I just tested your dialog and its storing images fine for me. I tested it on AEM 6.5 with service pack 6.5.8.0. Can you test it in Vanilla instance once.

@prashanth55 Please refer to below community article. validate your dialog against below structure.https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/second-image-with-fileupload-doesn-t-render-in-a-multifield/qaq-p/383743<?xml version="1.0" encoding="UTF-8"?><jcr:root xmlns:s...

@SagarVerliani Please check below URL:https://cqdump.joerghoh.de/2018/11/14/try-with-resource-or-i-will-never-forget-to-close-a-resource-resolver/In Java 7 the idiom “try-with-resource”  has been introduced in the java world. It helps to never forget to close a resource. And since Sling9 (roughly 20...

@shyamasundar-ks Please refer to below documentation URL :https://experienceleague.adobe.com/docs/experience-manager-learn/getting-started-with-aem-headless/spa-editor/angular/map-components.html?lang=enhttps://experienceleague.adobe.com/docs/experience-manager-learn/getting-started-with-aem-headles...

@binoyp6992037 Please give a try by having two writer configuration for same logger file, one with scheduled configuration and another with size configuration. https://www.youtube.com/watch?v=rwRozch4OYohttp://www.sgaemsolutions.com/2019/12/aem-logs-in-detail-part-2.html 

Login to AEM Publish instance and navigate to http://localhost:4503/system/console/bundles

@akank_23 Please refer to below community article for similar issue:https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/while-starting-up-aem-instance-getting-503-error/qaq-p/257912 

@kgiribabu Please follow the steps mentioned in below community article :https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/how-to-bundle-third-party-libraries-or-bundles/qaq-p/2445921. Add dependency to the pom.xml<dependency><groupId>com.thirdparty</groupId><artifactId>my-bu...

Please check below community article:https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/migrate-coral-ui-2-multifield-to-coral-ui-3-multifield-along/qaq-p/354674 

Navigate to OSGi Configuration in Felix console named "Apache Sling Content Disposition Filter" and in the "Included Resource Paths and Content Types" add for image Ex: “/content/*:image/svg+xml”