> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Sunday, August 01, 2010 8:19
> To: [email protected]
> Subject: Re: Calling a CGI script from Servlet
>
>
>
>
> Mark,
>
> Thanks for the reply. I am using Tomcat 6.0.20. The script
> is located in WEB-INF/cgi and in the call I am using an absolute path:
>
> //System Call
> String[cmd] = {"python",
> 'home/troy/NetBeansProjects/GSMFilter/web/WEB-INF/cgi/helloWor
Do you mean /home?
> ld.py", "-c"}; Runtime rt = Runtime.getRuntime(); Process proc = >
rt.exec(cmd); int exitVal = proc.waitFor();
>
> //Write exit value to file - Get value of zero
> toFile.write("" + exitVal);
>
> MY ORIGINAL POST:
>
> I am new to configuring tomcat (I have run it for a few years
> as it is packaged with Netbeans) and new to linux and I am
> stuck on a particular problem.
>
> I have a project in which I am trying to call a python code
> from a servlet. I am using tomcat6 on Ubuntu 10.04. I have
> used both Runtime.exec() as well as ProcessBuilder to make
> the call. I have completely copied the code from the
> JavaWorld article When Runtime.exec() won't
> (http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.h
tml). ; I have granted full permissions on all the files (read, > write and
execute). When I get an exit value on the
> execution of the script I get a value of 0 (zero). I am able
> to execute the script from a simple java program in this
> environment (tomcat and Ubuntu) using the same syntax but not
> in the servlet. I am able to execute the script from the
> servlet in Ubuntu 10.04 from glassfish and I am able to
> execute the script from the servlet in tomcat6 in a windows
> environment. However, when I try to execute the script from
> the servlet in tomcat6 and Ubuntu 10.04 - nothing - even
> though I get the exit value of zero, I get the zero value
> returned but no action from the script (all it does is open
> the default browser).
>
> I have made the following changes in my tomcat installation:
>
> Uncommented the following in the web.xml:
>
> <servlet>
> <servlet-name>cgi</servlet-name>
>
> <servlet-class>org.apache.catalina.servlets.CGIServlet</servlet-class>
> <init-param>
> <param-name>debug</param-name>
> <param-value>0</param-value>
> </init-param>
> <init-param>
> <param-name>cgiPathPrefix</param-name>
> <param-value>WEB-INF/cgi</param-value>
> </init-param>
> <load-on-startup>5</load-on-startup>
> </servlet>
>
> <servlet-mapping>
> <servlet-name>cgi</servlet-name>
> <url-pattern>/cgi-bin/*</url-pattern>
> </servlet-mapping>
>
> My tomcat-users:
>
> <tomcat-users>
>
> <role rolename="tomcat"/>
> <role rolename="role1"/>
> <role rolename="manager"/>
> <user username="tomcat" password="tomcat" roles="tomcat"/>
> <user username="both" password="tomcat" roles="tomcat,role1"/>
> <user username="role1" password="tomcat" roles="role1"/>
> <user username="tomcat" password="tomcat" roles="manager"/>
>
> </tomcat-users>
>
> Change made in context.xml:
> <Context reloadable="true" privileged="true">
>
> Added to system.policy:
> // Grant WebApps All Permission
> grant codeBase "file:/var/lib/tomcat6/webapps/-" {
> permission java.security.AllPermission; };
>
> Added to catalina.policy:
> grant codeBase "file:${catalina.home}/webapps/GSMFilter/-" {
> java.io.FilePermission
> "/var/libs/tomcat6/webapps/GSMFilter/WEB-INF/storage/<<ALL
> FILES>>", "read,write,execute,delete"; };
>
> grant codeBase "file:${catalina.home}/webapps/GSMFilter/-"{
> permission java.security.AllPermission; };
>
> grant codeBase "file:${catalina.home}/webapps/GSMFilter/-"{
> permission java.lang.RuntimePermission
> "/home/troy/NetBeansProjects/GSMFilter/web/WEB-INF/storage/<<A
LL FILES>>", "read,write,execute,delete";
>
>
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