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org.apache.commons.dbcp.DbcpException: java.sql.SQLException: Io exception: The Network Adapter could not establish the connection

Posted on 2010-11-18
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Last Modified: 2012-05-10


I'm having this error msg while starting the app server

DBCP borrowObject failed: java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
org.apache.commons.dbcp.DbcpException: java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
      at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:85)
      at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:184)
      at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:816)
      at org.apache.commons.dbcp.AbandonedObjectPool.borrowObject(AbandonedObjectPool.java:117)
      at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:110)
      at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:312)
      at com.newbreed.enbrace.fx.dao.Dao.getDbConnection(Dao.java:136)
      at com.newbreed.enbrace.fx.dao.session.SessionDAOImpl.sweep(SessionDAOImpl.java:169)
      at com.newbreed.enbrace.fx.security.SessionSweeperServlet.timerAction(SessionSweeperServlet.java:72)
      at com.newbreed.enbrace.fx.util.CronTimer.timerAction(CronTimer.java:142)
      at com.newbreed.enbrace.fx.util.TimerThread.run(Timer.java:36)
Caused by: java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
      at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:114)
      at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:156)
      at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:269)
      at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:210)
      at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:251)
      at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:224)
      at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:83)

I can log in to the server but it gives

HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.commons.dbcp.DbcpException: java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
      org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:85)
      org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:184)
      org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:816)
      org.apache.commons.dbcp.AbandonedObjectPool.borrowObject(AbandonedObjectPool.java:117)
      org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:110)
      org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:312)
      com.newbreed.enbrace.fx.dao.Dao.getExternalDbConnection(Dao.java:86)
      com.newbreed.enbrace.fx.security.login.LoginAction.perform(LoginAction.java:86)
      org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
      org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
      org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
      javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      javax.servlet.http.HttpServlet.service(HttpServlet.java:810)


note The full stack trace of the root cause is available in the Apache Tomcat/5.0.25 logs.


--------------------------------------------------------------------------------

Apache Tomcat/5.0.25

Please give the solution, its very urgent.

thanks in advance
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Question by:nbuser
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3 Comments
 
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Accepted Solution

by:
ckiral earned 2000 total points
ID: 34167528
It looks like a connection pool problem.
Apparently you are using oracle as backend db.
Please check if you have nework connectivity to db server from application server.
You may also check if oracle listener is accepting connections from your app server.

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Author Comment

by:nbuser
ID: 34168408
Thank you very much.  I resolved the problem.  

Thanks
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LVL 2

Expert Comment

by:ckiral
ID: 34168482
Happy hear that. Was it a connectivity issue?
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