Eclipse: Could not load the Tomcat server configuration at \Servers\Tomcat v7.0 Server at localhost-config

Note: I am using Ubuntu Linux.

    – Close Eclipse
    – Go to your Eclipse workspace directory
    – Then go to directory .metadata/.plugins/org.eclipse.core.runtime/.settings
    – In Ubuntu, I do it by: cd ~/workspace/.metadata/.plugins/org.eclipse.core.runtime/.settings
    – Delete the following two files:
    – org.eclipse.wst.server.core.prefs
    – org.eclipse.jst.server.tomcat.core.prefs
    – You can do it by the following command:
    rm org.eclipse.wst.server.core.prefs
    rm org.eclipse.jst.server.tomcat.core.prefs
    – Start Eclipse 

If the above solution did not solve the problem then you can try the following solution which contains creating some softlinks along with deleting the above mentioned files.

    – Run the following commands in terminal

    cd ~/workspace/.metadata/.plugins/org.eclipse.core.runtime/.settings/
    rm org.eclipse.jst.server.tomcat.core.prefs
    rm org.eclipse.wst.server.core.prefs
    cd /usr/share/tomcat7
    sudo service tomcat7 stop
    sudo update-rc.d tomcat7 disable
    sudo ln -s /var/lib/tomcat7/conf conf
    sudo ln -s /etc/tomcat7/policy.d/03catalina.policy conf/catalina.policy
    sudo ln -s /var/log/tomcat7 log
    sudo chmod -R 777 /usr/share/tomcat7/conf
    sudo ln -s /var/lib/tomcat7/common common
    sudo ln -s /var/lib/tomcat7/server server
    sudo ln -s /var/lib/tomcat7/shared shared

    – Restart eclipse
    – In Project Explorer of Eclipse, you can see ‘Servers’. Right click and delete it.
    – Re-add the Server (File -> New -> Other -> Server)
    – Now your project on Eclipse should run fine. 

Hope it helps. Thanks.