#6283: Handle the case when the index is missing


Former-commit-id: b5ab1fb0acb74f9bfa57805a0312d04c49fc038a
#6290


Former-commit-id: 741fd953a795486e6b8159b564e35dbb7c25fe2c
Merge pull request #6305 from dotCMS/issue-6283-Hostaliascache

#6283: Handle the case when the index is missing

Former-commit-id: a9ff1e006a913a0ab9aae2873766c1435fa5bdf5
Merge pull request #6306 from dotCMS/issue-6290-hide-unused-buttons-in-dashboard-proprties-tab

#6290

Former-commit-id: 6427230559efc18928567ee3bab56a19e78e8c27
fixes #6280 Validation needed for upload plugin
fixes #6268 Blank entries creating every time
Merge pull request #6315 from dotCMS/issue-6280-Validation-needed-for-upload-plugin

fixes #6280 Validation needed for upload plugin
Merge pull request #6316 from dotCMS/issue-6268-Blank-entries-creating-every-time

fixes #6268 Blank entries creating every time
Merge remote-tracking branch 'remotes/origin/master' into issue-6227-6226-6224-license-changes