https://issues.apache.org/bugzilla/show_bug.cgi?id=54054

          Priority: P2
            Bug ID: 54054
          Assignee: dev@tomcat.apache.org
           Summary: 2 CGIServlet's with different Parameter
                    passShellEnvironment
          Severity: enhancement
    Classification: Unclassified
                OS: Linux
          Reporter: claus.rie...@googlemail.com
          Hardware: PC
            Status: NEW
           Version: 6.0.36
         Component: Catalina
           Product: Tomcat 6

Created attachment 29511
  --> https://issues.apache.org/bugzilla/attachment.cgi?id=29511&action=edit
2 webapps test1/test2.

I'm running Tomcat 6.0.36 with Java 1.6.0_32 on Ubuntu 12.04 (64 Bit).

I have 2 webapps test1 and test2 which use CGI with CGIServlet.
The difference between test1 and test2 is the Parameter passShellEnvironment.
test1 sets it to true, test2 to false.
When I call .../cgi-bin/getenv.pl, both apps show the complete environment.
I searched the source of CGIServlet and found, that there is a static 
Hashtable: 
static Hashtable<String,String> shellEnv = new Hashtable<String,String>();

So test1 sets this Hashtable and test2 has it too.
I suggest to remove the static.
Then only test1 has the environment.

In Tomcat 7.0.32 the problem is the same.

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