In the java ecosystem, there are several frameworks that hinder the developer than help. Older spring, struts, hibernate frameworks are generally too structured that if we want to achieve something we've to search the internet and find out hacks. In my opinion, the framework should be well documented and searchable with right examples.
In UI, older AngularJS was a huge nightmare for developers. Don't know how it has improved now.
In UI, older AngularJS was a huge nightmare for developers. Don't know how it has improved now.