IO Error: The Network Adapter Could Not Establish The Connection and java.net.UnknownHostException When Connection Using SCAN With Oracle JDBC Driver (Doc ID 1583883.1)

Last updated on JUNE 06, 2024

Applies to:

Symptoms

After following the instructions to test connectivity using SCAN with Oracle JDBC driver 11.2.0.3 to an 11g RAC database as per <document 1290193.1> Using SCAN With Oracle JDBC 11g Thin Driver, the following error is encountered:

java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:475)
at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:552)
at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:253)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:526)
at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:280)
at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:207)
at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:157)
...
Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connection
at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:439)
at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:434)
at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:687)
at oracle.net.ns.NSProtocol.connect(NSProtocol.java:343)
at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1126)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:337)
... 8 more
Caused by: java.net.UnknownHostException: node-VIP
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:877)
at java.net.InetAddress.getAddressFromNameService(InetAddress.java:1230)
at java.net.InetAddress.getAllByName0(InetAddress.java:1181)
at java.net.InetAddress.getAllByName(InetAddress.java:1111)
at java.net.InetAddress.getAllByName(InetAddress.java:1047)
at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:117)
at oracle.net.nt.ConnOption.connect(ConnOption.java:133)
at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:405)
... 13 more

Changes

Cause

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