Liferay
How to nest modules in folders
Is your module folder full with modules? Do you wish to group them like the Service Builder template does?
Liferay DXP Configuration Portlet
This article is about my intership in [Technopolis S.A.](http://www.open.gr) . It was my first summer working in a company and it was pretty interesting.I was 2 months there and my superior told me…
Deploy a Liferay 7/DXP workspace project with Jenkins
Our project is a [Liferay Workspace Project](https://dev.liferay.com/develop/tutorials/-/knowledge_base/7-0/liferay-workspace) and lives in git. The test environment is on a remote server.
Elastic Search UI for the default Liferay 7/DXP installation
Liferay comes bundles with an integrated Elastic Search server. This answers in port 9200.
Resolving dependencies in OSGi container in Liferay DXP
Working with gradle in our IDE is not a problem. The problems begin when we choose to deploy our modules which contain third party libraries in liferay...
Liferay DXP MvcPortlet and Service Builder
We will make a MvcPortlet with a Service builder which on a button click will store a message in the database and then display it.
How to use the localized input field in Liferay 6.2
In liferay 6.2 (yes, it is alive), if you are working with a miltilingual site, you can use a very handy way to define multilingual fields, for example in the preferences of a custom portlet. Lets as
PortletResponseUtil, where were you hiding?
PortletResponseUtil is a class to be used in the serveResource, in case you want to serve a file.
Bootstrap 3 in Liferay 6.2 works (at last)!
Liferay 6.2 is nice, but the guys working on the themes, should make a time travel in the past and use bootstrap 2.3... They don'y like it at all.
Quick and dirty solution for web developers
In some of our projects we have the problem, that the portlet plugins are big and slow and the deploy time takes a lot of time.
Liferay 6.2 Integration Tests with Arquillian and maven
At last, after almost two years, I managed finally to make the integration test
Make your control panel custom portlet visible per site
Lets us assume we want to have an admin portlet in the content area in our site. We can do this by adding the following xml elements in the liferay-portlet.xml
Getting the preview URL of a File Entry
If you are working in a custom portlet and with FileEntries, it is very likely that you will need the preview url of this file, to use it in your UI.
Liferay Studio 2.2.x won't do the update thing
If you want to try to update your Liferay Studio, you may encounter the following problem:
Stop the parallel rendering of the portlets view
You can do this by adding p_p_parallel=0 in the URL.
Portlets communication on the same page in render phase.
Once again I faced the same old problem: I have one portlet A which carries a value X and 2 other portlets on the same page B and C that needs this value X on their render phase.
JCaptcha in Liferay (multiple instances per page)
Liferay supports simpleCaptcha and reCaptcha by default.
Plugin Unit testing in Liferay 6.2
In the past I tried to find out how to unit test my plugins in liferay with no success. To be honest, I never tried much, and I am also a rookie in unit testing.
"PermissionChecker not initialised" in scheduler job
When writing a scheduler job in liferay, you don't have access to the the themeDisplay life in portlet methods. So you miss a lot of handy data.
Custom simple captcha in custom portlet for Liferay
In the last month we had to add different captchas in some liferay sites.
A tip to solve many asset category problems
In case you are experiencing a strange behaviour in the Categories portlet of the control panel, like creating a category in vocabulary x and finding it in vocabulary y, you try to rebuild the cate
Make the preferences of a portlet company wide
Add the following elements in the liferay-portlet.xml file
Disable javascript minimizer in Liferay
Just add &js_fast_load=0&css_fast_load=0&strip=0 in the URL. Have a nice time debugging the javascript.
Original PortletConfig in Portlet Configuration
Lets assume you have a Project with its own Language properties and a portlet that have a configuration page.
How to define an entity in Service Builder for existing tables
Recently we encounter a case, where the tables of an external database were "moved" as synonyms in the schema of
Liferay Deployer (Jenkins plugin)
After posting my last post I made some progress in building the liferay deployer plugin.
Jenkins + Liferay plugin deployment
In the past I wrote an article about how to use jenkins to deploy your plugins in a remote liferay portal server.
While trying to find out how to test a MVC liferay portlet, I realised that there is not much of documentation about the subject.
How to create a jenkins job that builds a liferay plugin and deploys it to a remote liferay portal
Have a look also at this post. First of all we need:
ERROR [MVCPortlet:361] null is not a valid include
I was happy with my portlet, till I encounter a strange error after my deploy: ERROR [MVCPortlet:361] null is not a valid include
Error: Could not find or load main class com.liferay.portal.tools.SassToCssBuilder
Today, being a little tired and having a problem with the monitor of my computer I encountered a problem that I saw for the first time.
ServiceContext: What is this for?
Lately I was trying to insert some content into liferay programmatically and I saw in many API calls that there was a parameter object of type ServiceContext.
Problem overriding equals in a DTO object in Service Builder
If you try to override the equals method in a generated DTO object implementation and rerun the service builder, you will see the following error:
Can't debug javascript in Liferay?
Per default liferay minifies all javascript and css files of your portlets. As a result you have better speed, but while being in the developing cycle, you can scarify some speed for information.
Unable to locate deployment context from portlet properties
Are you fresh in life ray and testing Service Builder for the first time? is everything working fine, but in the console you see the following exception?
If you ever saw the following error while trying to run, for example, the deploy ant task of your portlet: Task cannot continue because ECJ is not installed.
Liferay diaries: Directing between different portlets on different pages
In my latest project I've came across the following UI construct:
Liferay diaries: Serving resources from a portlet with Spring
So there comes the day when you finally have to serve an image, pdf or excel report generated by a portlet or, more elegantly, by a Spring controller backing a portlet.
Liferay diaries: Help! My validation errors are not showing!
While still battling form submissions in my Liferay/Spring MVC Form controller/Multi-portlet beast, I noticed that the Spring form tags would not display errors.
