I tried to install 11gr2 client on redhat, but encounter NoClassFound error as below;
[oracle@glplcndlc1db201 oracle-client-11g]$ DISPLAY=local_host:0.0; export DISPLAY
[oracle@glplcndlc1db201 oracle-client-11g]$ ./runInstaller
Starting Oracle Universal Installer...
Checking Temp space: must be greater than 120 MB. Actual 41319 MB Passed
Checking swap space: must be greater than 150 MB. Actual 3950 MB Passed
Checking monitor: must be configured to display at least 256 colors
>>> Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPLAY variable is set. Failed <<<<
Some requirement checks failed. You must fulfill these requirements before
continuing with the installation,
Continue? (y/n) [n] y
>>> Ignoring required pre-requisite failures. Continuing...
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2014-03-15_07-50-24PM. Please wait ...[oracle@glplcndlc1db201 oracle-client-11g]$ _X11TransSocketINETConnect() can't get address for local_host:6000: Temporary failure in name resolution
Exception in thread "main" java.lang.NoClassDefFoundError
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
at java.awt.Toolkit$2.run(Toolkit.java:821)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:804)
at com.jgoodies.looks.LookUtils.isLowResolution(Unknown Source)
at com.jgoodies.looks.LookUtils.<clinit>(Unknown Source)
at com.jgoodies.looks.plastic.PlasticLookAndFeel.<clinit>(PlasticLookAndFeel.java:122)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:242)
at javax.swing.SwingUtilities.loadSystemClass(SwingUtilities.java:1783)
at javax.swing.UIManager.setLookAndFeel(UIManager.java:480)
at oracle.install.commons.util.Application.startup(Application.java:758)
at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:164)
at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:181)
at oracle.install.commons.base.driver.common.Installer.startup(Installer.java:265)
at oracle.install.ivw.client.driver.ClientInstaller.startup(ClientInstaller.java:85)
at oracle.install.ivw.client.driver.ClientInstaller.main(ClientInstaller.java:95)