExecutor.exec(NutDaoExecutor.java:86)
	at org.nutz.dao.DaoInterceptorChain.doChain(DaoInterceptorChain.java:66)
	at org.nutz.dao.impl.interceptor.DaoLogInterceptor.filter(DaoLogInterceptor.java:22)
	at org.nutz.dao.DaoInterceptorChain.doChain(DaoInterceptorChain.java:64)
	at org.nutz.dao.DaoInterceptorChain.invoke(DaoInterceptorChain.java:139)
	at org.nutz.dao.impl.sql.run.NutDaoRunner.runCallback(NutDaoRunner.java:158)
	at org.nutz.dao.impl.sql.run.NutDaoRunner._runWithoutTransaction(NutDaoRunner.java:125)
	at org.nutz.dao.impl.sql.run.NutDaoRunner._run(NutDaoRunner.java:92)
	at org.nutz.dao.impl.sql.run.NutDaoRunner.run(NutDaoRunner.java:81)
	at org.nutz.dao.impl.DaoSupport.run(DaoSupport.java:245)
	at org.nutz.dao.impl.DaoSupport._exec(DaoSupport.java:257)
	at org.nutz.dao.impl.NutDao.clear(NutDao.java:601)
	at org.nutz.dao.impl.NutDao.clear(NutDao.java:612)
	at cn.sinopharmtj.qx.dao.NDao.synStock(NDao.java:43)
	at cn.sinopharmtj.Cron$1.run(Cron.java:21)
	at com.xiaoleilu.hutool.cron.task.RunnableTask.execute(RunnableTask.java:17)
	at com.xiaoleilu.hutool.cron.TaskExecutor.run(TaskExecutor.java:33)
Caused by: java.net.SocketException: Connection reset by peer: socket write error
	at java.net.SocketOutputStream.socketWrite0(Native Method)
	at java.net.SocketOutputStream.socketWrite(Unknown Source)
	at java.net.SocketOutputStream.write(Unknown Source)
	at oracle.net.ns.DataPacket.send(DataPacket.java:199)
	at oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:211)
	at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:227)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:175)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:100)
	at oracle.net.ns.NetInputStream.read(NetInputStream.java:85)
	at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket(T4CSocketInputStreamWrapper.java:122)
	at oracle.jdbc.driver.T4CSocketInputStreamWrapper.read(T4CSocketInputStreamWrapper.java:78)
	at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:1179)
	at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:1155)
	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:279)
	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:186)
	at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:521)
	at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:194)
	at oracle.jdbc.driver.T4CStatement.executeForRows(T4CStatement.java:1000)
	... 24 more