Eclipse market place 500 error

Summary

Eclipse market place search is not working and returns 500 error. Also using this link in the browser also shows the error: https://marketplace.eclipse.org/api/p/search/apachesolr_search/gwt?client=org.eclipse.epp.mpc.core&os=win32&platform.version=4.27 and now it has become impossible to install GWT plugin, either from search or drag and drop