That is only a search field where you can begin typing a short description of your problem and/or keywords to see if there's already a thread in the community similar to yours.  It's like a Google search box, in effect.  As you type your problem description, it will auto-suggest matching threads in the community.  If you like one of the suggestions, you can browse to it, otherwise, it allows you to start a new thread.  When opening a new topic/thread in the community, you get presented with a rich text editor window that allows MUCH more than 100 charactors.   HTH, Clint ... View more

I'm not sure why the user wouldn't have been created, but I know you're dealing with an offline cluster so maybe something else in the parcel installation didn't work as expected.  The error seems pretty clear, though, you need the "solr" user on your systems.  Have you tried manually creating that user and seeing if that helps? ... View more

If you want to perform the install and configure yourself, you can download Cloudera Express 4 and follow the install instructions for that.  Or you can even try our Cloudera Enterprise 5 Beta 2 version if you would like to test the beta release.   If you would like to just have a pre-packaged, working, single node hadoop cluster to test things on, we also offer the Quickstart VM.   HTH,   Clint ... View more