View source for Graphical Eclipse FAQs

The '''Graphical Eclipse FAQs''' is a collection of [[Category:FAQ|FAQs]] that have been produced by the Eclipse community in hopes of helping guide users through frequently asked questions with the help of verbal instructions and graphical screenshots.

==Eclipse Platform/Workspace==
===How do I find out which Java runtime environment is being used to run my Eclipse?===
1. Go into the Help menu and then click on About Eclipse SDK.

[[Image:Help  Menu.jpg]]

2. Now in the opened about dialog, click on 'Configuration Details'.  Note that the following screen shots are for Galileo; for Helios distributions, you should instead click on the 'Installation Details' button and then select the 'Configuration' tab.

[[Image:Configuration Details 01.jpg]]

3. Now take a look at the java.vendor and java.version property.

[[Image:Configuration Details.jpg]]

===How do I show line numbers in the Eclipse text editor?===
1. Right-click on the left margin of your text editor and then click on 'Show Line Numbers'.

[[Image:Line Numbers.jpg]]

===How do I change the colour of the highlighting marker that highlights all the occurrences of some element in the text editor?===
1. Go into the Window menu and then click on Preferences.

[[Image:Preferences.jpg]]

2. Now navigate to the 'Annotations' preference page as below and change the colour of the 'Occurrences' annotation type.

[[Image:Annotations Preferences.jpg]]



===I have just installed a plug-in but I do not see any indication of it in my workspace. What do I do?===
1. Did you try restarting Eclipse with the -clean argument? The instructions provided here are for Windows users. For UNIX-based system users, the steps are similar and you should be able to follow along without any trouble. First, open your Start menu and then click on Run.

[[Image:Windows Run.jpg]]

2. Type in 'cmd'.

[[Image:Windows Command Prompt.jpg]]

3. Navigate to your Eclipse folder and then run Eclipse with the -clean argument appended to it.

[[Image:Eclipse Clean.jpg]]

===How do I not install a plug-in's extraneous dependency when I'm in the Update Manager?===
1. Are you seeing a screen similar to the one where the plug-in you are installing is asking for some other plug-in?

[[Image:FAQ Dependency Required.jpg]]

2. Expand the section by clicking on the arrow. Keep expanding until you see everything and then tick off the "additional dependencies" that you don't want.

[[Image:FAQ Dependencies Removed.jpg]]

3. Now you can install the plug-in without installing other things.

===How do I check for the command line invocation that Eclipse used to launch an application?===
1. Open up the 'Debug' view and then open up the context menu on your process and access its properties.

[[Image:FAQ Debug View.jpg]]

2. You can identify the command used from the properties dialog.

[[Image:FAQ Debug Properties.jpg]]

==JDT==
===How do I change the compiler compliance level for my workspace?===
1. Open up the preferences dialog by going to the Window menu.

[[Image:Preferences.jpg]]

2. Now navigate to the Java compiler preferences page as below and then select your compiler compliance level. The same steps can be applied on a per-project basis by accessing your project's properties page.

[[Image:Compiler Preferences.jpg]]

===How do I add arguments to the Java program I am running?===
1. Open up the run dialog via the dropdown toolbar item.

[[Image:Run Dialog.jpg]]

2. Select your Java Application launch configuration. Go into the 'Arguments' tab and then type in your arguments in that text field.

[[Image:Java Program Args.jpg]]

===How do I alter my package representation so that parent packages are housing child packages?===
1. Click on the dropdown menu on the Package Explorer view. Go to the 'Package Representation' submenu and then click on 'Hierarchical'.

[[Image:Package Representation 01.jpg]]

2. You should now see your packages presented in a tree like structure.

[[Image:Package Representation 02.jpg]]

===I clicked on something and now I can only see the method that I am currently editing. What do I do? Did I lose my entire file?===
1. No, you must've clicked on the 'Show Selected Element Only' toolbar item. See below and unselect it.

[[Image:Show Selected Element Only.gif]]

==PDE==
===I get an unhandled event loop exception in my console. What gives?===
1. Open up the run dialog via the dropdown toolbar item.

[[Image:Run Dialog.jpg]]

2. Select your Eclipse Application launch configuration. Go into the 'Arguments' tab and then append '-consoleLog' as an argument and then try running your application again.

[[Image:PDE Console Log.jpg]]

[[Category:FAQ]]