1. [Home](https://www.g2.com/) 2. ... 3. [Application Server Software](https://www.g2.com/categories/application-server) 4. [Apache Tomcat Discussions](https://www.g2.com/products/apache-tomcat/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_d99c715051d74e27de9fd48624b6561e/apache-tomcat.png "Product Avatar Image") ](/products/apache-tomcat/reviews) [ Apache Tomcat ](/products/apache-tomcat/reviews) (128)4.5/5 Apache Tomcat is an open-source implementation of the Jakarta EE platform's core specifications, including Jakarta Servlet, Jakarta Pages, Jakarta Expression Language, Jakarta WebSocket, Jakarta Annotations, and Jakarta Authentication. Developed and maintained by the Apache Software Foundation, Tomcat provides a "pure Java" HTTP web server environment for running Java code, making it a robust and reliable solution for deploying Java-based web applications. Key Features and Functionality: - Servlet Container (Catalina): Catalina is Tomcat's servlet container that implements the Jakarta Servlet specification, enabling the execution of Java Servlets. - JSP Engine (Jasper): Jasper is the JSP engine that compiles JavaServer Pages into servlets, facilitating dynamic web content generation. - HTTP Connector (Coyote): Coyote is the HTTP connector component that supports HTTP/1.1 and HTTP/2 protocols, allowing Tomcat to function as a standalone web server. - WebSocket Support: Tomcat provides support for the Jakarta WebSocket specification, enabling real-time, bi-directional communication between clients and servers. - Security Realms: Tomcat includes configurable security realms for user authentication and authorization, enhancing application security. Primary Value and User Solutions: Apache Tomcat offers a lightweight, efficient, and scalable platform for deploying Java-based web applications. Its adherence to Jakarta EE standards ensures compatibility and portability across different environments. Tomcat's modular architecture allows developers to integrate it seamlessly into existing infrastructures, whether as a standalone server or in conjunction with other web servers. Its open-source nature and active community support provide continuous improvements, security updates, and a wealth of resources for troubleshooting and development. By using Tomcat, organizations can deploy robust, high-performance web applications while maintaining flexibility and control over their server environments. Show More * * * ### 66.0 Nps Score Already have Apache Tomcat? ### All Apache Tomcat Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 2 years ago More Options - [ # What is Apache Tomcat used for? ](/discussions/what-is-apache-tomcat-used-for) What is Apache Tomcat used for? [ Application Server Software ](https://www.g2.com/tags/application-server-software) * * * \<0\>0\>Upvotes * * * 1 Comment [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.&title=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 3 years ago More Options - [ # Is Tomcat still used? ](/discussions/is-tomcat-still-used) Is Tomcat still used? [ Application Server Software ](https://www.g2.com/tags/application-server-software) * * * \<0\>0\>Upvotes * * * 1 Comment [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.&title=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 3 years ago More Options - [ # What is the latest Apache Tomcat version? ](/discussions/what-is-the-latest-apache-tomcat-version) What is the latest Apache Tomcat version? [ Application Server Software ](https://www.g2.com/tags/application-server-software) * * * \<0\>0\>Upvotes * * * 1 Comment [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.&title=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • almost 4 years ago More Options - [ # What is the difference between Tomcat and Apache? ](/discussions/what-is-the-difference-between-tomcat-and-apache) What is the difference between Tomcat and Apache? [ Application Server Software ](https://www.g2.com/tags/application-server-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.&title=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • about 4 years ago More Options - [ # What is Apache Tomcat software used for? ](/discussions/what-is-apache-tomcat-software-used-for) What is Apache Tomcat software used for? [ Application Server Software ](https://www.g2.com/tags/application-server-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.&title=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • over 4 years ago More Options - [ # sasadasdasdasdsa ](/discussions/sasadasdasdasdsa) [ Application Server Software ](https://www.g2.com/tags/application-server-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.&title=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Apache+Tomcat+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Apache+Tomcat+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%0aAsk+Apache+Tomcat+questions+and+get+answers+from+expert+users+in+our+Apache+Tomcat+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ## Start a New Software Discussion Have a software question? Get answers from real users and experts [Start A Discussion](/products/apache-tomcat/discussions/new) * * * ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_d99c715051d74e27de9fd48624b6561e/apache-tomcat.png "Product Avatar Image") ### Have you used Apache Tomcat before? Answer a few questions to help the Apache Tomcat community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/authorize?form=signup&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fapache-tomcat%2Fdiscuss%3Fsmall_ask%3Dapache-tomcat) No ## Top Contributors in Apache Tomcat 1 ![Muhammad M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Muhammad M.") MM Loading... ### [Muhammad M.](https://www.g2.com/users/d1b588de-1951-4b20-b0fe-9d13c9d07e06 "Muhammad M.") Opentext Documentum Support 2 pts 2 ![Antonio S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Antonio S.") AS Loading... ### [Antonio S.](https://www.g2.com/users/6224d96a-3aa9-446e-8fc8-7211c33df399 "Antonio S.") Co-Founder & CEO 1 pt