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  • Hadoop File Already Exists Exception : org.apache.hadoop.mapred.FileAlreadyExistsException

    May 24, 2019 exception FileAlreadyExistsException Hadoop
    Hadoop File Already Exists Exception : org.apache.hadoop.mapred.FileAlreadyExistsException

    Aim behind writing this article is to make developers aware about the issue which they might face while developing the MapReduce application. Well the above error org.apache.hadoop.mapred.FileAlreadyExistsException is one of the most basic exception which every beginner face while writing their first map reduce …

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  • Using spring-boot-devtools in Spring Boot application

    May 19, 2019 spring-boot-devtools
    Using spring-boot-devtools in Spring Boot application

    When ever we talk about the Spring Boot then its always about the simplicity of the spring boot application. With spring-boot-devtools the development task has become more enjoyable and productive. In this artivle we will be talking about Restart feature which come very handy with spring-boot-devtools. Why do we need …

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  • How to use CommandLineRunner in Spring Boot Application?

    Jan 22, 2019 commandlinerunner Spring Boot
    How to use CommandLineRunner in Spring Boot Application?

    You must be wondering what is this CommandLineRunner Interface and why it is there in Spring Boot. So in this article I will be addressing the need of CommandLineRunner Interface as well as how and when to use it. GitHub Source Code - Clone Repo Spring Boot provides two Interface (Remember its an interface) …

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  • How to use Hibernate 5 | Tutorial

    Jan 19, 2019 hibernate
    How to use Hibernate 5 | Tutorial

    Here in this post we will be looking into the basic setup of Hibernate 5 with maven. In this tutorial we will be using - Maven JDK 1.8**** Hibernate 5 MySQL You can also download/clone the complete workspace from GitHub : - https://github.com/rahulwagh/hibernate5.git If you are not able to clone the repository than …

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KUBERNETES 21 HELM-CHART 6 DOCKER 4 QUARKUS 4 SPRING-BOOT 3 SSL 3 EXCEPTION 2 JENKINS 2 KUBESPRAY 2 APPLICATIONRUNNER 1 COMMANDLINERUNNER 1 ETCD 1 FILEALREADYEXISTSEXCEPTION 1 GOHUGO 1
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Rahul Wagh

Its all about Open Source and DevOps, here I talk about Kubernetes, Docker, Java, Spring boot and practices.
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