Greetings,
I have been trying to do the following using Tomcat 4.1.12:
1) Attempt to have a servlet read a properties or any text file. Reading the
file from the doGet() method by:
BufferedReader br = null;
br = new BufferedReader(new FileReader(file)); //file is "test.properties"
Result: Varying success, because I dont quite comprehend the Tomcat "startup"
directory. Discovered that there is dependency on from where Tomcat was
started.
For example, if started Tomcat by ./bin/starup.sh from tomcat_home/bin/,
I must have the file the servlet reads located at tomcat_cat/bin/. If I
started Tomcat from tomcat_home/webapps/ by ../bin/startup.sh, I must have
the properties file located at tomcat_home/webapps/ or else the servlet will
not find this.
2) Atempt to have a servlet read a properties or any text file. Reading the
file from the init() method by:
BufferedReader br = null;
br = new BufferedReader(new FileReader(file));
Result: Starting Tomcat from tomcat_home/bin/ by ./bin/startup.sh, failure to
get Tomcat even to start, the log shows it only goes as far as Apache
Tomcat/4.1.12 and stops. Starting Tomcat from tomcat_home/webapps/ by
../bin/startup.sh Tomcat starts, some other context are running, but the
servlet reading this properties file on this specific context fails to find the
properties file. Is using File IO bad in the init() method? I want to do this
to initialize a standalone application.
I surmized I cant read a properties file from init() method using File class.
I did try as one suggested about using getResourceAsStream() with partial
success.
3) Can a stand alone application be started at all from a servlet? I cant seem
to get this to work, either from the init() or doGet() method. I can not launch
an application why from a servlet, why?
Any help on #3 please?
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