"java.net.SocketException: Connection reset" while connecting to Oracle DB

Issue

• Following Exceptions are thrown while accessing Oracle DB from JBoss:

  java.sql.SQLRecoverableException: IO Error: Connection reset
  

  and

  java.net.SocketException: Connection reset
      at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:96)
      at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
      at oracle.net.ns.DataPacket.send(DataPacket.java:210)
      at oracle.net.ns.NetOutputStream.flush(NetOutputStream.java:230)
      at oracle.net.ns.NetInputStream.getNextPacket(NetInputStream.java:312)
      ...(snip)...