Must I see other configurationn parameters or the java code is wrong ? Like Show 0 Likes(0) Actions 14. java.sql.SQLException: Io exception: The Network Adapter could not establish the connection at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:255) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:387) at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:439) at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:165) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801) at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:297) at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:221) If the java application is trying to connect to the database using JDBC then the client application may just hang or fail with an Io exception error. weblink
Answer: Whenever you see a Network Adapter could not establish the connection, you have either the wrong SQL Developer URL or you have a basic SQL*Net connectivity issue! I can' understand because the same url on wizard's IDE work and in java class throw exception...both connection use same driver and same url... more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Validate Random Die Tippers Is this behaviour of GPIO pins normal? http://stackoverflow.com/questions/12578299/ioexception-network-adapter-could-not-establish-the-connection
Instance "xe", status READY, has 1 handler(s) for this service... So, trusting that your url is correct (you pasted in "sample" code") then maybe it's the driver itself. Thanks sarma kiran wrote:I am able to connect to SQL * Plus..
Browse other questions tagged java windows-7 jdbc oracle11g bootcamp or ask your own question. Handler(s): "DEDICATED" established:0 refused:0 state:ready LOCAL SERVER Service "xe" has 1 instance(s). I am able to see the same service_name, host and port number, which i am using in the code. Io Exception The Network Adapter Could Not Establish The Connection Jdeveloper Service "XE_XPT" has 1 instance(s).
Did you ever find the solution? –AsherMaximum Apr 6 '12 at 8:26 We cleared the DNS cache and that helped! –Java Guy Apr 17 '12 at 21:28 add a Io Error The Network Adapter Could Not Establish The Connection Weblogic Used parameter files: C:\oraclexe\app\oracle\product\10.2.0\server\network\admin\sqlnet.ora Used TNSNAMES adapter to resolve the alias Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = KiranKumar-PC)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME Does gunlugger AP ammo affects all armor? visit Just it helped me, that's all. –baybora.oren Jan 25 '15 at 13:16 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google
Prove to me (and yourself) that the IDE is really using the same jar. Io Error The Network Adapter Could Not Establish The Connection Vendor Code 17002 Same url. Who were the red-robed citizens of Jedha City? Re: Exception The Network Adapter could not establish the connection 768713 Apr 28, 2010 7:05 AM (in response to Andy Klock) Yes the IDE (Eclipse Data Source Explorer- Wizard to create
This error is most likely caused by one of these factors: - You are using the wrong URL- The wrong port number or IP address (or DNS host name) was used- http://www.dba-oracle.com/t_network_adapter_could_not_establish_connection.htm Like Show 0 Likes(0) Actions 10. Caused By: Oracle.net.ns.netexception: The Network Adapter Could Not Establish The Connection Word for fake religious people Making identical C++ type aliases incompatible Has my macOS Sierra system been infected by unknown users? Io Error The Network Adapter Could Not Establish The Connection Error Code 17002 Is scroll within a card good or bad? (In desktop) How to respond to a ridiculous request from a senior colleague?
What is a real-world metaphor for irrational numbers? http://jessriegel.com/network-adapter/io-exception-the-network-adapter-could-not-establish-connection.html We have several app servers (JBoss AS5) running on top of the RAC. asked 5 years ago viewed 59093 times active 1 year ago Get the weekly newsletter! Service "XEXDB" has 1 instance(s). Io Error The Network Adapter Could Not Establish The Connection In Obiee 11g
be killed in the war vs be killed by the war Help, my office wants infinite branch merges as policy; what other options do we have? if 'telnet localhost 1521' works then it is sure that your program should work. posted 8 years ago You start sql*plus without telling it the database to connect to. check over here Service "XEXDB" has 1 instance(s).
Appreciate your help.Thanks,Chetan-ReplyDeleteSelvathiruppathi SrinivasanFebruary 10, 2014 at 9:54 AMHi Chetan, Please check TNS connection string and firewall also.RegardsSelva ReplyDeleteRyan BownsFebruary 13, 2014 at 1:47 PM.Same problem as Chetan. Network Adapter Could Not Establish The Connection Oracle 12c Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and self-proclaimed expertise. Leave your application behind and try to get a simple class working.
I could connect to the database by using SQL command prompt. I was using the wrong port for my connection. But it's just a hypothesis. –Matei Florescu Sep 25 '12 at 11:07 We did use the ping between app servers and database servers and didn't find any packet loss Io Error: The Network Adapter Could Not Establish The Connection Oem danthuluri pavan kumar Greenhorn Posts: 3 posted 8 years ago i AM ALSO HAVING THE SAME PROBLEM.EVERTHING IS IN PLACE 1.db is up and running 2.db listener is also running Able
All rights reserved. Rating 1 2 3 4 5 Overall Rating: 0 (0 ratings) Log in or register to post comments ActionsThis Document Follow Shortcut Abuse PDF Related Content Show - Any -BlogDiscussionDocumentEventVideo Apply Try this test: (from a command prompt) telnet hostname port Like Show 0 Likes(0) Actions 5. this content Oracle PostersOracle Books Oracle Scripts Ion Excel-DB Don Burleson BlogOracle Network Adapter could not establish the connection tips
use localhost instead of the loop back ip address and see the difference. I am facing similar issue and unable to resolve it -- DB host is in client network- able to connect thru sql developer once in vpn- using small java program using if 'telnet localhost 1521' works then it is sure that your program should work. I can't tell you how many times that I've thought something to be true, but found out I was wrong by going through the process of showing someone else.
Setting this property to true indicates that JVM will use IPv4 sockets.Here are two solutions : Indicate to the java machine to use ip protocol used is V4.