Blogs

Creating configurable portlets allow site administrators to customize the behaviour of the portlet the way they want to. The core feature set can be expanded dynamically by changing the portlet preferences. You could, for instance, change the email address where customer feedback is delivered, change the display styles of asset publishers or even disable some features if needed. Using...

Liferay  Inter Portlet Communication (IPC) is mechanism to communicating one Portlet to other Portlet.   JSR 168/ Portlet 1.0 have very limited capability to provide Liferay Inter Portlet Communication (IPC) and its used Portlet Session to share data among Portlets.   JSR 286/Portlet 2.0 has added...

Over the years, Liferay has been able to provide many individuals and organizations a unique platform to give them a stronger presence on the web. But we aren't able to accomplish this mission alone. A huge contributing factor of our success has been the deep and vibrant contributions from our community members. Essentially, people like yourself who make up the 100,000 strong! Why...

How to catch MySQL SQL with tcpdump in Linux Introduction This idea of post is from my previous one: Liferay and P6spy, with the help of P6spy, we can get the formatted Hibernate SQL without "?" ,but it is not so convenient, so are there any way to do the same things, as we all know that MySQL uses port 3306 to monitor infos as default. now the...

The problem While doing some work for a client I ran into issues with the preview generation for some PDFs. While it did generate a preview image for each page of the document, the text on it was strange sometimes to say the least. In the table below you can see a screenshot of the first page of the problematic PDF, the preview that is generated by Liferay and the preview we're...

Introduction I decided to write this blog as I did find out that this is the area of the Liferay that has not been documented at all?  So this blog post can act as documentation for this. So let's talk about entity/model permissions and especially ResourceBlock permission. If you are not familiar with Liferay’s permission system I would suggest that you go and first read...

On April 28, 2015 Liferay released Liferay Faces 4.2.0-beta: Liferay Faces 4.2.0-beta JSF 2.2 + Liferay Portal 6.2 Release Notes Feature Complete This new version of Liferay Faces is just about 100% feature complete which is why we decided to advance the version from "milestone" to "beta" status. New...

Takeaways from intra.NET Reloaded Boston   Modern organizations are increasingly seeing the value of trading in their notoriously outdated and static intranets for social and collaborative digital workplaces, but the opportunity to greater facilitate employee engagement still exists. At the recent intra.NET Reloaded Boston event, attendees were asked to consider, “What is...

Portlets are components which create a portal application. They can function without any knowledge of other portlets, or can be configured to be dependent of one another in many ways. You can define events which portlets fire and listen to. You can query the location of another portlet and link to it from your portlet, or even call the service interface the other portlet is offering....

If you've attended any Liferay Symposium, Solutions Forum, or Developer Conference in the last few years you've undoubtedly seen the companion mobile app that attendees can use to see up-to-date agendas, speaker info, session data, and a bunch of other features that enhance the attendee experience. I'm happy to announce that the source code to this app (and its two...

Communities are essential to shaping our identities. They bring people together through a common activity or belief and provide us a context in which we are able to interpret ourselves and one another.   Take a sporting event, for example. Two strangers sitting next to each other can be wearing the same blue jerseys and rooting for the same team to win. Hugging, shouting,...

If the line below is executed in a JavaScript console, what will be the value of hour? var hour = new Date(2015, 9, 18, 0).getHours(); The intuitive answer is zero, and it is right in most situations. Yet, in regions under the America/Sao_Paulo time zone, daylight saving time will start at October 18, 2015 at 0:00, so all clocks will advance to 1 AM once they pass through...

I'm very happy to announce the release of Liferay Portal 6.2 CE GA4! Download it now: [Tomcat Bundle] [JBoss Bundle] [GlassFish Bundle] [Source Code] [Other bundles and Files] [Quick Start] [Detailed Install Instructions]. Once again, this release is particularly noteworthy. Why is that? Well, if you attended DevCon in Germany last year, you probably don't remember it, but I...

Continuing in the spirit of Juan Gonzalez’s excitement over the new portal components, let me introduce a new Liferay Faces Alloy component which will be included in the the upcoming GA release.  Following the example set by our friends on the AlloyUI team, we packaged their toggler as a  JSF component.   Q: What advantages does JSF bring to the table? A:...

Liferay have introduced Expando API to extending existed Liferay tables to add additional columns rather than creating new tables in the database.   Logically its look like new tables in Liferay but originally it won’t be created in the Liferay database.   All Expando mechanism is organized by following four tables which...

Hi everyone! As you may know there are many exciting things that had been done so far in the last year for Liferay Faces. This is the first of a blog series about all of these improvements and new features that you will see in the next weeks, when GA release shows up. I will start this series explaining the new features and improvements from the Liferay Faces Portal components. ...

A little over a year ago, iBeacons made their way to the retail market in a mass deployment to 254 Apple stores. Since then, they’ve had technology enthusiasts and event marketers alike anticipating the splash this fresh technology would make in the world of events. If you’re thinking about using iBeacons at your next event or are looking for ways to enhance your attendee's...

Issue Recently I worked on a Liferay 6.1 to 6.2 upgrade project. The Liferay was configured to use sharding with three database schemas. During the upgrade process, an exception is thrown:   Analysis The cause of the problem is: the upgrade process tries to upgrade the default shard twice. There is a similar issue in Liferay 6.1 which is marked as fixed:...

It's been about 1 month since we launched the Liferay 7 Community Expedition! I first want to thank all of you that have spent your valuable time and brain cycles to help with Liferay 7 exploration, and for collaborating with the rest of our open source community to respond to feedback they have given. I wanted to share some statistics and also remind you of what will happen in...

I'm very happy to announce the release of Liferay Portal 6.3a! Download it now: [Tomcat Bundle] [JBoss Bundle] [GlassFish Bundle] [Source Code] [Other bundles and Files] [Quick Start] [Detailed Install Instructions]. This release is particularly noteworthy as it represents a new direction for Liferay. Due to the cost involved in producing CE releases we've decided to make...