Blogs

Introduction There is a security problem around that affects several Liferay version from 6.1.x to 7.2.0. Usually Liferay only provides fixes for the latest Community Edition. This time the issues CVE-2020-7961 is rather critical, so Liferay decided to offer source code patches even for pretty old versions too. Thank you guys! We already see attacks to our Liferay servers as...

The design of workflowContext in KaleoInstance is not fork/thread/cluster safe. There is no database row level locking to prevent dirty reads from and competing writes to workflowContext as a Map or as a string. This also applies to Java code and KaleoTaskInstanceToken.workflowContext and KaleoTimerInstanceToken.workflowContext. I propose this change, which prevents developers from...

This blog post contains a simple procedure to upgrade the templates created for Web Content in Liferay Portal 6.x EE with Velocity to Freemarker in Liferay Portal/DXP 7.x. As you might know, the use of Velocity is deprecated in Liferay Portal/DXP 7.x and it’s advisable to migrate from Velocity to Freemarker. This post is not magic or rocket science, just a set of steps that can help...

If you're following this series for a while, you might not have expected a new chapter with just a minor release of Liferay Portal 7.3.1 CE, GA2. I had just released chapter 6 for 7.3.0 GA1 - what's new now? Well, the re-release is necessary, because contrary to the last many chapters, 7.3.1 introduces some changes in its theme, so that the advertised CSS change now differs. ...

Liferay Portal 7.3 CE GA2 is our second release using our new Rolling Release cycle. For more information on our new release cycle please find the announcement here. Docker Official images can be found on Docker Hub and can be used for deployments on any system that is running Docker. For more information on configuration options for the image see the overview page. To get...

All documentation is being centralized on a new site called learn.liferay.com.  Learn represents a large scale effort within Liferay to completely re-envision, curate, and re-write documentation to simplify and improve the learning experience for people of all backgrounds using our products.  Documentation is currently spread across several sites with some...

I recently recorded a screencast that shows how to upgrade Liferay DXP 7.2 from embedded Elasticsearch 6 to a remote Elasticsearch 7 single-node cluster using Liferay's Elasticsearch 7 connector from Liferay Marketplace.  

Disclaimer: This post blog post was originally posted on the author’s private blog (and is being actively updated there). The positions in it are the author’s alone and may or may not reflect Liferay’s official positions. This blog post was not easy to write as it started as a very simple thing intended for developers, but later, when I was digging around, it turned out that there is...

I recently recorded a screencast that shows how to create an ad-hoc report via TIBCO Jaspersoft Studio for Liferay DXP and it is now available on YouTube. Note that it requires the Liferay Reports Plugin from the Liferay Marketplace. The resulting Jasper Report XML (.jrxml) definition contains an SQL query that performs a join between the AssetEntry and RatingsStats tables in...

Redis is an in-memory store that can be used to provide a central and external place to save the application session information. It can be very useful in cloud environments or to handle node crashes without losing session information. Redisson appears as an alternative in order to provide integration between Redis and Tomcat: Provides a Tomcat Session manager that Stores session of Apache...