RE: Properties file problem
Hardwiring a directory inside a war's web.xml will likely get you into
portability problems. If you must do this, at least make it a JNDI lookup
so that the JNDI provider (Tomcat, other app server) can manage this
resource -- that is, the person deploying the app has some flexibility in
where to put the file(s).
Tim
-Original Message-
From: VIKASS NAGPAL [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 25, 2006 12:07 PM
To: Tomcat Users List; [EMAIL PROTECTED]
Subject: Re: Properties file problem
Hi All,
I think the problem can be resolved by creating the temporary directory,
anyother directory which location can be hard-wired as initial parameter in
the web.xml file. But where in my application's web.xml I have to
hard-wire this directory. Can you please let me exactly where should I
hard-wire this directory so that my application can dynamically create the
properties file inside this directory.
Thanks,
Vikas Nagpal.
--- Hadraba Petr [EMAIL PROTECTED] wrote:
Hi Vikas,
some details:
I see you're correctly using the
getClass.getResource() (I'm using
getServletContext().getResourceAsStream() or
getServletContext().getResource()). But, Why are you creating
resources? You see all the war content in the host OS filesystem
because of unpackWars=true. This is because of performance (I hope)
and if you set this to false, Tomcat will *read* resources (also
classes and anything else) from the WAR file directly! You are mixing
two things together: one are resources (they are using URL instead of
File) and on the other side Host OS FileSystem (the File objects).
So, you store database connection parameters in the property file. I
see two options to solve your problem:
1. Move the property file outside the resources if you want dynamic
creation. For example: temporary directory, any other directory which
location can be hard-wired as initial parameter in the web.xml file.
2. Use Tomcat's database pooler. You give more performence (if you're
not using your own database connection pooler)!
Please explain what you want to do, what's your goal...
Have a nice day
PETR
On 4/21/06, VIKASS NAGPAL [EMAIL PROTECTED] wrote:
Hi All,
I have a problem here. I have Pproperties file.
It has the following code:
File f = new File(propertyFolder);
if (!f.exists()) f.mkdir();
f = new File(propertyFolder +
System.getProperty(file.separator) + propertyFileName);
if (!f.exists())
{
String s = ((this.getClass().getResource(/ +
propertyFileName)).toString());
File pf = new File(s.substring(6));
This code creates a folder with the name propertiespaydir and file
with the name pdr.properties. In order to connect to the
database i
have to read the Servername, Database name,
Username
and password from this file or creates a file with
the
name pdr.properties file. But If i rename this pdr.properties file
to something else then my code does not create the file with the
name
pdr.properties.
So I cannot connect to the database. So anyone of
you
knows what change should i make into my existing
code
in order for me to create the file with the name pdr.properties in
case it does not exist. I would really be thankful for any help in
this matter.
Thanks,
With regards,
Vikas Nagpal.
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--
Petr Hadraba
graphic artist and software designer
http://people.hadraba-soft.com/~petr
hadrabap AT bluetone DOT cz
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Re: Properties file problem
I am sorry, but I do not know what you are trying to do. The best place for
this type of question would be on a Java list. This is a list specific to
Tomcat issues.
On 4/20/06, VIKASS NAGPAL [EMAIL PROTECTED] wrote:
Hi All,
I have a problem here. I have Pproperties file.
It has the following code:
File f = new File(propertyFolder);
if (!f.exists()) f.mkdir();
f = new File(propertyFolder +
System.getProperty(file.separator) +
propertyFileName);
if (!f.exists())
{
String s = ((this.getClass().getResource(/ +
propertyFileName)).toString());
File pf = new File(s.substring(6));
This code creates a folder with the name
propertiespaydir and file with the name
pdr.properties. In order to connect to the database i
have to read the Servername, Database name, Username
and password from this file or creates a file with the
name pdr.properties file. But If i rename this
pdr.properties file to something else then my code
does not create the file with the name pdr.properties.
So I cannot connect to the database. So anyone of you
knows what change should i make into my existing code
in order for me to create the file with the name
pdr.properties in case it does not exist. I would
really be thankful for any help in this matter.
Thanks,
With regards,
Vikas Nagpal.
__
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--
Marc Farrow
Re: Properties file problem
Hi Vikas,
some details:
I see you're correctly using the getClass.getResource() (I'm using
getServletContext().getResourceAsStream() or
getServletContext().getResource()). But, Why are you creating
resources? You see all the war content in the host OS filesystem
because of unpackWars=true. This is because of performance (I hope)
and if you set this to false, Tomcat will *read* resources (also
classes and anything else) from the WAR file directly! You are mixing
two things together: one are resources (they are using URL instead of
File) and on the other side Host OS FileSystem (the File objects).
So, you store database connection parameters in the property file. I
see two options to solve your problem:
1. Move the property file outside the resources if you want dynamic
creation. For example: temporary directory, any other directory which
location can be hard-wired as initial parameter in the web.xml file.
2. Use Tomcat's database pooler. You give more performence (if you're
not using your own database connection pooler)!
Please explain what you want to do, what's your goal...
Have a nice day
PETR
On 4/21/06, VIKASS NAGPAL [EMAIL PROTECTED] wrote:
Hi All,
I have a problem here. I have Pproperties file.
It has the following code:
File f = new File(propertyFolder);
if (!f.exists()) f.mkdir();
f = new File(propertyFolder +
System.getProperty(file.separator) +
propertyFileName);
if (!f.exists())
{
String s = ((this.getClass().getResource(/ +
propertyFileName)).toString());
File pf = new File(s.substring(6));
This code creates a folder with the name
propertiespaydir and file with the name
pdr.properties. In order to connect to the database i
have to read the Servername, Database name, Username
and password from this file or creates a file with the
name pdr.properties file. But If i rename this
pdr.properties file to something else then my code
does not create the file with the name pdr.properties.
So I cannot connect to the database. So anyone of you
knows what change should i make into my existing code
in order for me to create the file with the name
pdr.properties in case it does not exist. I would
really be thankful for any help in this matter.
Thanks,
With regards,
Vikas Nagpal.
__
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Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
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To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
--
Petr Hadraba
graphic artist and software designer
http://people.hadraba-soft.com/~petr
hadrabap AT bluetone DOT cz
Properties file problem
Hi All,
I have a problem here. I have Pproperties file.
It has the following code:
File f = new File(propertyFolder);
if (!f.exists()) f.mkdir();
f = new File(propertyFolder +
System.getProperty(file.separator) +
propertyFileName);
if (!f.exists())
{
String s = ((this.getClass().getResource(/ +
propertyFileName)).toString());
File pf = new File(s.substring(6));
This code creates a folder with the name
propertiespaydir and file with the name
pdr.properties. In order to connect to the database i
have to read the Servername, Database name, Username
and password from this file or creates a file with the
name pdr.properties file. But If i rename this
pdr.properties file to something else then my code
does not create the file with the name pdr.properties.
So I cannot connect to the database. So anyone of you
knows what change should i make into my existing code
in order for me to create the file with the name
pdr.properties in case it does not exist. I would
really be thankful for any help in this matter.
Thanks,
With regards,
Vikas Nagpal.
__
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