Zebra Server in Koha failed! OPAC search always says "No results found" is the result of Zebra Server issue. Zebra Server in Koha failed to start the you cannot search for items in Koha System.

First thing to look for during troubleshooting is: Go to About Koha and check if there is error message as shown in the image below. It means your Zebra Server is not running.

To start the Zebra Server:

1. # koha-stop-zebra library          Note: library is the koha instance name
2. # koha-start-zebra library

It should solve the OPAC search issue.