Blogs

Ben Turner | Oct 21, 2025 1:21 AM

Hi everyone, As I continue to get my feet well under the Community table, I'm trying to make liferay.dev a more engaging and generally more useful experience for you all. As of right now (like, a...

David H Nebinger | Sep 6, 2024 6:58 PM

Introduction So I've been a developer for a long time (longer than I care to admit). When I started, being a developer actually meant you had to wear many hats, one of which has included database...

Jeffrey Handa | Aug 5, 2024 8:12 PM

Introduction In a previous post and follow-up, I provided some background on using Liferay's Batch APIs to import products. I realize that for anyone that is new to Liferay's commerce capabilities...

David H Nebinger | Mar 15, 2024 3:02 PM

DEVCON 2024 is happening! Dates: 11-14 November 11 Nov: Welcome Evening Reception - 7:00 pm - 10:00pm 12 Nov: 9:00am - 5:30pm 13 Nov: 9:00am - 5:30pm, Party Night starting at 7.30pm 14 Nov:...

David H Nebinger | Feb 8, 2024 2:44 PM

Introduction Recently my friend and coworker Andrew Jardine and I were together in Rome for a Liferay Partner event where we were part of a round table discussion about all things Liferay. Even...

David H Nebinger | Dec 7, 2023 8:59 PM

Introduction This post originated from a couple of different client questions... First was a seemingly simple question from a client: How do I use Service Builder to connect to an external database...

David H Nebinger | Dec 4, 2023 6:32 PM

Introduction So I was recently working with a team that was completing an upgrade assessment for a client wanting to upgrade from 7.2 to 7.4. A big chunk of the work in upgrading the client was...

David H Nebinger | Nov 29, 2023 6:08 PM

So just a quick one today about an issue that I helped a coworker with. A client had reported that after they restarted Liferay, they had to redeploy their custom module that had a replacement...

David H Nebinger | Nov 7, 2023 5:28 PM

Introduction In today's Office Hours session, the first question out of the gate was "If I'm using OpenID Connect for SSO, how can I synchronize UserGroup membership?". And, well, I just didn't...

David H Nebinger | Sep 29, 2023 2:48 AM

Introduction Recently I was pulled into a client project that was created for Liferay 7.4 and they needed to share content, structures, templates, documents, etc with multiple sites. Then I found...

David H Nebinger | Sep 20, 2023 3:24 PM

Introduction So recently I wrote the blog, Gradle 7 is here! Yay? where I showed how to update your workspace to Gradle 7.3.3, and I just kind of stopped there. I mean, I kind of assumed that as...

David H Nebinger | Aug 31, 2023 4:23 PM

Introduction It started with a simple Liferay Community Slack post by Pierre Beule: Hello, I am using pretty standard Liferay stuff to generate a Liferay configuration (let's say a GROUP scoped...

David H Nebinger | Aug 30, 2023 4:38 PM

Just a quick post today about the new Blade 5.0 release... It's out now, and you can update your local Blade using the blade update command. This new release supports JDK 11.0.20+ (so you don't...

David H Nebinger | Aug 15, 2023 7:51 PM

Introduction So for some time now, Liferay builds have been stuck on Gradle 6. Which, you know, is 2 releases behind the currently available Gradle 8... But, after a lot of work, Liferay is ready...

David H Nebinger | Aug 8, 2023 8:04 PM

Introduction So if you really want to set off a firestorm with geeks like myself, step into the group and say "VI is better than Emacs!" Be sure to turn and walk away quickly or you might find...

Tibor Lipusz | Aug 2, 2023 9:59 AM

What is a Collection Provider? Collection providers group items into collections for display on your pages. Several are available out-of-the-box, or you can create them using the Information...

David H Nebinger | Jul 25, 2023 2:16 PM

NOTE: Please read to the end of the blog, there are important updates that affect developers, don't just stop at the conclusion... Introduction So, the various flavors of Java have just released...

Tibor Lipusz | Jun 20, 2023 9:34 AM

Starting with Liferay Portal 7.4 CE GA81 and Liferay DXP 7.4 Update 81, on-premise deployments can operate with Elasticsearch 8 as the search engine. This capability is provided by leveraging the...

David H Nebinger | Mar 13, 2023 5:16 PM

Another quick one today... So when you start your brand spanking new Liferay environment, you will automatically get your test@liferay.com administrator account (or test@<your company email here>...

David H Nebinger | Feb 6, 2023 3:26 PM

Introduction Recently there have been a bunch of questions lately in Slack, in Ask, and even in Liferay Support tickets complaining about the time it takes to log into Liferay and what can be done...

David H Nebinger | Jul 27, 2022 12:24 AM

Introduction You may have seen my blog Setting Up JNDI in Liferay 7.4 which I posted to explain how to do a JNDI lookup. The code works, I assure you, but there's one group of developers that blog...

David H Nebinger | Jul 22, 2022 2:59 PM

Introduction I've been working with a client to upgrade their Spring portlet wars to Liferay 7.4. And the update is kind of big as we're upgrading Spring, changing to PortletMVC4Spring (needed for...

David H Nebinger | Feb 11, 2022 7:14 PM

Introduction In November of 2018, I authored a blog, Boosting Search. In that blog, I showed how to boost search results for tag matches in an effort to provide some alternative to GSA's KeyMatch...

David H Nebinger | Feb 7, 2022 3:50 PM

Introduction I've worked with clients that, for one reason or another, needed to change their database platform. This ask has increased with the move to DXPCloud and MySQL database. I'm not sure...

David H Nebinger | Jan 26, 2022 12:02 AM

Introduction I was recently polling my coworkers looking for new blog ideas, and Filipe Melo asked about Websockets. I haven't seen any other documentation or blogs about building Websocket...

David H Nebinger | Jan 13, 2022 5:55 PM

Introduction My friend and coworker Eric Chin recently posed a question on our internal slack channels asking if anyone had experience with Liferay's Batch mode and he was not finding enough...

David H Nebinger | Jan 11, 2022 6:57 PM

Introduction So recently I completed a database upgrade from Liferay EE 6.1 up to Liferay DXP 7.4. It was actually pretty straightforward and I didn't encounter any significant blockers. I did...

David H Nebinger | Jan 11, 2022 2:56 PM

Introduction So I wrote https://liferay.dev/blogs/-/blogs/extending-liferay-osgi-modules five years ago targeting Liferay 7.0. A lot has changed since then. Liferay Gradle Workspace plugin has seen...

David H Nebinger | Sep 18, 2021 12:30 AM

Introduction So when you start building your own fragments and using them on your content pages, you will often times run into an issue with propagation... So I like to create fragments for headers...

David H Nebinger | Aug 24, 2021 3:24 PM

Introduction I posted two blog posts this week, and each of them had a particular drawback - lack of cluster coordination. The first blog post on cluster-enabled upgrade processes introduced using...

David H Nebinger | Aug 21, 2021 5:40 PM

I recently was helping a client with an upgrade process and that had run into a little problem... A few of the model hints were not updated on some of the columns in their Service Builder services...

David H Nebinger | Aug 16, 2021 4:15 AM

A really quick post to share something important with you React + Clay developers out there... A recent update to Clay had a breaking internal change. If after deploying your React portlet and you...

David H Nebinger | Aug 7, 2021 2:46 AM

Introduction In a recent blog I explained how to create a React-based portlet within your Liferay Gradle Workspace by using the js-widget Blade template which in turn uses the Yeoman Liferay JS...

David H Nebinger | Jul 21, 2021 6:13 AM

Introduction A client asked me to build a React portlet for them and I was like, "Oh Yeah!" I mean, it's been a while since I built a React portlet and tooling has really changed a lot since then,...

David H Nebinger | Jun 17, 2021 6:27 PM

Introduction As many folks know, I'm known for telling people not to look inside the Liferay database itself. It's not always clear what is what in the DB and Liferay has a lot of code around...

David H Nebinger | Jun 8, 2021 3:34 AM

So some time ago I wrote the Cluster Details marketplace plugin. Basically you drop this guy into all of your Liferay clusters and you get a nifty little control panel that tells you details about...

David H Nebinger | May 18, 2021 3:06 AM

Introduction Historically developers have always wanted to be able to control site creation. It's not that Liferay admins are untrusted or anything like that. It is really more the case where...

David H Nebinger | May 14, 2021 3:10 AM

Introduction Liferay has, for a long time, supported RBAC, the role-based access control. It is, of course, backed by the database so (inheritance aside for the moment) a user will be assigned a...

David H Nebinger | Apr 21, 2021 5:07 PM

Introduction One of the great advantages I have being known in the community is really the opportunity to meet, talk and work with talented developers and teams. Recently the team at ACSoftware...

David H Nebinger | Feb 1, 2020 9:05 AM

Just a quick one this morning... So I'm working on a project for 7.1. With my new love of the target platform, I decide I'm going to enable the 7.1 target platform for my DXP project. Everything...

David H Nebinger | Jan 31, 2020 5:03 AM

Introduction So I get finished which the previous blog, Visiting DynamicQuery, and I shared it with my team. I'm always kind of happy when I get a new blog post done, so I share it with everyone I...

David H Nebinger | Jan 30, 2020 6:12 PM

Introduction If you've used any Liferay entities or ServiceBuilder custom entities, you've likely run into a situation where you've needed to perform a custom query to get a set of results that are...

David H Nebinger | Jan 29, 2020 10:02 PM

One thing I sometimes see is using a given Liferay feature the wrong way in order to do something. Take delivering content to the right users. Liferay actually has a bunch of ways to accomplish...

David H Nebinger | Jan 23, 2020 3:57 PM

I did an informal poll on the Liferay community Slack channel recently: I was actually kind of surprised by the majority of votes for the "What is the target platform?" option. So, inspired by the...

David H Nebinger | Jan 12, 2020 4:43 PM

Classic Liferay Localization Handling Any developer who has been around for awhile will have some knowledge of how Liferay handled localization for the entities... In your service.xml file where...

David H Nebinger | Sep 13, 2019 1:39 AM

Introduction I've recently started working on a React SPA to take advantage of the Liferay Headless APIs. I was working through all of my implementation details and was finally ready to start...

David H Nebinger | Sep 4, 2019 11:55 PM

If you’ve spent time rummaging around Liferay’s search and indexing documentation provided here , you’ll find a lot of details about document contributors, index writers, search registrars, etc....

David H Nebinger | Sep 3, 2019 9:44 PM

Introduction Welcome back to my series on using Liferay's REST Builder tool to generate your own Headless APIs! In part 1 of the series, we created a new project and modules, and we started to...

David H Nebinger | Sep 3, 2019 9:29 PM

Just a quick post today... So I've been using the Target Platform like all the time now. I don't want to have to worry about versions, especially those Liferay modules that change version numbers...

David H Nebinger | Sep 3, 2019 4:28 PM

Introduction In part 1 of this series, we started a project to leverage Liferay's new REST Builder tool for generating Headless APIs. We defined the Reusable Components section, the section where...

David H Nebinger | Sep 3, 2019 1:35 AM

Introduction In part 1 of this series, we started a project to build our own custom Headless APIs using Liferay's REST Builder tool. The project was started, four modules were created and I...

David H Nebinger | Jul 26, 2019 9:02 PM

Liferay 7.2 has an updated Service Builder that introduces some changes that we should all be aware of. From a Dependency Injection perspective, not really much is going to change for us when it...

David Gomez | Jun 25, 2019 7:55 AM

We, as software developers, usually need to reach our users through different channels: from web sites to applications running on smart devices (smartphones, smartwatches, ...) or even through IoT...