{"id":1169,"date":"2023-11-20T18:36:29","date_gmt":"2023-11-20T13:06:29","guid":{"rendered":"https:\/\/www.techandtrain.com\/blog\/?p=1169"},"modified":"2025-10-22T14:52:14","modified_gmt":"2025-10-22T09:22:14","slug":"common-programming-mistakes-in-liferay-gpt-generated","status":"publish","type":"post","link":"https:\/\/www.techandtrain.com\/blog\/2023\/11\/common-programming-mistakes-in-liferay-gpt-generated\/","title":{"rendered":"Common programming mistakes in Liferay – GPT generated"},"content":{"rendered":"\n

Generated using my GPT: https:\/\/chat.openai.com\/g\/g-uOPo2Wffl-liferay-helper-works-on-open-internet<\/a><\/p>\n\n\n\n

Common programming mistakes in Liferay often stem from overlooking best practices in both Liferay-specific and general Java development. Some of these mistakes include:<\/p>\n\n\n\n

1. Ignoring Liferay’s MVC Framework<\/strong>: Developers sometimes bypass Liferay’s built-in MVC framework for portlets, which can lead to more complex code and maintenance issues. Using Liferay’s MVC framework ensures better integration and easier upgrades.<\/p>\n\n\n\n

2. Not Utilizing Service Builder Effectively<\/strong>: Service Builder is a key tool in Liferay for creating persistence layers. Neglecting its use or misusing it can result in inefficient database operations and difficulties in leveraging Liferay’s service-layer capabilities.<\/p>\n\n\n\n

3. Hardcoding Configuration Values<\/strong>: Hardcoding values like file paths, URLs, or configuration settings in the code makes the portlet less flexible and more difficult to manage across different environments.<\/p>\n\n\n\n

4. Overlooking Permissions and Security<\/strong>: Failing to properly implement permission checks can lead to security vulnerabilities. It’s crucial to use Liferay’s permission framework to control access to different parts of your application.<\/p>\n\n\n\n

5. Poor Resource Cleanup<\/strong>: Not properly releasing resources such as database connections, streams, or temporary files can lead to memory leaks and performance issues.<\/p>\n\n\n\n

6. Mismanagement of Liferay Contexts<\/strong>: Misunderstanding the differences between the global, site, group, and user contexts can lead to incorrect data handling and display.<\/p>\n\n\n\n

7. Inefficient Use of Liferay API<\/strong>: Overusing or misusing Liferay’s API, such as making unnecessary calls to services or using them inappropriately, can lead to performance bottlenecks.<\/p>\n\n\n\n

8. Not Adhering to Modularization<\/strong>: Ignoring Liferay\u2019s modularization, especially with OSGi, can lead to tangled dependencies and challenges in maintaining and upgrading applications.<\/p>\n\n\n\n

9. Ignoring Front-End Performance<\/strong>: Neglecting front-end performance, like overloading pages with unnecessary scripts or heavy resources, can degrade user experience.<\/p>\n\n\n\n

10. Lack of Error Handling<\/strong>: Insufficient error handling and logging can make it difficult to troubleshoot and resolve issues in production.<\/p>\n\n\n\n

Avoiding these mistakes involves a deep understanding of Liferay\u2019s frameworks and best practices in Java web development. Regular code reviews, adhering to coding standards, and continuous learning about Liferay’s features are key to minimizing these common errors.<\/p>\n\n\n\n

For further inquiries or assistance, feel free to reach out at Neil@HarwaniSystems.in<\/a>, visit my blog at www.TechAndTrain.com\/blog<\/a>, check my website www.HarwaniSystems.in<\/a>, or connect with me on LinkedIn at https:\/\/www.linkedin.com\/in\/neil27\/<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Generated using my GPT: https:\/\/chat.openai.com\/g\/g-uOPo2Wffl-liferay-helper-works-on-open-internet Common programming mistakes in Liferay often stem from overlooking best practices in both Liferay-specific and general […]<\/p>\n","protected":false},"author":2,"featured_media":1170,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[192],"tags":[315,313,200],"class_list":["post-1169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-liferay","tag-common-programming-mistakes","tag-gpt-generated","tag-liferay"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/11\/Mistake.jpg?fit=1280%2C853&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7do02-iR","jetpack-related-posts":[{"id":1163,"url":"https:\/\/www.techandtrain.com\/blog\/2023\/11\/what-are-some-of-the-best-practices-for-liferay-using-three-separate-gpts\/","url_meta":{"origin":1169,"position":0},"title":"What are some of the best practices for Liferay? – Using three separate GPTs","author":"Neil Harwani","date":"November 20, 2023","format":false,"excerpt":"Generated using my GPT -\u00a0Liferay Guide - Via official sources of Liferay:\u00a0https:\/\/chat.openai.com\/g\/g-4G5XuBdpL-liferay-guide-via-official-sources-of-liferay Adhering to best practices in Liferay ensures that you leverage the platform effectively for enterprise solutions. Here are some key best practices to consider: 1.\u00a0Modular Development: Embrace Liferay\u2019s modular development approach using OSGi. Develop customizations in modules, rather\u2026","rel":"","context":"In "Liferay"","block_context":{"text":"Liferay","link":"https:\/\/www.techandtrain.com\/blog\/category\/liferay\/"},"img":{"alt_text":"Credits: www.Pixabay.com","src":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/11\/Fantasy-Portal.jpg?fit=1200%2C909&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/11\/Fantasy-Portal.jpg?fit=1200%2C909&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/11\/Fantasy-Portal.jpg?fit=1200%2C909&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/11\/Fantasy-Portal.jpg?fit=1200%2C909&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/11\/Fantasy-Portal.jpg?fit=1200%2C909&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":1256,"url":"https:\/\/www.techandtrain.com\/blog\/2024\/05\/what-is-osgi-as-per-gemini-chatgpt\/","url_meta":{"origin":1169,"position":1},"title":"What is OSGI? – As per Gemini & ChatGPT.","author":"Neil Harwani","date":"May 31, 2024","format":false,"excerpt":"OSGi (Open Service Gateway Initiative) is a fundamental technology used in Liferay DXP (Digital Experience Platform). It provides a modular framework that allows Liferay to be built from reusable components called bundles. These bundles can be dynamically installed, started, stopped, updated, and uninstalled without restarting the entire platform. Here's how\u2026","rel":"","context":"In "Liferay"","block_context":{"text":"Liferay","link":"https:\/\/www.techandtrain.com\/blog\/category\/liferay\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/05\/OSGI.png?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/05\/OSGI.png?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/05\/OSGI.png?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/05\/OSGI.png?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/05\/OSGI.png?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":1220,"url":"https:\/\/www.techandtrain.com\/blog\/2024\/02\/how-to-debug-liferay-when-nothing-is-printed-in-logs-and-there-is-a-problem-chatgpt-bard-generated\/","url_meta":{"origin":1169,"position":2},"title":"How to debug Liferay when nothing is printed in logs and there is a problem? – ChatGPT & BARD Generated","author":"Neil Harwani","date":"February 4, 2024","format":false,"excerpt":"Debugging issues in Liferay when nothing is printed in the logs can be challenging, but there are several strategies you can employ to identify and resolve the problem. Here are some steps to guide you through the debugging process: ### 1. Enable More Verbose Logging - Action: Adjust the logging\u2026","rel":"","context":"In "Liferay"","block_context":{"text":"Liferay","link":"https:\/\/www.techandtrain.com\/blog\/category\/liferay\/"},"img":{"alt_text":"Credits: www.Pixbay.com","src":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/02\/Scan.jpg?fit=1200%2C697&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/02\/Scan.jpg?fit=1200%2C697&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/02\/Scan.jpg?fit=1200%2C697&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/02\/Scan.jpg?fit=1200%2C697&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/02\/Scan.jpg?fit=1200%2C697&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":1376,"url":"https:\/\/www.techandtrain.com\/blog\/2024\/11\/possibilities-for-ai-powered-features-in-liferay-part-1-via-chatgpt-gemini\/","url_meta":{"origin":1169,"position":3},"title":"Possibilities for AI powered features in Liferay – Part 1 via ChatGPT & Gemini","author":"Neil Harwani","date":"November 17, 2024","format":false,"excerpt":"A good list on possibilities for AI powered features in Liferay - Part 1 from GAI\/LLMs. Sharing here for everyone's benefit. Came across during talking to ChatGPT and Gemini, very good ideas - some are inbuilt, some need customizations. Possibilities are endless. ******************************** Liferay, a digital experience platform (DXP), integrates\u2026","rel":"","context":"In "AIML"","block_context":{"text":"AIML","link":"https:\/\/www.techandtrain.com\/blog\/category\/aiml\/"},"img":{"alt_text":"Credits: www.Pixabay.com","src":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/11\/Mountain.png?fit=1200%2C872&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/11\/Mountain.png?fit=1200%2C872&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/11\/Mountain.png?fit=1200%2C872&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/11\/Mountain.png?fit=1200%2C872&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2024\/11\/Mountain.png?fit=1200%2C872&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":825,"url":"https:\/\/www.techandtrain.com\/blog\/2022\/02\/keywords-to-search-on-liferay-part-1\/","url_meta":{"origin":1169,"position":4},"title":"Keywords to search on Liferay – Part 1","author":"Neil Harwani","date":"February 19, 2022","format":false,"excerpt":"Searching these keywords on Liferay will keep you updated on what's happening in the ecosystem. Add \"Liferay\" in-front of these keywords & search the same. It's a mix of technical & functional \/ product feature topics. This is Part-1 of the series. Module loaderMVC portletLoggingUpgradePatch toolSearch filterHot fixesService packsSearch experiencesObjectsCommerceService\u2026","rel":"","context":"In "Liferay"","block_context":{"text":"Liferay","link":"https:\/\/www.techandtrain.com\/blog\/category\/liferay\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2022\/02\/Liferay.png?fit=594%2C209&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2022\/02\/Liferay.png?fit=594%2C209&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2022\/02\/Liferay.png?fit=594%2C209&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":1057,"url":"https:\/\/www.techandtrain.com\/blog\/2023\/04\/checklist-for-dms-use-case-in-liferay\/","url_meta":{"origin":1169,"position":5},"title":"Checklist for DMS Use Case in Liferay","author":"Neil Harwani","date":"April 13, 2023","format":false,"excerpt":"Find below a checklist for Liferay\u2019s DMS (Document Management System) Use Case: Size your document average size, range of size, number of documents, type, viewers, thumbnail requirements early Decide the workflow templates for start plus growth per quarter & estimated workflow instances per day \/ week \/ month in advance\u2026","rel":"","context":"In "Liferay"","block_context":{"text":"Liferay","link":"https:\/\/www.techandtrain.com\/blog\/category\/liferay\/"},"img":{"alt_text":"Credit: www.Pixabay.com","src":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/04\/Documents.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/04\/Documents.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/04\/Documents.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/04\/Documents.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.techandtrain.com\/blog\/wp-content\/uploads\/2023\/04\/Documents.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/posts\/1169","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/comments?post=1169"}],"version-history":[{"count":1,"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/posts\/1169\/revisions"}],"predecessor-version":[{"id":1171,"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/posts\/1169\/revisions\/1171"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/media\/1170"}],"wp:attachment":[{"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/media?parent=1169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/categories?post=1169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techandtrain.com\/blog\/wp-json\/wp\/v2\/tags?post=1169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}