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- Why do I get Out of Environment Space?
- When I start up tomcat (or when it is running), I get the error java.lang.IllegalMonitorStateException: current thread not owner
- Can I turn off case sensitivity?
- Can I use NTLM authentication?
- I want to redeploy web applications, how do I prevent resources from getting locked?
- Can I use UNC paths?
- Why can't Tomcat see my mapped drive when running as a service?
- Why aren't access logs showing up in Tomcat on Vista?
- Why do I get a "HTTP/1.x 400 No Host matches server name" error when I change the "webapps" folder in Tomcat on Vista?
- How do I add or customize a Windows Service for Tomcat?
- What are tomcat6w.exe/tomcat6.exe (or tomcat7w.exe/tomcat7.exe etc..) ?
Answers
Why do I get Out of Environment Space?
Check the Tomcat README, and this link
When I start up tomcat (or when it is running), I get the error java.lang.IllegalMonitorStateException: current thread not owner
That weird issue was observed many years ago and now is a history. See the Tomcat Bug Report #13723 and Sun Bug Parade report #4776385 for the answer.
Can I turn off case sensitivity?
It is possible in Tomcat 6 and earlier, but not recommended.
Can I use NTLM authentication?
Yes.
I want to redeploy web applications, how do I prevent resources from getting locked?
Most locking issues will occur with JARs from /WEB-INF/lib, and are usually caused by access through URLs. Tomcat has mechanisms to allow avoiding locking.
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There is another lock prevention mechanism in Tomcat 5.5 (antiResourceLocking attribute), which will cause the web application files to be copied to the temp folder and run from this location. This has a larger impact on web application startup times, but obviously prevents locking on all resources of the web application. This also allows more flexible management operations as none of the web application resources will be locked, even while the web application is running (as a special note, when making changes to JSPs without reloading the application, the changes have to be duplicated to the path where the web application resources have been copied in the temp folder).
Can I use UNC paths?
Yes. Make sure that the user that Tomcat is running as is able to access the path. This is particularly important when running Tomcat as a service since the local service account will not have the necessary permissions.
Why can't Tomcat see my mapped drive when running as a service?
The mapped drives are part of a user's profile and they are not used when running as a service. You should be OK with UNC paths.
Why aren't access logs showing up in Tomcat on Vista?
By default, the Tomcat Windows Service installer attempts to place Tomcat inside the "Program Files" folder. Default Vista folder permissions cause various logging functions (though mysteriously not every log function) to fail silently. It is best to change Tomcat's install folder to something like "C:\Tomcat". This issue can be hard to spot because by default the access logs are not enabled and the example webapps work just fine.
Why do I get a "HTTP/1.x 400 No Host matches server name" error when I change the "webapps" folder in Tomcat on Vista?
By default, the Tomcat Windows Service installer attempts to place Tomcat inside the "Program Files" folder. Default Vista folder permissions conflict with the contents of the "webapps" folder, can case a blank page to come up when attempting to access the webapp. By using a HTTP Header inspector like "Live HTTP Headers" you can see a slightly more descriptive error message. It is best to change Tomcat's install folder to something like "C:\Tomcat". This issue can be hard to spot because by default the example webapps work just fine.
How do I add or customize a Windows Service for Tomcat?
Tomcat uses the Apache Commons Daemon. You can read its documentation at http://commons.apache.org/daemon/procrun.html As a short example, you can create a new Windows Service with the full version number in its name like this:
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See also the service.bat file that comes in the *windows<arch>.zip distributives of Tomcat.
What are tomcat6w.exe/tomcat6.exe (or tomcat7w.exe/tomcat7.exe etc..)?
Questions on this topic come regularly at various levels. So this is a longish explanation meant basically for real Tomcat/Windows beginners. Apologies in advance for any shortcuts and approximations. You can sort this out by yourself according to your own needs.
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