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I'm using Netbeans 6.9.1, everything was just fine however suddenly, it has stopped detecting any changes made to the code, e.g new variables, functions, etc. If I try to refactor/rename a variable, e.g by pressing CTRL + R, it says 'Refactoring not available in this context'.
Its in a PHP project if that matters.
Any ideas?
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For windows : Go to Tools > Options > Editor > Code Completion. Select Language Java from dropdown. Auto pop-up on typing any Java identifier part.
If you go into NetBeans > Tools > Options > Editor > Code Completion, you can check or uncheck "Auto Popup Completion Window" for whatever Languages you want.
On the main NetBeans menu, choose Build → Build Main Project. The output window shows a successful compilation. If the compilation isn't successful, make changes to the code in the editor window, and try compiling again.
Displaying JavadocFrom the menu bar, select Window > IDE Tools > Javadoc Documentation to open the Javadoc window, in which the documentation is refreshed automatically for the location of your cursor.
Since NetBeans 7.2 the cachedir has been moved to the following locations:
C:\Users\<username>\AppData\Local\NetBeans\Cache\7.2\ on Windows
/Users/<username>/Library/Caches/NetBeans/7.2/ on Mac OS X
/home/<username>/.cache/netbeans/7.2 on Unix-like systems
Source: http://wiki.netbeans.org/FaqWhatIsUserdir
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tools>plugins>installed
then find the Java SE,
right click and Activate enter image description here
this works for me on netbeans 12.2
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