To access documentation from within Eclipse use menu Help > Help Contents.
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Eclipse™
Frequently Asked Questions
Q1: How do I install Java? I do not have java, Sun java or the java version on my system is old. I do not have superuser rights.
Q2: How do I install Eclipse? I do not have superuser rights.
Q3: How do I launch Eclipse using my Java?
Q4: How do I install the DVT license?
Q5: I get an error message 'Plug-in ro.amiq.edt was unable to load class ro.amiq...'. What is wrong?
Q6: I can't open Eclipse, I get "workspace already in use". What is wrong?
Q7: Can I launch Eclipse with a specific workspace (so it will not ask)?
Q8: Java crashed! What is wrong? (.hotspot_compiler)
Q9: Where can I find a spell checking dictionary?
Q10: Where can I find DVT Help?
Q11: I am behind a firewall. How do I configure a proxy in Eclipse for DVT install/update?
Q1: How do I install Java?
Download Java that fits your system configuration from Sun Latest Java Release
or Sun Previous Java Releases.
Pick one of the self-extracting files, make it executable and simply launch it at the location where you want the JVM dir installed. You need to accept the proposed license agreement:
$> chmod +x jre-1_6_0_02-linux-i586.bin
$> ./jre-1_6_0_02-linux-i586.bin
[ license agreement ...]
[ inflating ...]
$> ls
jre1.6.0_02 jre-1_6_0_02-linux-i586.bin
Q2: How do I install Eclipse?
You can download Eclipse from www.eclipse.org.
It is just a tar.gz file you have to unpack. We recommended to install the Eclipse SDK.
$> tar xzvf <filename>
.
Q3: How do I launch Eclipse using my Java?
$> <path_to_Eclipse>/eclipse -vm <path_to_JRE>/bin/java -vmargs -Xmx256M
Q4: How do I install the DVT license?
Set the $DVT_LICENSE_FILE system environment variable to the license file path.
Q5: I get an error message 'Plug-in ro.amiq.edt was unable to load class ro.amiq...'. What is wrong?
Usually this happens because of the default Java. DVT requires Java 1.6 or newer.
You can check your Java version with:
$> java -version
See Q1 for upgrading your Java.
See Q3 for launching Eclipse with a different Java.
Q6: I can't open Eclipse, I get "workspace already in use". What is wrong?
First make sure you don't have another Eclipse running using the same workspace.
One and only one Eclipse instance can work in a specific workspace directory.
If no other Eclipse is running using the same workspace, remove the <workspace_dir>/.lock file.
Q7: Can I launch Eclipse on a specific workspace?
Use the -data argument. Use it before the -jvm argument, if any.
$> eclipse -data <my_workspace_dir> ... other arguments.
Q8: Java crashed! What is wrong? (.hotspot_compiler)
Put the .hotspot_compiler file in the directory where you launch Eclipse from.
Q9: Where can I find a spell checking dictionary?
You can download an English dictionary updated with design and verification terms from dvt_dictionary.txt.
You can download a generic English dictionary from http://www.javalobby.org/images/postings/rj/eclipse_spelling/dictionary.txt.
You can also read http://www.javalobby.org/java/forums/t17453.html
After you download a spell dictionary you should go to Window > Preferences > General > Editors > Text Editors > Spelling and use the Browse button to select the dictionary of your choice. Make sure that check-button Enable Spelling is set. The image bellow highlights the available spelling options:
Q10: Where can I find DVT Help?
You can access it by Help> Help Contents and Eclipse Help System is opened. The DVT Help is just another chapter inside Eclipse Help as the image bellow shows:
Q11: I am behind a firewall. How do I configure a proxy in Eclipse for DVT update?
Sometimes you may be behind a firewall and get errors like:
Network connection problems encountered during search.
Unable to access "http://www.dvteclipse.com/update".
Unable to access site:
"http://www.dvteclipse.com/update" [www.dvteclipse.com]
Get the proxy settings from your browser:
- Mozilla, menu Edit > Preferences > Advanced > Proxies
- Firefox, menu Edit > Preferences > General > Connection Settings > Http Proxy
and fill them in Eclipse at menu Window>Preferences>Install/Update:
- check enable HTTP proxy connection
- set the IP/port of the proxy using the data you found in your browser
