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Hive JDBC Connection Java Example

Bipartite Graph

1. Introduction In this article, we will take a look at Hive JDBC. Hive is part of the Hadoop Ecosystem. It is used in Big Data solutions with Hadoop. It was developed by Facebook. Hadoop is an Apache Opensource project now. 2. Hive – JDBC Connection The Apache Hive project has featured in reading, writing, and managing big data. It ...

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Spring REST Docs Example

Welcome to the Spring REST Docs Example. So you have written your Web API and now you must provide documentation so that other people can use it. Spring REST Docs helps you document your RESTful services. The beauty of Spring REST Docs is whilst you are writing unit tests, you can use these tests to generate documentation for your HTTP ...

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Jackson Bidirectional Relationships

In this example, we will go through the Infinite Recursion (StackOverflowError) problem, when working with Bidirectional Relationships in Jackson model classes. We will also see different techniques to serialize and deserialize such entities. If you are new to Jackson, it is good to go through this primer on ObjectMapper before proceeding with this example. 1. What is a Bidirectional Relationship? ...

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Selenium Java Introduction

This article its a Selenium tutorial that explains how to run selenium tests in Java language. 1. What is selenium Selenium is used to automate browsers. Selenium supports various programming languages such as C#, Haskell, Java, JavaScript, Python, and Ruby through Selenium drivers. It supports various browsers such as Chrome, Firefox, Safari, Opera, and Internet Explorer. 2. When is selenium ...

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Apache Solr Fuzzy Search Example

1. Introduction In this example we are going to build queries by using fuzzy search provided by Apache Solr. Fuzzy search is a powerful tool to find inexact matches in the Solr index. 2. Technologies Used The steps and commands described in this example are for Apache Solr 8.5 on Windows 10. The JDK version we use to run the ...

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Java Socket Programming

Bipartite Graph

This article talks about sockets and socket programming with java examples. It begins with the basics and explains with an example of how they work. You can also check this tutorial in the following video: Socket Programming in Java – video 1. Introduction Java Socket Programming finds itself very useful for peer-to-peer communication between two Java programs running different JVM. ...

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Spring Boot with Redis Tutorial

Welcome readers, in this tutorial, we will see an interaction of Redis cache with a Spring boot application. 1. Introduction Before going further in this tutorial we will take a look at the common terminology such as introduction to Spring boot, Docker, and Redis. 1.1 What is Spring boot? Spring boot is a module that provides rapid application development feature ...

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Apache Solr Standard Query Parser Example

1. Introduction In this example, we are going to talk about one key component of Apache Solr: the Standard Query Parser. It is also known as “Lucene” query parser because Apache Solr is built upon Apache Lucene. Then we will show you how to use it in queries against our sample articles collection. Table Of Contents 1. Introduction 2. Technologies ...

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Jackson Exceptions – Problems and Solutions

1. Introduction In this example, we shall go through the most common Jackson API exceptions encountered while working for serialization and deserialization. We will see what caused the exception to be thrown and how to fix it. Let’s dive deep. Table Of Contents 1. Introduction 2. InvalidDefinitionException: No Creators, like default constructor, exist 3. MismatchedInputException: Out of START_ARRAY token 4. ...

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Deploying Multiple Spring Boot Microservices to Docker

Welcome readers, in this tutorial, we will show how to deploy multiple Spring Boot Microservices on Docker. 1. Introduction Before starting the tutorial, we will make an introduction to Spring Boot and Docker. 1.1 Spring Boot introduction Spring boot is a module that provides rapid application development feature to the spring framework including auto-configuration, standalone-code, and production-ready codeIt creates applications ...

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