Java connection to Oracle database, close connection exception occurred: Java.sql.SQLRecoverableException:IO error:connection Reset

Java.sql.SQLRecoverableException:IO error:connection Reset
At Oracle.jdbc.driver.T4CConnection.logoff (t4cconnection.java:612)
At Oracle.jdbc.driver.PhysicalConnection.close (physicalconnection.java:5094)
At Com.sms.send.StartTaskNew.run (smssend.java:361)
At Java.util.TimerThread.mainLoop (timer.java:555)
At Java.util.TimerThread.run (timer.java:505)
caused by:java.net.SocketException:Connection Reset
At Java.net.SocketInputStream.read (socketinputstream.java:189)
At Java.net.SocketInputStream.read (socketinputstream.java:121)
At Oracle.net.ns.Packet.receive (packet.java:286)
At Oracle.net.ns.DataPacket.receive (datapacket.java:100)
At Oracle.net.ns.NetInputStream.getNextPacket (netinputstream.java:227)
At Oracle.net.ns.NetInputStream.read (netinputstream.java:172)
At Oracle.net.ns.NetInputStream.read (netinputstream.java:97)
At Oracle.net.ns.NetInputStream.read (netinputstream.java:82)
At Oracle.jdbc.driver.T4CSocketInputStreamWrapper.readNextPacket (t4csocketinputstreamwrapper.java:119)
At Oracle.jdbc.driver.T4CSocketInputStreamWrapper.read (t4csocketinputstreamwrapper.java:75)
At Oracle.jdbc.driver.T4CMAREngine.unmarshalUB1 (t4cmarengine.java:1263)
At Oracle.jdbc.driver.T4CMAREngine.unmarshalSB1 (t4cmarengine.java:1238)
At Oracle.jdbc.driver.T4CTTIfun.receive (t4cttifun.java:296)
At Oracle.jdbc.driver.T4CTTIfun.doRPC (t4cttifun.java:193)
At Oracle.jdbc.driver.T4C7Ocommoncall.doOLOGOFF (t4c7ocommoncall.java:59)
At Oracle.jdbc.driver.T4CConnection.logoff (t4cconnection.java:593)
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