Richard Cookson Content Writer

Vamshidhar SrikantapuramSenior Enterprise Portal
Systems Engineer

As a Senior Enterprise Systems Engineer at XTIVIA, Vamshidhar Srikantapuram has extensive experience and specializes in the architecture, installation, and administration for numerous applications including Liferay Portal, Vignette Portal, and Dialog. He has more than nine years of experience with setup and administration of Liferay portal, Apache Solr with Solr cloud, Vignette suite of products, Digital Asset Management platforms, JIRA, Confluence, WebSphere Application Server, and Google Search Appliance. Vamshidhar boasts excellent troubleshooting skills with an ability to deliver results and lead his team toward any goal in high-pressure environments.

Vamshidhar Srikantapuram
Senior Enterprise Portal Systems Engineer

As a Senior Enterprise Systems Engineer at XTIVIA, Vamshidhar Srikantapuram has extensive experience and specializes in the architecture, installation, and administration for numerous applications including Liferay Portal, Vignette Portal, and Dialog. He has more than nine years of experience with setup and administration of Liferay portal, Apache Solr with Solr cloud, Vignette suite of products, Digital Asset Management platforms, JIRA, Confluence, WebSphere Application Server, and Google Search Appliance. Vamshidhar boasts excellent troubleshooting skills with an ability to deliver results and lead his team toward any goal in high-pressure environments.

Using Riverbed APM Tool to Fix Outages Caused by a Performance Issue

Initial triaging steps The Systems Engineering team at XTIVIA took thread dumps, heap dumps, and started analysis of Garbage collection logs to get an overview of the JVM health. Thread dump analysis of the Liferay Server 02 showed a number of blocked threads that are... read more

Change Cookie Processor to Legacy Processor in Tomcat 8.5 for Liferay DXP

Summary of the issue It is highly recommended for customers to upgrade to Tomcat 8.5 since Tomcat 8.0 has reached the end of support on June 30, 2018. With Apache Tomcat 8.5, Apache has introduced new features and has improved the performance. However, after the... read more

Setting UMASK in Tomcat 8.5 for Liferay DXP

Recommendations While we recommend using log aggregator tools like Splunk, LogStash etc., the cost of setting and fine-tuning the setup might be prohibitive. It is also time-consuming to get the setup right. Due to the aforementioned costs, developers require access... read more

Fixing User Timezone Issues in Liferay DXP

Cause The timezone of a user is usually set based on company.default.time.zone property set in portal-ext properties file on first startup. However, if the time zone doesn’t follow the standard formatting for the Java time zone ID (for example, using EST5EDT... read more

Fixing Mixed Content Warnings in Liferay DXP

Process to configure a Liferay portal or Liferay DXP instance to serve content for multiple websites over secure http, and over regular http protocols.

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Triaging High CPU Utilization in Liferay

XTIVIA has been working with Liferay platform for over 10 years; over this period, we have had ample opportunity to build our understanding of how Liferay interacts with the Java Virtual Machine (JVM), and how to triage performance issues in a Liferay JVM. This... read more