I have recently been setting up SVN in Eclipse using the Subversive plugin (I am still a bit lost, but that\'s another issue).
I have been using this guide (http://s
You may be missing the JDT plugin containing the Package Explorer.
Go to Window -> perspective -> Open Perspective -> Java. Now all the packages in Java will be displayed in the package explorer.
Weirdly enough, although reset perspective didn't work, menu Window → New window worked! It opened a new window with the perspectives reset.
On the right top you can select Java or JRE or whatever. That button might got changed. So click the neighbor buttons such as Java or something.
Alt+Shift+Q worked for me when I was in debug mode.
Three answerers were helpful, however the only cure was to reinstall Eclipse and install the plugins again. Weird problem, and the exact cause not found. I may have deleted some files somehow, but a reinstall solved it.