Blogs

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...

Sahil Akhtar | Nov 22, 2023 12:23 PM

Introduction  This code extends the capabilities of Liferay, a powerful platform for web applications, by enhancing its functionality to seamlessly integrate with Excel files. Specifically, it...

David H Nebinger | Nov 10, 2023 5:26 PM

Introduction So I kind of have a "famous" blog post on Liferay Scheduled Tasks: https://liferay.dev/blogs/-/blogs/liferay-7-ce-liferay-dxp-scheduled-tasks. I say "famous" because it has been used...

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...

Iván Zaera Avellón | Oct 20, 2023 9:03 AM

This article explains how to deploy npm packages bundled with webpack that export and import stuff through the standard ECMAScript modules feature. This is a sequel of the Moving from AMD to...

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 27, 2023 2:01 PM

Introduction So recently I was helping a client eliminate some FreeMarker from their site. As many who have read my blogs, I'm a quick one to call out "FreeMarker Abuse!" when I find that folks are...

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...

Iván Zaera Avellón | Aug 11, 2023 10:12 AM

This article explains how to leverage the new ECMAScript modules feature (from now on will be referred to as ESM), Custom Element and Import Map Entry client extensions in Liferay DXP to achieve...

Bhargav R Vaghasiya | Aug 10, 2023 9:14 AM

Problem: Using custom fields for custom entities? However, the Liferay control panel does not provide a way to determine how many custom fields there are for custom entities.   Solution: Just add a...

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...

David H Nebinger | Jul 12, 2023 6:04 PM

Introduction Recently I've been helping folks on the community slack and forums who have faced a common issue. At startup, they reach an exception, java.lang.IllegalStateException: Unable to get...

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...

Tibor Lipusz | May 23, 2023 2:21 PM

As AI has become paramount recently and Liferay DEVCON 2023 is about to get started, it is exciting to highlight this recent release and to promote the feature from development to beta phase. Since...

Olaf Kock | Apr 12, 2023 1:29 PM

Since Liferay introduced Stylebooks, the Best Practice for your installation has changed, to no longer deploy your own theme, but rather use a stylebook and change it to adhere to your Corporate...

David H Nebinger | Apr 6, 2023 6:25 PM

Introduction So I'm going to be putting together a series of blogs on new things that are available in Liferay 7.4, but I realized after starting a blog on Objects that I need to take a step back...

Olaf Kock | Mar 30, 2023 9:19 AM

If you've ever repeatedly gone through a checklist, with programming knowledge: How often did you have to repeat the steps until you automated them? Or, without programming knowledge: How often did...

David H Nebinger | Mar 29, 2023 4:01 PM

Another short one today, this one is due to something shared with me by my good friend Olaf Kock... It starts with a question - do you like waffles? Or, more specifically, do you like the Liferay...

Chirag Lakhamani | Mar 24, 2023 4:28 PM

Liferay DXP 7.4 supports integration with Azure Blob Storage for storing and managing files in the cloud. This integration allows users to take advantages of the scalability and durability of Azure...

Bhargav R Vaghasiya | Mar 24, 2023 6:09 AM

Liferay Objects can generate service layers by simply declaring schema in the Liferay control panel. Liferay makes the Object's content accessible via headless APIs as well. On Notifications with...

Bhargav R Vaghasiya | Mar 14, 2023 12:09 PM

Low code and no code development are handy for developing a website without a technical background. Liferay came with the Object concept, which is able to generate the persistence and service...

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 | Mar 10, 2023 5:47 PM

So just a quick blog post today... I was working with Support where they were trying to help a client that had a failed U64 bundle upgrade in Production and we were trying to understand what the...

Neil Harwani | Feb 22, 2023 9:25 AM

How to debug Liferay? Some pointers. – Part 1. Many a times, we only check at specific places and forget other areas while debugging. This small blog acts as a checklist to check and debug Liferay....

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...

Maharajan Paramasivan | Apr 27, 2022 1:25 PM

Part-1 | What & Why & When Custom Liferay Framework Create your own Liferay Framework, Understand the possibilities to write your own Liferay framework for any complex custom developed solution...

Mohammed Yasin | Apr 21, 2022 9:19 AM

Liferay provides an option to configure password policy (refer), it provides an option to mention Password Expiry Time. Once the Password is expired then user will not be able to login to the...

Michael Chen | Apr 7, 2022 5:11 PM

Many UI teams prefer building Liferay DXP Theme using gulp instead of the Liferay Theme Builder. For example, cd themes/my-themenpm installgulp build However, Liferay has not documented ways to...

David H Nebinger | Mar 24, 2022 3:15 PM

Introduction So my friend Thiago Moreira posted the following (slightly edited) message to our internal Slack: Hey, so I've built a module for 7.4 GA5, but when it is deployed to 7.4 GA16, I get a...

Maharajan Paramasivan | Mar 9, 2022 5:18 AM

Part-2 | How to Custom Liferay Framework? Implement your own Custom Liferay Framework over a simple use case and understand the possibilities and capabilities that open up. Continuing on top of the...

David H Nebinger | Feb 25, 2022 3:34 PM

Just a quick one today... In previous versions of Liferay, if you were browsing a site as a guest but wanted to access a private page or a private site, Liferay would automagically show you the...

David H Nebinger | Feb 14, 2022 8:29 PM

Introduction Recently I was asked how to implement MDC and/or NDC in Liferay 7.4, and since I thought it might be interesting to a wider audience, I'm going to blog about it here. Background In a...

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 21, 2022 7:08 PM

Hey, so a quick post today about how to set up JNDI connections in Liferay CE 7.4 or Liferay DXP 7.4. Liferay moved jars around in 7.4. No longer are there key jars in the Tomcat lib/ext directory...

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 | Dec 10, 2021 8:06 PM

Hey, all! There's a new zero-day vulnerability hitting the web right now, and it is affecting a lot of libraries and applications out there, including Liferay 7.4. Any app using Log4j2 is...

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 24, 2021 5:11 AM

Just a quick one... I've just updated my Log Persister project for Liferay 7.3. You can find it under the 7.3 branch: https://github.com/dnebing/log-persist/tree/7.3 For those that aren't aware, I...

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 | Jul 15, 2021 2:51 PM

Introduction So I was recently asked to help build a custom Liferay docker image for a client and there were some specific requirements such as: Should not contain hard-coded credentials, those...

Olaf Kock | Jul 9, 2021 10:52 AM

If you’ve ever looked at a Liferay workflow implementation and its scripts, you might have seen workflowContext being referenced in the scripts that are executed in the individual tasks and states....

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...