listener

Oracle client ORA-12541: TNS:no listener

You need to set oracle to listen on all ip addresses (by default, it listens only to localhost connections.) Step 1 – Edit listener.ora This file is located in: Windows: %ORACLE_HOME%\network\admin\listener.ora. Linux: $ORACLE_HOME/network/admin/listener.ora Replace localhost with 0.0.0.0 Step 2 – Restart Oracle services Windows: WinKey + rservices.msc Linux (CentOs):sudo systemctl restart oracle-xe

What is the purpose of a listener in Java?

In the code example that you linked the KillMonsterEventListener provides a way for users of your API to tell you something like this: Here is a piece of code. When a monster is killed, call it back. I will decide what to do. This is a way for me to plug in my code at a … Read more