http://cdn.stubbornjava.com/ Unconventional guides, examples, and blog utilizing modern Java http://cdn.stubbornjava.com/posts/creating-a-non-blocking-delay-in-the-undertow-web-server-for-artificial-latency Adding atrificial latency to Undertow HTTP routes for testing / diagnostics by using a non blocking sleep. Wed, 13 Mar 2019 00:00:00 GMT http://cdn.stubbornjava.com/posts/creating-a-non-blocking-delay-in-the-undertow-web-server-for-artificial-latency 2019-03-13T00:00:00Z http://cdn.stubbornjava.com/posts/grafana-cloud-dropwizard-metrics-reporter Dropwizard Metrics reporter for hosted graphite metrics from Grafana's cloud offering that features hosted Graphite and Prometheus. Tue, 01 Jan 2019 00:00:00 GMT http://cdn.stubbornjava.com/posts/grafana-cloud-dropwizard-metrics-reporter 2019-01-01T00:00:00Z http://cdn.stubbornjava.com/posts/increasing-resiliency-with-circuit-breakers-in-your-undertow-web-server-with-failsafe Utilize circuit breakers to fail fast and recover quickly with a CircuitBreakerHandler in Undertow. Shutoff misbehaving endpoints to allow other endpoints to proceede normally. Mon, 05 Feb 2018 00:00:00 GMT http://cdn.stubbornjava.com/posts/increasing-resiliency-with-circuit-breakers-in-your-undertow-web-server-with-failsafe 2018-02-05T00:00:00Z http://cdn.stubbornjava.com/posts/configuring-security-headers-in-undertow Control iFrame options, referer header options XSS protection, HSTS, and content type options in Underow. Wed, 17 Jan 2018 00:00:00 GMT http://cdn.stubbornjava.com/posts/configuring-security-headers-in-undertow 2018-01-17T00:00:00Z http://cdn.stubbornjava.com/posts/installing-java-supervisord-and-other-service-dependencies-with-ansible Example using Ansible to install java8, supervisord, users, groups and file structures in a repeatable way. Configuring AWS EC2 instances with Ansible example. Fri, 17 Nov 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/installing-java-supervisord-and-other-service-dependencies-with-ansible 2017-11-17T00:00:00Z http://cdn.stubbornjava.com/posts/creating-a-local-development-environment-with-docker-compose Setting up MySQL and Elasticsearch locally with Docker Compose to simplify your development environment. Docker compose mysql example and docker compose elasticsearch example. Tue, 24 Oct 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/creating-a-local-development-environment-with-docker-compose 2017-10-24T00:00:00Z http://cdn.stubbornjava.com/posts/creating-a-somewhat-deterministic-jackson-objectmapper Example determinsitic ObjectMapper that can be useful for md5 sums or diffing. Tue, 26 Sep 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/creating-a-somewhat-deterministic-jackson-objectmapper 2017-09-26T00:00:00Z http://cdn.stubbornjava.com/posts/lazy-loading-and-caching-objects-in-java-with-guava-s-suppliers-memoize Use Guava's Suppliers.memoize to lazy load and cache objects. Use Suppliers.memoizeWithExpiration to have an expireable cached object in Java. Wed, 06 Sep 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/lazy-loading-and-caching-objects-in-java-with-guava-s-suppliers-memoize 2017-09-06T00:00:00Z http://cdn.stubbornjava.com/posts/sharing-routes-and-running-multiple-java-services-in-a-single-jvm-with-undertow Build out microservice ready codebases but deploy as a monolith. Don't ride the hype train. Mon, 04 Sep 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/sharing-routes-and-running-multiple-java-services-in-a-single-jvm-with-undertow 2017-09-04T00:00:00Z http://cdn.stubbornjava.com/posts/typesafe-config-features-and-example-usage Using Typesafe Config fallback handlers, lists, memory helper, duration helper and configuration resolution. Tue, 15 Aug 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/typesafe-config-features-and-example-usage 2017-08-15T00:00:00Z http://cdn.stubbornjava.com/posts/hashing-passwords-in-java-with-bcrypt Java BCrypt example using jbcrypt with auto updating salted hashes. Secure password salted hashing in Java with BCrypt. Tue, 01 Aug 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/hashing-passwords-in-java-with-bcrypt 2017-08-01T00:00:00Z http://cdn.stubbornjava.com/posts/creating-xml-sitemaps-in-java Example XML sitemap in Java using sitemapgen4j to increase page exposure and SEO. Sat, 15 Jul 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/creating-xml-sitemaps-in-java 2017-07-15T00:00:00Z http://cdn.stubbornjava.com/posts/web-scraping-in-java-using-jsoup-and-okhttp jsoup example scraping the DOM using CSS selectors and OkHttpClient for networking. Thu, 22 Jun 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/web-scraping-in-java-using-jsoup-and-okhttp 2017-06-22T00:00:00Z http://cdn.stubbornjava.com/posts/okhttpclient-trust-all-ssl-certificates OkHttpClient example to ignore SSL certificates and errors. Ignore PKIX path building failed in OkHttpClient. Wed, 21 Jun 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/okhttpclient-trust-all-ssl-certificates 2017-06-21T00:00:00Z http://cdn.stubbornjava.com/posts/webpack-and-npm-for-simple-java-8-web-apps Server side rendered HTML Java web servers utilizing webpack and npm. Mon, 19 Jun 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/webpack-and-npm-for-simple-java-8-web-apps 2017-06-19T00:00:00Z http://cdn.stubbornjava.com/posts/virtual-hosting-in-undertow-s-embedded-java-web-server Redirect non www to www in undertow using virtual hosting. Virtual hosting example in undertow. Thu, 20 Apr 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/virtual-hosting-in-undertow-s-embedded-java-web-server 2017-04-20T00:00:00Z http://cdn.stubbornjava.com/posts/okhttp-example-rest-client Creating a custom web service HTTP client using OkHttp to interact with an Undertow web server. Tue, 21 Mar 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/okhttp-example-rest-client 2017-03-21T00:00:00Z http://cdn.stubbornjava.com/posts/obfuscating-and-shortening-sequential-ids-with-hashids Obfuscate and shorten sequential ids (auto incremented) for shorter urls that are more difficult to guess. Sun, 19 Mar 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/obfuscating-and-shortening-sequential-ids-with-hashids 2017-03-19T00:00:00Z http://cdn.stubbornjava.com/posts/okhttpclient-logging-configuration-with-interceptors Enable debug logging with OkHttp using interceptors with various logging levels. OkHttpClient logging example. Wed, 08 Mar 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/okhttpclient-logging-configuration-with-interceptors 2017-03-08T00:00:00Z http://cdn.stubbornjava.com/posts/monitoring-your-java-services-with-dropwizard-health-checks Create custom healtchecks with Dropwizard health checks to monitor your external dependencies. Mon, 06 Mar 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/monitoring-your-java-services-with-dropwizard-health-checks 2017-03-06T00:00:00Z http://cdn.stubbornjava.com/posts/reading-file-resources-with-guava Example loading file resources from the classpath as a String or BufferedReader with Guava. Sat, 25 Feb 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/reading-file-resources-with-guava 2017-02-25T00:00:00Z http://cdn.stubbornjava.com/posts/java-enum-lookup-by-name-or-field-without-throwing-exceptions Java enumEnum lookup by name without using Enum.valueOf() by utilizing custom methods and Google's Guava. Ignore Enum.valueOf() exception. Wed, 22 Feb 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/java-enum-lookup-by-name-or-field-without-throwing-exceptions 2017-02-22T00:00:00Z http://cdn.stubbornjava.com/posts/multi-project-builds-with-gradle-and-fat-jars-with-shadow Multi-project gradle examples with executable fat jars, shared dependencies and version conflict resolution. Mon, 20 Feb 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/multi-project-builds-with-gradle-and-fat-jars-with-shadow 2017-02-20T00:00:00Z http://cdn.stubbornjava.com/posts/database-connection-pooling-in-java-with-hikaricp Improve performance and reliability by switching to HikariCP's connection pool. HikariCP example with multiple pools. Wed, 08 Feb 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/database-connection-pooling-in-java-with-hikaricp 2017-02-08T00:00:00Z http://cdn.stubbornjava.com/posts/logging-in-java-with-slf4j-and-logback Simple synchronous and asynchronous logback.xml logging configurations using a ConsoleAppender in Logback with SLF4J. Sun, 05 Feb 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/logging-in-java-with-slf4j-and-logback 2017-02-05T00:00:00Z http://cdn.stubbornjava.com/posts/java-html-templating-with-handlebars-and-undertow Java handlebars example. HTML Templating using Handlebars templates with an embedded Undertow web server. Tue, 24 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/java-html-templating-with-handlebars-and-undertow 2017-01-24T00:00:00Z http://cdn.stubbornjava.com/posts/monitoring-your-jvm-with-dropwizard-metrics Monitor JVM stats, garbage collection, memory, threads, logging level hit rates and db connection pool sats with Dropwizard Metrics. Wed, 18 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/monitoring-your-jvm-with-dropwizard-metrics 2017-01-18T00:00:00Z http://cdn.stubbornjava.com/posts/http-redirects-with-undertow Handling permanent redirect, temporary redirect and a referrer redirect using Undertow web server. Mon, 16 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/http-redirects-with-undertow 2017-01-16T00:00:00Z http://cdn.stubbornjava.com/posts/managing-your-stack-traces Large frameworks such as Spring and Hibernate and especially when they are combined have notoriously long stack traces. This can lead to perfomance / memory issues (only at certain scales) but mainly debugging hell. Mon, 16 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/managing-your-stack-traces 2017-01-16T00:00:00Z http://cdn.stubbornjava.com/posts/lightweight-embedded-java-rest-server-without-a-framework Create your own mini REST framework using Jackson for JSON and Undertow's web server. Handle exceptions, Middleware and reduce code duplication. Mon, 16 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/lightweight-embedded-java-rest-server-without-a-framework 2017-01-16T00:00:00Z http://cdn.stubbornjava.com/posts/logging-gzip-blocking-exception-handling-metrics-middleware-chaining-in-undertow Chain / compose middleware for powerful reuseable components. Logging, Blocking, Gzipping, RateLimiting, ACL, Authenticaton, Caching and many more. Thu, 12 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/logging-gzip-blocking-exception-handling-metrics-middleware-chaining-in-undertow 2017-01-12T00:00:00Z http://cdn.stubbornjava.com/posts/query-parameters-and-path-parameters-in-undertow Accessing Undertow query string parameters and path parameters with helpers. Use Optional for defaults. Thu, 12 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/query-parameters-and-path-parameters-in-undertow 2017-01-12T00:00:00Z http://cdn.stubbornjava.com/posts/http-access-logging-with-undertow Embedded Undertow java web server access logging handler. Use SLF4J to handle request logging with Undertow. Wed, 11 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/http-access-logging-with-undertow 2017-01-11T00:00:00Z http://cdn.stubbornjava.com/posts/handling-exceptions-in-undertow-with-composition Creating a composable Undertow ExceptionHandler middleware for unexpected scenarios. Using plain HttpHandlers to handle exceptions there is no special interface for ExceptionHandling in Undertow. Tue, 10 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/handling-exceptions-in-undertow-with-composition 2017-01-10T00:00:00Z http://cdn.stubbornjava.com/posts/handling-content-types-with-undertow Creating Undertow HttpHandlers for handing Content-Types (text/plain, text/html, application/json, application/octet-stream) Mon, 09 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/handling-content-types-with-undertow 2017-01-09T00:00:00Z http://cdn.stubbornjava.com/posts/what-is-a-content-type What is an HTTP Content-Type (text/plain, text/html, application/json, application/octet-stream) and what is it used for? Mon, 09 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/what-is-a-content-type 2017-01-09T00:00:00Z http://cdn.stubbornjava.com/posts/url-routing-with-undertow-embedded-http-server Embedded Undertow java web server with url routing. Annotationless routing for simplicity and zero magic. Sun, 08 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/url-routing-with-undertow-embedded-http-server 2017-01-08T00:00:00Z http://cdn.stubbornjava.com/posts/undertow-writing-custom-httphandlers Multiple approaches to creating custom Undertow HttpHandlers the building blocks of handling requests. Sun, 08 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/undertow-writing-custom-httphandlers 2017-01-08T00:00:00Z http://cdn.stubbornjava.com/posts/java-hello-world-embedded-http-server-using-undertow Java HTTP server example with Undertow. Creating a simple hello world web server with Undertow. Runs in any IDE or as a standalone JAR, no application containers required. Sun, 08 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/java-hello-world-embedded-http-server-using-undertow 2017-01-08T00:00:00Z http://cdn.stubbornjava.com/posts/thoughts-on-configuration Reduce and reuse application configurations as much as possible, favor hard coding non configurable values. Mon, 02 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/thoughts-on-configuration 2017-01-02T00:00:00Z http://cdn.stubbornjava.com/posts/environment-aware-configuration-with-typesafe-config Using Typesafe Config for default configuration with environment specific overrides. Share common configs and override in production / uat Mon, 02 Jan 2017 00:00:00 GMT http://cdn.stubbornjava.com/posts/environment-aware-configuration-with-typesafe-config 2017-01-02T00:00:00Z http://cdn.stubbornjava.com/posts/practical-jackson-objectmapper-configuration Create, configure, and add modules including java.time to a Jackson ObjectMapper for JSON serialization and deserialization in Java. Wed, 21 Dec 2016 00:00:00 GMT http://cdn.stubbornjava.com/posts/practical-jackson-objectmapper-configuration 2016-12-21T00:00:00Z