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Posts Tagged ‘Eclipse’

Few things when using Eclipse

January 13, 2015 Leave a comment

Workspace is locked.

If you encounter the situation which Eclipse says:

“Could not launch the product because the associated workspace is currently in use by another Eclipse application.” or “Workspace in use or cannot be created, chose a different one.”

Screen Shot 2015-01-13 at 11.38.30 AM

Just delete the .lock file in the .metadata directory in your eclipse workspace directory.

Install Eclipse IDE and Java/C++ development tools on Ubuntu12.04 LTS Precise Pangolin using command line

Original link: http://www.inforbiro.com/blog-eng/ubuntu-12-04-eclipse-installation/
1) Open a terminal and enter the command
sudo apt-get install eclipse-platform
2) After Eclipse is installed you can install development plugins based on your needs, e.g.:
will install Java Development Tools (JDT) package for Eclipse
sudo apt-get install eclipse-jdt
will install C/C++ development tools packages for Eclipse
sudo apt-get install eclipse-cdt

Replace tab with spaces in Eclipse CDT:

Original from here.
For CDT: Go to Window/Preference -> C/C++ -> Code Style -> Formatter -> New (create a new one because the built in profile can not be changed) -> MyProfile (choose one name for the profile) -> Indentation, Tab Policy –> Spaces only

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The Java UnsupportedClassVersionError

March 26, 2013 Leave a comment

I was having an error when compile one piece of code within Eclipse.

java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version;/CareMonths, offset=6

Got some help from here, which thinks that the reason of the error is because of the unmatched jdk version. And of course, install it.

So tried a simple fix, and it works:

1. go to here download the right version, I am downloading the newest version because of my code.

2. In your eclipse, go to Window->preference->Java->Installed JREs.

From where you can find your current version& its path. Do ‘Add’ add the newest installed JDK <> . If you are using window, the default installation path is <C:\Program Files\Java\jdk1.7.0_17>. Check this version for your project.

 

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