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Indigo slow & freezing when editing EJB [message #777397]

Tue, 10 January 2012 07:12

Eclipse User

Hello,

I have noticed that Eclipse Indigo has some performance issues while editing EJB.
If my class is annotated by "Stateless", IDE response is very poor, it keeps freezing, cursor moves very slowly and code completition dialog loads quite a while... Very frustrating...
The only way I can work with this file is to comment "Stateless" annotation. Then everything works fast. IT seems like some process in the background keeps doing something very processor-consuming.

Can you please tell me where the problem might be? I turned off all validators (Windows->Preferences->Validation, both Manual and Build section), but with no success.

My plugins are WTP, subclipse and m2e.

Thank you

Re: Indigo slow & freezing when editing EJB [message #780865 is a reply to message #777397]

Thu, 19 January 2012 12:59

Eclipse User

Hi Mike,

Have you got annotation processing enabled on your EJB project?

You can check by right-clicking on the project and selecting Properties then Java Compiler > Annotation Processing.

If you do does it make any difference if you disable it?

Thanks,
Shane

Re: Indigo slow & freezing when editing EJB [message #786252 is a reply to message #780865]

Mon, 30 January 2012 02:10

Eclipse User

Hello Shane, thank you for your response.
I checked project settings and Annotation Processing was not enabled (to be more specific - there was default settings where only "Enable processing in editor" option was checked). However even if I turned on project specific settings and turned off "Enable processing in editor", IDE is still very slow when editing EJB.

Is there any way how to find out which process is taking CPU ? (for example from logs)

Re: Indigo slow & freezing when editing EJB [message #786708 is a reply to message #786252]

Mon, 30 January 2012 13:38

Eclipse User

You could check the logs (Window > Show View > Error Log) to see if there's anything logged there when this happens.

But to find out which process is taking CPU you will have to use a profiler.

Have a look at the Eclipse TPTP project http://www.eclipse.org/tptp/

Also the Visualvm which ships as part of the JDK (since 1.6 update 7) http://visualvm.java.net/index.html

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