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Welcome to the Tomcat FAQ. In conjunction with this FAQ we strongly emphasis doing As you dive into the FAQ, we suggest you also try the following:

• Read the docs. Most answers are already documented.
• Wiki MarkupKnow the \[http://java.sun.com/products/servlet/ Servlet\] and \[http://java.sun.com/products/jsp/ JSP\] specification. Many answers are not documented by the Tomcat team since they are generic and already defined by the specs. Know the specs, they let you ensure your webapps are portable across different servlet the Specifications. Many answers are not documented by the Tomcat team since they are generic and already defined by the specs. Know the specs, they let you ensure your webapps are portable across different servlet containers.
• Please do some research. Use a search engine. It is frustrating to see questions which can be answered with a simple Google search (or your favorite search engine).
• Wiki MarkupBrowse or search our \[http://tomcat.apache.org/lists.html mailing lists\]. \\

Table of Contents

For your convenience, we have tried to break the FAQ out into multiple sections consisting of the following topics:

FAQ TOPICS

• Bugs - What to do when you believe you have a bug or there is a difference in behavior with another servlet container.
• Character Encoding - How to handle non-standard characters.
• Class Not Found - What to do with Class Not Found errors.
• Clustering - Cluster and clustering related questions
• Connectors - You want to connect tomcat to Apache, IIS, or have questions about tomcat-standalone.
• Database - Getting tomcat to talk to a database.
• Deployment - Questions related to web application deployment.
• Developing - Various IDE integration questions.
• FDA Validation - Questions related to running Tomcat in an FDA validated environment.
• How To - Miscellaneous common how to's.
• Known Issues - Known issues
• Linux / Unix - Common questions for Linux / Unix related platforms.
• Logging - Common questions related to logging in Tomcat.
• Memory - Common memory related questions.
• Meta - About Tomcat and this FAQ.
• Miscellaneous - Miscellaneous questions that weren't categorized.
• Monitoring - Tips on Monitoring a running Tomcat instance.
• Other Operating Systems - Information about scripts and support for other operating systems.
• Other Resources - A lot of links to tomcat related documentation and experiences.
• Performance & Monitoring - Performance & Monitoring questions.
• Security - Common security issues.
• Specifications - A reference page that provides links to specifications, implemented by Apache Tomcat.
• Tomcat User - More information about the tomcat-user mailing list.
• Troubleshooting & Diagnostics - Tools and techniques for diagnosing problems.
• Version - About the different tomcat versions.
• WebDav - Questions on using Tomcat Webdav servlet.
• Windows - Common Windows

• Wiki Markup
  \[wiki:/Bugs Bugs\] - You think you have a bug or there is a difference in behavior with another servlet container.

• Wiki Markup
  \[wiki:/Class_Not_Found Class Not Found\] - What to do with Class Not Found errors.

• Wiki Markup
  \[wiki:/CharacterEncoding Character Encoding\] - How to handle non-standard characters.

• Wiki Markup
  \[wiki:/Clustering Clustering\] - Cluster and clustering related questions

• Wiki Markup
  \[wiki:/Connectors Connectors\] - You want to connect tomcat to Apache, IIS, or have questions about tomcat-standalone.

• Wiki Markup
  \[wiki:/Database Database\] - Getting tomcat to talk to a database.

• Wiki Markup
  \[wiki:/Deployment Deployment\] - Questions related to web application deployment.

• Wiki Markup
  \[wiki:/Developing Developing\] - Various IDE integration questions.

• Wiki Markup
  \[wiki:HowTo How To\] - Miscellaneous common how to's.

• Wiki Markup
  \[wiki:/FDA_Validation FDA Validation\] - Questions related to running Tomcat in an FDA validated environment.

• Wiki Markup
  \[wiki:/Linux_Unix Linux / Unix\] - Common questions for Linux / Unix related platforms.

• Wiki Markup
  \[wiki:/Other_Operating_Systems Other Operating Systems\] - Information about scripts and support for other operating systems.

• Wiki Markup
  \[wiki:/Logging Logging\] - Common questions related to logging in Tomcat.

• Wiki Markup
  \[wiki:/Memory Memory\] - Common memory related questions.

• Wiki Markup
  \[wiki:/About Meta\] - About Tomcat and this FAQ.

• Wiki Markup
  \[wiki:/Miscellaneous Miscellaneous\] - Miscellaneous questions that weren't categorized.

• Wiki Markup
  \[wiki:/Performance_and_Monitoring Performance & Monitoring\] - Performance & Monitoring questions.

• Wiki Markup
  \[wiki:UsefulLinks Other Resources\] - A lot of links to tomcat related documentation and experiences.

• Wiki Markup
  \[wiki:/Security Security\] - Common security issues.

• Wiki Markup
  \[wiki:TomcatVersions Version\] - About the different tomcat versions.

• Wiki Markup
  \[wiki:/Tomcat_User Tomcat User\] - More information about the tomcat-user list.

• Wiki Markup\[wiki:/Windows Windows\] - Common Windows questions.