How to remove duplicate elements from ArrayList you will face the question “How to remove duplicates from array list” in most of the interviews. In this tutorial, you will see the multiple ways to remove duplicate elements from java8. Using…
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Tomcat Maven Deployment in Eclipse You will get 404 error when you deploy the imported maven web application into tomcat. so first time you need to run the maven command to load eclipse deployment settings to project. There are two…
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Liferay Gradle SSLHandshake or PKIX path building Issue While setting up Liferay DXP in local, you might get the below exception in creating workspace project for the first time. You will get the issue if JDK version is below Java…
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Import SSL Certificate into Java keystore We will get the javax.net.ssl.SSLHandshakeException error when we try to access HTTPS urls in java. To avoid these certificate issues, we need to import the SSL Certificate into JVM Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX…
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Liferay DXP Elastic Search Integration Tutorial This tutorial is to integrate Liferay 7 with elastic search tool. Liferay 7 out of the box comes with elastic search in embedded mode,but this is not recommended for production release. Liferay 7 applications…
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Jenkins Liferay DXP Build Integration Jenkins Liferay DXP Build Integration tutorial will explain build process or Liferay DXP modules using Gradle. As you all know Liferay DXP contains OSGI modules and Liferay 7 PluginSDK. In this tutorial, we will see…
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Jenkins Configuration Setup Jenkins setup tutorial will guide on installing Jenkins locally. In this tutorial we will manage Jenkins configuration. Install Jenkins and click here for “Jenkins Installation” Tutorial Login on Jenkins as “admin” user and you will get the following home page…
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Jenkins setup and Installation What is Jenkins? Jenkins is open source server to automate build, test, and deployment of applications. Installations: Apache tomcat Jenkins 2.5.1 Jenkins Setup: Download Jenkins latest version from “https://jenkins.io/download/” Jenins 2 has changed installations setup, but…
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Spring REST JPA Entities Example In this tutorial, we will directly expose JPA entities as JSON object so that there is not need to transform DTO objects to Entities.This tutorial is extension to below one which exposes DTO as JSON…
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Spring 4 REST Hibernate CRUD Example In this tutorial, we will see the following CRUD operations on Employee entity using Spring 4 REST Services using Hibernate JPA. The following are REST samples for each operation. Add Employee : http://localhost:8080/spring-rest-hibernate/rest/employee/add Update Employee:http://localhost:8080/spring-rest-hibernate/rest/employee/update…
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