Ctrl + Space not working for content assist on eclipse

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Ctrl + Space not working for content assist on eclipse



My problem is that the content assist window won't pop up after clicking Ctrl + Space. I checked my shortcuts and the content assist is bound to Ctrl + Space. Sometimes the window automatically pops up making suggestion after typing dot e.g., but this won't happen when using the keys combination.


Ctrl + Space


Ctrl + Space



Eclipse version:



Eclipse Java EE IDE for Web Developers.



Version: Kepler Service Release 1 Build id: 20130919-0819



My OS is Ubuntu 12.04 if that matters.





What development environment are you in? Java, CDT, PyDev?
– aruisdante
Jun 2 '14 at 3:02





possible duplicate of Ctrl Space Not Working in Eclipse Helios on Win 7
– aruisdante
Jun 2 '14 at 3:03





Also could be a duplicate of this: stackoverflow.com/questions/17358312/…
– aruisdante
Jun 2 '14 at 3:04




9 Answers
9



I managed to fix it finally. The problem was that the ibus was overriding the shortcut so I deleted this shortcut configuration.



Type ibus in the dash:
Search for ibus



Then select Keyboard Input Methods. From there click on the first three dots next to the Enable or disable textfield. This windows should appear: Shortcuts



If there is something bound to Ctrl + Space simply delete it.





I can confirm this fixed the same problem with a combination of Xubuntu 14.04 and Eclipse Luna 4.4.1. Very grateful, Ivaylo Toskov!
– sharky
Dec 12 '14 at 1:40





Thankyou ! This was driving me crazy !
– Nicholas
Feb 15 '15 at 20:50





Thanks! This is exactly what caused my problem in XFCE. Just FYI The same dialog can be displayed by typing ibus-setup in terminal (source: nixnote.blogspot.de/2012/08/…)
– oᴉɹǝɥɔ
Jul 6 '15 at 20:32



ibus-setup



In my case;
Window>Preferences>Java>Editor>Content Assist>Advanced



Make sure Select the proposal>Template Proposals,SWT Template Proposals,Java Proposals ,Content assist cycling>Template Proposals,SWT Template Proposals,Java Proposals is ticked.





Thanks devcelebi, Its worked
– Dev4World
Mar 14 at 10:12



To enable Ctrl+Space.



1) Go to Control Panel --> Region and Language --> select Keyboard and Languages tab --> Change Keyboard button --> select General tab --> Under Installed Services --> Remove all languages except English(United States). click apply and ok.



2) Eclipse --> Windows --> Preferences --> Java --> Editor --> Content Assist --> Advanced --> select all Java & Java Type Proposals.



3) Eclipse --> Windows --> Preferences --> General keys --> Type Content Assist in right side search box --> Select command Content Assist --> click on Restore To Default --> Apply --> ok



Now you are ready to use ctrl + space feature for content assist.



Earlier I was also facing the same issue : I just followed below steps :



Go to Windows --> Preferences --> Java --> Editor --> Content Assist --> Advanced --> select all Java & Java Type Proposals.



Click on Apply and close it.



enter image description here



It happened to me also,
What I have done is change the workspace folder to
Another folder and problem solved!



This issue happened to me and none of the stack solutions seemed to resolve it. I finally figured that some other windows task was stealing my hotkey press. If nothing else works, I recommend that you downloaded a free software 'Windows Hotkey Explorer' that reported the registered hotkeys.



In my particular situation, I found ctrl+space was seized by 'blackboard collaborate' (a unpalatable java application for webcasts used by some of my courses).



I closed Eclipse killed all java processes (which included blackboard). Restarted eclipse and my autocomplete was back!



(Note: Hotkey Explorer was incredibly buggy and crashed every time I used it. I was able to get the information I needed before it crashed though so it was useful. Another (shareware) application that I didn't use but noticed online is: Hotkey Commander.



Though I have eclipse proposal settings configured properly it was not working for me. In my case Ctrl+space key combination was hijacked by another background running process(I was running AllwaysOnTop utility for windows). it worked after exit that process. :)



Ctrl+space was not working in my eclipse.Somehow it got disabled.



I have tried many options and didnt worked any options.



Finally this was work out



Go to Preferences > Java > Editor > Content Assist > The "Auto activation triggers for Java:" field.
Paste "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz." (note the dot after z) .This is the best solution and no need to even press ctrl+space.



Go to Windows > Preferences > Java > Editor > Content Assist > Advanced > select all Java only. If you select all, then multiple occurrence of same instance would be shown in Suggestion list. which might be annoying some times.



enter image description here






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