Urgent. How may i update a properties file in execution time?

Urgent, please. How may i update a properties file in execution time? I need to update the file by means of a web page and i need the changes be reflected immediately.
Thanks

Note the update must be made in memory. But i don�t know how.

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Author:   [email protected]
Date:     2009-06-22 12:13:58 -0700 (Mon, 22 Jun 2009)
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More updated project properties files for the sparkTest project.
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Author: [email protected]
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[svn:bz-trunk] 5125: Update excludes.properties file for BlazeDS/ trunk to exclude tests due to bugs BLZ-354, BLZ-355, and BLZ-356.

Revision: 5125
Author: [email protected]
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Log Message:
Update excludes.properties file for BlazeDS/trunk to exclude tests due to bugs BLZ-354, BLZ-355, and BLZ-356.
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http://bugs.adobe.com/jira/browse/BLZ-355
http://bugs.adobe.com/jira/browse/BLZ-356
http://bugs.adobe.com/jira/browse/QETOOLS-32
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Matt R. Sullivan
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P: 714.960.6840 | C: 714.585.2335 | [email protected]
@mattrsullivan LinkedIn facebook mattrsullivan.com
http://mattrsullivan.com/

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Hello all,
I'm new to this forum.
I have a problem in reading data from .properties file...
Follow is my properties file...
log4j.properties
log4j.rootLogger=warn, file, mail
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.maxFileSize=100KB
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log4j.appender.mail.BufferSize=1
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log4j.appender.mail.From=[email protected]
log4j.appender.mail.To=[email protected]
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I want to access file path given in .properties file..
I'm coding like this...
Properties props = new Properties();
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The above code is not getting me the string.. it shows null value...
Any solution...?
Thanks in advance......

RahulSharna wrote:
public Properties getProperties(String fileName)throws Exception{
Properties prop = null;
FileInputStream fis = null;
Exception e = null;
File file = new File(fileName);
if(!file.exists())
new FileNotFoundException(fileName);
try{
prop = new Properties();
fis = new FileInputStream(file);
prop.load(fis);
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e = exp;
}finally{
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fis = null;
file = null;
if(e != null)
throw e;
return prop;
}Hope the above snippet helps :)
REGARDS,
RaHuLYou do know that you can throw out of the catch block without "short-circuiting" the finally block, right? Making the declaration of e completely foolish. (Unless you actually want to do something after the try/catch block, of course.) And, if all you're going to do is throw the exception anyway, why bother catching it?

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hi
ok i tried it like its written in the tutorial...i do it like this:
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Urgent. How may i update a properties file in execution time?

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