https://issues.apache.org/bugzilla/show_bug.cgi?id=46579

           Summary: JKISAPI_PATH & JKISAPI_NAME not usable with multiple
                    ISAPI instances
           Product: Tomcat Connectors
           Version: 1.2.27
          Platform: PC
        OS/Version: Windows Server 2003
            Status: NEW
          Severity: major
          Priority: P2
         Component: isapi
        AssignedTo: dev@tomcat.apache.org
        ReportedBy: ealva...@motionpoint.com


The jk_isapi_plugin.c is using SetEnvironmentVariable to set the JKISAPI_PATH
to the ISAPI dll path. The problem is that SetEnvironmentVariable is setting
the variable globally in IIS. So, when multiple ISAPI redirector dlls are
installed the value of the directory is which ever the last one that modified
it. Normally, when IIS is started or restarted the ISAPIs are initialized in
order so the these variable works correctly in the properties files.

# Use the logs in the installation path of ISAPI Redirector
log_file=$(ISAPI_PATH)\$(ISAPI_NAME).log

However, when an ISAPI redirect is reloaded it sometimes writes to a log file
of another ISAPI instance. Worse is that it reads the URI mapping rules from
another instance.

This problem has basically made the ISAPI_PATH variable useless in environments
where multiple instances of the ISAPI redirector are used on one machine.

I have summitted a enhancement request that would remove the need to used this
variables by using the relative path of the dll/properties file when a path is
not specified.

log_file=$(ISAPI_NAME).log

TIA,
Eugenio Alvarez


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