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Tomcat as Service and load a dll

Posted on 2004-08-16
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Last Modified: 2010-03-04
hi All,
I am running tomcat 4.1.29 as windows service.
The application which i am attempting to deploy on the server requires a dll to work.

When i run tomcat standalone , the app  runs just fine as it is able to find the dll.

But when i set it as the service , i get java.library.path error , basically meaning the application is not able to load the dll.

Does tomcat do something special when it runs as a service.

note: i have added dll to windows path.


Where else i need to do the setting so that service can load the also.

thanks in anticipation
Bhuvnesh Sharma
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Question by:bhuvneshsharma
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LVL 9

Expert Comment

by:ronan_40060
ID: 11818829
Hello Bhuvanesh Sharma

Its the  jvm.dll that needs to be set  in the path so you need  search and correct the path for dll and things will work just fine.
When u make path chances you need  to first uninstall the service and then install it again
Ronan
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Author Comment

by:bhuvneshsharma
ID: 11819536
Ronan,
the application requires a custom dll to work. I have already added that to the system path. Tomcat as a service does not recoganize that where as if running standalone it works fine.

it is not the issue with jvm.dll , because i think java setting are fine.

thanks for your help
Bhuvnesh
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LVL 15

Assisted Solution

by:samri
samri earned 125 total points
ID: 11822042
hi bhuvneshsharma,

When you did mentioned about changing PATH, where exactly this is happening, in the tomcat startup or the Windows system path.  
.

Also check the tomcat startup -- forgot which one.  and check if there is an option to add %PATH% environment variable there.  Which I think it should.

Check this part out - On your windows desktop, right-click on "My computer", select "Properties", and  "Advanced" and choose "Environment Variable" button.  Locate the "System variable", and append the desired path to the line.  (I think this is what Ronan is talking about).

I hope this is what we are looking at.

Alternately, I would think adding a AUTOEXEC.BAT file, and Add the line "SET PATH=%PATH%;c:\new path;" should work. :)

worst case scenario, try to cross-post in Windows2000 (or like) TA. -- they got a bunch of Win* experts there..
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Author Comment

by:bhuvneshsharma
ID: 11823051
thanks guys,
I kind of got it fixed , strange thing it was not able to find the dll if i ran the service with localsystem account. But in case i ran it with a account which had administrative rights to the machine, it worked fine.

Not sure what access rights on the machine are required for that. Still searching will let you know.:)

PS: I had already added the custom dll to PATH variable .

thanks
Bhuvnesh
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LVL 9

Accepted Solution

by:
ronan_40060 earned 125 total points
ID: 11823667
Hello Bhuvnesh
run the following command to install tomcat as a service.

%CATALINA_HOME%\bin\tomcat -install "Apache Tomcat" "%JAVA_HOME%\jre\bin\classic\jvm.dll" -Djava.class.path="%CATALINA_HOME%\bin\bootstrap.jar;%JAVA_HOME%\lib\tools.jar" -Dcatalina.home="%CATALINA_HOME%" -Xrs -start org.apache.catalina.startup.Bootstrap -params start -stop org.apache.catalina.startup.Bootstrap -params stop -out "%CATALINA_HOME%\logs\stderr.log"

The above command will install tomcat as a service.
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LVL 9

Expert Comment

by:ronan_40060
ID: 12185663
Hello Periwinkle
Samri and I both tried to give the answers .
The points should be splitted and wud be given grade B atleast
regards
Ronan
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Author Comment

by:bhuvneshsharma
ID: 12185682
Ronan,
I have split the points as suggested.


thanks for your help

Bhuvnesh Sharma
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