hub / github.com/apache/tomcat

github.com/apache/tomcat @11.0.24

repository ↗ · DeepWiki ↗ · release 11.0.24 ↗ · Ask this repo → · + Follow

38,251 symbols 148,324 edges 2,816 files 17,702 documented · 46% ● updated 2d ago★ 8,194

README

Welcome to Apache Tomcat!

What Is It?

The Apache Tomcat® software is an open source implementation of the Jakarta Servlet, Jakarta Pages, Jakarta Expression Language and Jakarta WebSocket technologies. The Jakarta Servlet, Jakarta Pages, Jakarta Expression Language and Jakarta WebSocket specifications are developed as part of the Jakarta EE Platform.

The Apache Tomcat software is developed in an open and participatory environment and released under the Apache License version 2. The Apache Tomcat project is intended to be a collaboration of the best-of-breed developers from around the world. We invite you to participate in this open development project. To learn more about getting involved, click here or keep reading.

Apache Tomcat software powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations. Some of these users and their stories are listed on the PoweredBy wiki page.

Apache Tomcat, Tomcat, Apache, the Apache feather, and the Apache Tomcat project logo are trademarks of the Apache Software Foundation.

Get It

For every major Tomcat version there is one download page containing links to the latest binary and source code downloads, but also links for browsing the download directories and archives: - Tomcat 11 - Tomcat 10 - Tomcat 9

To facilitate choosing the right major Tomcat version one, we have provided a version overview page.

Documentation

The documentation available as of the date of this release is included in the docs webapp which ships with tomcat. You can access that webapp by starting tomcat and visiting http://localhost:8080/docs/ in your browser. The most up-to-date documentation for each version can be found at: - Tomcat 11 - Tomcat 10 - Tomcat 9

Installation

Please see RUNNING.txt for more information.

Licensing

Please see LICENSE for more information.

Support and Mailing List Information

Free community support is available through the tomcat-users email list.
If you want freely available support for running Apache Tomcat, please see the resources page here.
If you want to be informed about new code releases, bug fixes, security fixes, general news and information about Apache Tomcat, please subscribe to the tomcat-announce email list.
If you have a concrete bug report for Apache Tomcat, please see the instructions for reporting a bug here.

Contributing

Please see CONTRIBUTING for more information.

Extension points exported contracts — how you extend this code

Validator (Interface)

Interface to be implemented by custom validator classes. [27 implementers]

modules/jdbc-pool/src/main/java/org/apache/tomcat/jdbc/pool/Validator.java

BytesStreamer (Interface)

Used by TomcatBaseTest [6 implementers]

test/org/apache/catalina/startup/BytesStreamer.java

ELInterpreter (Interface)

Defines the interface for the expression language interpreter. This allows users to provide custom EL interpreter implem [9 …

java/org/apache/jasper/compiler/ELInterpreter.java

RegistrationListener (Interface)

Listener interface for JASPIC registration events. [6 implementers]

java/jakarta/security/auth/message/config/RegistrationListener.java

TickListener (Interface)

(no doc) [2 implementers]

webapps/examples/WEB-INF/classes/async/Stockticker.java

MyInterface (Interface)

(no doc) [2 implementers]

test/jakarta/el/TestBeanELResolver.java

PoolConfiguration (Interface)

A list of properties that are configurable for a connection pool. The DataSource object also implements this int [5 implementers]

modules/jdbc-pool/src/main/java/org/apache/tomcat/jdbc/pool/PoolConfiguration.java

TesterEndpoint (Interface)

(no doc) [4 implementers]

test/org/apache/tomcat/websocket/TesterMessageCountClient.java

Core symbols most depended-on inside this repo

getString

called by 3966

java/org/apache/tomcat/util/http/fileupload/FileItem.java

append

called by 2603

java/org/apache/tomcat/util/buf/CharChunk.java

add

called by 2585

java/org/apache/catalina/Manager.java

equals

called by 1838

java/org/apache/tomcat/dbcp/pool2/PooledObject.java

valueOf

called by 1375

java/org/apache/tomcat/util/net/openssl/ciphers/Group.java

toString

called by 1333

java/org/apache/tomcat/dbcp/pool2/PooledObject.java

put

called by 1222

java/jakarta/security/auth/message/MessagePolicy.java

append

called by 1183

java/org/apache/catalina/tribes/io/XByteBuffer.java

Shape

Method 33,625

Class 4,120

Interface 366

Enum 140

Languages

Java100%

Modules by API surface

java/org/apache/tomcat/util/openssl/openssl_h.java977 symbols

java/org/apache/catalina/core/StandardContext.java391 symbols

java/org/apache/jasper/compiler/Node.java265 symbols

test/org/apache/tomcat/unittest/TesterContext.java263 symbols

java/org/apache/catalina/startup/FailedContext.java261 symbols

test/org/apache/catalina/core/TestAsyncContextImpl.java236 symbols

java/org/apache/catalina/Context.java223 symbols

java/org/apache/tomcat/dbcp/dbcp2/DelegatingDatabaseMetaData.java186 symbols

java/org/apache/el/parser/ELParser.java171 symbols

test/org/apache/catalina/nonblocking/TestNonBlockingAPI.java169 symbols

test/org/apache/jasper/compiler/TestGenerator.java167 symbols

java/org/apache/tomcat/dbcp/dbcp2/BasicDataSource.java164 symbols

Dependencies from manifests, versioned

com.h2database:h22.2.220 · 1×

jakarta.annotation:jakarta.annotation-api1×

jakarta.enterprise:jakarta.enterprise.cdi-api1×

jakarta.inject:jakarta.inject-api1×

jakarta.interceptor:jakarta.interceptor-api1×

jakarta.json.bind:jakarta.json.bind-api1×

jakarta.json:jakarta.json-api1×

junit:junit4.13.2 · 1×

org.apache.cxf:cxf-integration-cdi1×

org.apache.cxf:cxf-rt-frontend-jaxrs1×

org.apache.cxf:cxf-rt-rs-client1×

org.apache.cxf:cxf-rt-rs-extension-providers1×

Datastores touched

(mysql)Database · 1 repos

mysqlDatabase · 1 repos

bookstoreDatabase · 1 repos

javatestDatabase · 1 repos

mydbDatabase · 1 repos

For agents

$ claude mcp add tomcat \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact