oracle network adapter could not establish connection

The Network Adapter cocould not establish the connection, adapterestablishOriginal article addressHttp://yanwushu.sinaapp.com/the-network-adapter-could-not-establish-the-

Java. SQL. sqlexception: Io exception: the network adapter cocould not establish the connection is a problem I encountered today. This is due to many reasons, and there are answers online. My main problem is that the line in hibernate. properties is not included in the hibernate. properties file: Hibernate.

The exception is as follows: Org. Apache. commons. DBCP. sqlnestedexception: cannot create poolableconnectionfactory (IO exception: the network adapter cocould not establish the connection)At org. Apache. commons. DBCP. basicdatasource. createdatasource (basicdatasource. Java: 1225)At org. Apache. commons. DBCP. basi

DRP problem series -- The Network Adapter cocould not establish the connection, drpestablish After the last problem is solved, another new problem occurs. There will always be too many disappointments in life. Let's take a look at the problem first. 1. Question 1 We must not be scared by the way it looks. Read

again, and I suddenly found out that the mistakes I had made changed. 4. The answer is surfaced the error message is as follows In other words, Sid is not found, then SID is what east, this SID should be your database name, but my database is called DRP, this is what reason, so again on the Internet to check a bit. Click to view the original URL The main reason for not showing it all here is that the SID is configured in Oracle's Listener.ora file, t

: Execute Regedit at the runtime to enter the Registry Start→Run→Regedit Follow the path below HKEY_LOCAL_MACHINE/system/CurrentControlSet/services/oracleorahome90tnslistener Locate oracleorahome90tnslistener (I am using Oracle9i and other versions should be oracleorahomxxtnslistener) After finding it, you will find that the key value of ImagePath does not exist. Create it: (if it exists, click Modify. The modification method is described below) Right-click and choose new key (n)> st

/system/currentcontrolset/services/oracleorahome90tnslistenerFind Oracleorahome90tnslistener (I'm using oracle9i other version of it should be Oracleorahomexxxtnslistener)Once found, you will find that ImagePath key value does not exist, create it: (if there is, click to modify, the method is described below)Right-click, pop-up menu select New Key (N) → string value (S)Name it ImagePathSelect the ImagePath right-click and select Modify:Enter your Oracle