Uncaught ReferenceError: key is not defined
at HTMLAnchorElement.<anonymous> (search:513)
at HTMLAnchorElement.dispatch (jquery-1.10.2.js:5095)
at HTMLAnchorElement.elemData.handle (jquery-1.10.2.js:4766)

by looking at code, 

the exception is thrown at this line, since key and value is undefined.

https://opensource.ncsa.illinois.edu/bitbucket/projects/CATS/repos/clowder/browse/app/views/metadatald/search.scala.html#295

endpoint of clowder dose not take count parameter.

https://opensource.ncsa.illinois.edu/bitbucket/projects/CATS/repos/clowder/browse/conf/routes?at=refs%2Fheads%2Fmaster#599

the api executes search on elasticsearch use default 0, 60 as search range.

https://opensource.ncsa.illinois.edu/bitbucket/projects/CATS/repos/clowder/browse/app/services/ElasticsearchPlugin.scala#173