ID:oracle.install.commons.util.exception.DefaultErrorAdvisor:37 oracle.cluster.verification.VerificationException: :

few dayas back when installing oracle on linux machine after start ./runinstaller
a error pop-up displayed with with hostname: hostname below the log of error
---# Begin Stacktrace #---------------------------
ID: oracle.install.commons.util.exception.DefaultErrorAdvisor:37
oracle.cluster.verification.VerificationException: <HOST-NAME>: <HOST-NAME>
        at oracle.cluster.verification.ClusterVerification.<init>(ClusterVerification.java:231)
        at oracle.cluster.verification.ClusterVerification.getInstance(ClusterVerification.java:333)
        at oracle.install.driver.oui.OUISetupDriver.load(OUISetupDriver.java:419)
        at oracle.install.ivw.db.driver.DBSetupDriver.load(DBSetupDriver.java:190)
        at oracle.install.commons.base.driver.common.Installer.run(Installer.java:299)
        at oracle.install.ivw.common.util.OracleInstaller.run(OracleInstaller.java:106)
        at oracle.install.ivw.db.driver.DBInstaller.run(DBInstaller.java:136)
        at oracle.install.commons.util.Application.startup(Application.java:891)
        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.db.driver.DBInstaller.startup(DBInstaller.java:124)
        at oracle.install.ivw.db.driver.DBInstaller.main(DBInstaller.java:155)
Reason/Solution

• Register your servername in /etc/host
• Check ping servername is working fine if not working server name is not configure properly
• nslookup <server name> must return ip-address working server name is not configure  properly