servlet-webcontainers

TraceyID

Links

  • http://opentracing.io/documentation/

Servlets

  • Filters

    • logging incoming requests and outgoing responses via filter

  • Servlet

    • extends HttpServlet

    • gets the request and sends the response

      • you deal with the request and form the response

  • Redirects

    • https://examples.javacodegeeks.com/enterprise-java/servlet/java-servlet-sendredirect-example/

  • HTTPS

    • https://www.javacodegeeks.com/2018/01/configuring-https-use-servlets.html

Links

  • https://en.wikipedia.org/wiki/Java_servlet

  • https://stackoverflow.com/questions/7213541/what-is-java-servlet

  • http://www.baeldung.com/intro-to-servlets

  • http://tutorials.jenkov.com/java-servlets/index.html

  • https://examples.javacodegeeks.com/enterprise-java/servlet/how-servlets-work/

  • https://examples.javacodegeeks.com/enterprise-java/servlet/basics-servlets-tutorial/

  • https://examples.javacodegeeks.com/enterprise-java/servlet/java-servlet-life-cycle-example/

  • https://www.javatpoint.com/servlet-tutorial

  • http://pdf.coreservlets.com/

Jetty

  • Server

    • stop and start web server, to accept requests

    • setup with a handler containing the servlets and filters

  • ContextHandler

    • adds the servlets to the handler

  • setHandler

    • Passing the handler

  • addFilter

    • add filter to handler

Secruity

  • JKS

    • https://wiki.eclipse.org/Jetty/Howto/Configure_SSL

    • http://blog.anvard.org/articles/2013/10/05/jetty-ssl-server.html

Example

Server server = new Server();

HttpConfiguration https = new HttpConfiguration();
https.addCustomizer(new SecureRequestCustomizer());

SslContextFactory sslContextFactory = new SslContextFactory();
sslContextFactory.setKeyStorePath(EmbeddedServer.class.getResource(
        "/keystore.jks").toExternalForm());
sslContextFactory.setKeyStorePassword("123456");
sslContextFactory.setKeyManagerPassword("123456");

ServerConnector sslConnector = new ServerConnector(server,
        new SslConnectionFactory(sslContextFactory, "http/1.1"),
        new HttpConnectionFactory(https));
sslConnector.setPort(9998);

server.setConnectors(new Connector[] {sslConnector });

WARS on containers, external servers, external vs embedded servers

  • https://steveperkins.com/war-files-vs-embedded-servers/

  • https://www.dynatrace.com/news/blog/the-era-of-servlet-containers-is-over/

  • https://stackoverflow.com/questions/12689910/difference-between-web-server-web-container-and-application-server

  • https://stackoverflow.com/questions/936197/what-is-the-difference-between-application-server-and-web-server

  • https://www.theserverside.com/feature/Understanding-How-the-Application-Servers-Web-Container-Works

  • https://www.quora.com/Is-Tomcat-a-web-server-or-a-web-container

  • https://techspirited.com/web-container-vs-web-server

  • https://stackoverflow.com/questions/23176717/embedded-vs-non-embedded-java-server

  • http://stephencoakley.com/2017/07/06/embedded-vs-external-web-server

  • https://www.beyondjava.net/blog/application-servers-sort-of-dead

  • https://www.reddit.com/r/java/comments/36nt73/war_vs_containerless_spring_boot_etc/?utm_source=amp&utm_medium=comment_list

Tomcat/catlina

  • https://www.mulesoft.com/tcat/tomcat-catalina

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