WebCenter Sites Upgrade Utility is unable to connect to the database (Doc ID 1638285.1)

Last updated on OCTOBER 21, 2019

Applies to:

Symptoms

WebCenter Sites upgrade Utility fails when upgrading from 7.6.2 to 11gr1.
 The following error is shown in the console:
java.lang.ClassNotFoundException: oracle.jdbc.xa.client.OracleXADataSource
  at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
  at java.lang.Class.forName0(Native Method)
  at java.lang.Class.forName(Class.java:171)
  at com.fatwire.install.util.ConnUtil.getConnection(ConnUtil.java:234)
  at com.fatwire.install.SystemCheckImpl.getCSFileSystemInformation(System CheckImpl.java:100)
  at com.fatwire.install.CSSystemCheck.main(CSSystemCheck.java:170)
java.sql.SQLException: No suitable driver found for jdbc:oracle:thin:@isdoradev0 4:1521:ipsdev
  at java.sql.DriverManager.getConnection(DriverManager.java:602)
  at java.sql.DriverManager.getConnection(DriverManager.java:185)
  at com.fatwire.install.util.ConnUtil.getConnection(ConnUtil.java:245)
  at com.fatwire.install.SystemCheckImpl.getCSFileSystemInformation(System CheckImpl.java:100)
  at com.fatwire.install.CSSystemCheck.main(CSSystemCheck.java:170)
java.lang.NullPointerException
  at com.fatwire.install.util.ConnUtil.closeConnection(ConnUtil.java:168)
  at com.fatwire.install.SystemCheckImpl.getCSFileSystemInformation(System CheckImpl.java:103)
  at com.fatwire.install.CSSystemCheck.main(CSSystemCheck.java:170)
Information is logged successfully in the file /<installer_path>/WCS_Sites/misc/upgrade_util/systeminfo.log

Cause

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.