Problem opening a zip file within a jar file

Hi,
I have a jar file in a tomcat web server. The jar file includes a zip file which I've been trying to open with the following sentences:
SpellDictionary dict = null;
File f = new File(getClass().getResource*("us_US.zip"*).getFile());
dict = new OpenOfficeSpellDictionary( new ZipFile( f ) );
I'm getting this exception:
2007-09-13 15:31:38 java.util.zip.ZipException: No such file or directory
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:203)
at java.util.zip.ZipFile.<init>(ZipFile.java:84)
at com.iir.newsAdministration.textEditor.TextEditorSpellChecker.<init>(TextEditorSpellChecker.java:62)
If I run the application with the builded classes instead of the jar file, it works fine.
Any ideas about how can I make it work with the jar file?
Thanks in advance
Natalie

File f = new File(getClass().getResource*("us_US.zip"*).getFile());
This is not going to work.
What you need to do is create a Jar/ZipFile from your jar, then extract the ZipFile, put that in a temporary location, then open that with another ZipFile object

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