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- java.sql.SQLException: Timed out trying to establish connection". It looks weird that a timeout may have happened since the error will always be thrown immediately. Therefor I suppose there is another root cause for failing to establish the connection. Any ideas out there? Please note that we simulated connection establishment with a console application aside coldfusion but using the same jvm and jdbc driver successfully. it does therefore not seem to be a jvm or driver or oci.dll related issue. data source settings : Driver Class : oracle.jdbc.driver.OracleDriver JDBC URL (using tnsnames.ora) : jdbc:oracle:oci:@<theName> JDBC URL (using ip, port, service) : jdbc:oracle:oci:@//<IP>:1521/<SID> error message : Connection verification failed for data source: theName java.sql.SQLException: Timed out trying to establish connection The root cause was that: java.sql.SQLException: Timed out trying to establish connection environment : ojdbc6 driver lives in a directory known to coldfusion oci.dll lives in a directory known to the system path variable, verified by sysinternals processexplorer on the coldfusion service for the JDBC URL (using tnsnames.ora), the directory containing tnsnames.ora is known as a system variable TNS_ADMIN, verified by sysinternals processexplorer on the coldfusion service along with tnsnames.ora there is a sqlnet.ora file comprising settings to switch on data encryption Stacktrace: A non-SQL error occurred while requesting a connection from "datasource-name here". Timed out trying to establish connection Exception in thread "Thread-2120" java.lang.UnsatisfiedLinkError: no ocijdbc11 in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1860) at java.lang.Runtime.loadLibrary0(Runtime.java:845) at java.lang.System.loadLibrary(System.java:1084) at oracle.jdbc.driver.T2CConnection$1.run(T2CConnection.java:3560) at java.security.AccessController.doPrivileged(Native Method) at oracle.jdbc.driver.T2CConnection.loadNativeLibrary(T2CConnection.java:3556) at oracle.jdbc.driver.T2CConnection.logon(T2CConnection.java:269) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:553) at oracle.jdbc.driver.T2CConnection.<init>(T2CConnection.java:165) at oracle.jdbc.driver.T2CDriverExtension.getConnection(T2CDriverExtension.java:53) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:528) at coldfusion.server.j2ee.sql.pool.JDBCPool.createPhysicalConnection(JDBCPool.java:614) at coldfusion.server.j2ee.sql.pool.ConnectionRunner$RunnableConnection.run(ConnectionRunner.java:67) at java.lang.Thread.run(Thread.java:722)