Hi Gent...
I have get the below error when try to runistaller grid software....
Please help me out to resolve this issue.
[grid@rac1 grid]$ ./runInstaller
Starting Oracle Universal Installer...
Checking Temp space: must be greater than 120 MB. Actual 18015 MB Passed
Checking swap space: must be greater than 150 MB. Actual 7947 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/OraInstall2017-10-29_10-47-59PM. Please wait ...[grid@rac1 grid]$ 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(LookUtils.java:484)
at com.jgoodies.looks.LookUtils.<clinit>(LookUtils.java:249)
at com.jgoodies.looks.plastic.PlasticLookAndFeel.<clinit>(PlasticLookAndFeel.java:135)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:242)
at javax.swing.SwingUtilities.loadSystemClass(SwingUtilities.java:1779)
at javax.swing.UIManager.setLookAndFeel(UIManager.java:453)
at oracle.install.commons.util.Application.startup(Application.java:785)
at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:165)
at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:182)
at oracle.install.commons.base.driver.common.Installer.startup(Installer.java:348)
at oracle.install.ivw.crs.driver.CRSInstaller.startup(CRSInstaller.java:98)
at oracle.install.ivw.crs.driver.CRSInstaller.main(CRSInstaller.java:105)
Regards,