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Vamshidhar Srikantapuram
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Date: 7/31/14
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Setup GSA (Google Search Appliance) for websites with cookies

Here's the situation  - you want your Google Search Appliance (GSA) to crawl a website that either requires or sets cookies. After you crawl the site using GSA, when you go to the cached version of the page on GSA, you see an error message that says "Cookies must be enabled on your browser to view this page". How do you fix errors like this? Fortunately there are a few solutions. ...
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Understanding WebSphere AppServer (WAS) Class loaders

IBM WebSphere AppServer (WAS) is a true enterprise-class server which is used to service a wide variety of applications. WAS is a robust, scalable application server which provides a plethora of options; however, some of the options can be downright confusing.  One item which can be particularly confusing for users new to the way that WAS operates is the concept of Class Loader...
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Liferay Performance Tips - Page Load Caching

I recently came across a unique issue with a client.  I was working on some performance optimizations due to latency on page load.  I found an interesting issue around caching and this inspired my blog.  Without giving any specific details, the client had developed an enhancement which allowed them to lookup custom data associated to any object within Liferay.  This...
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GSA database connector doesn't index all records

The issue We saw an issue recently where the database connector for Google Search Appliance (GSA) wasn’t indexing all the records in the database table. Using GSA database connector, we were trying to index a database  view that had about 200,000 rows. Checking the status of the database crawler was always returning a number much lower (sometimes zero) than the 200,000 records...
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Troubleshooting Solr setup on WAS 8.x

We recently came across an interesting issue with one of our clients. Our client was trying to setup Solr 4.7.2 on WAS 8.x and was unsuccessful in starting up the Solr application. When they contacted us with the issue, the first thing we looked at was the AppServer logs. Here’s a snippet from the AppServer logs: [6/20/14 16:19:04:959 CDT] 00000082 CompositionUn A WSVR0191I:...
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Delivering Your Enterprise: Usability

This article is part of an ongoing series. See the blog entry Delivering Your Enterprise: The ilities for an overall discussion. I have to admit, I've been putting off discussing Usability because, well, I wanted the information to be usable. Like user interface design, it's one of those topics where everyone considers themselves an expert. While we all have more to learn about...
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GSA (Google Search Appliance) database connector not pushing feeds to the GSA?

After configuring Google search appliance connectors, sometimes Google search appliance doesn't receive any feeds from the connector. This issue could be a little unclear to troubleshoot. The reason being everything looks okay and the connector status shows green in the GSA admin console. No matter how many times you try to reset the connector, the GSA doesn't receive feeds from the...
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Delivering Your Enterprise: Adaptability and Maintainability

This article is part of an ongoing series. See the blog entry Delivering Your Enterprise: The ilities for an overall discussion. We've all been on projects where management stood up and announced some variation of "The project is running late - we don't have time to do any more design, so just start coding." The junior members of the team get excited ("About time - coding!"),...
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Display time taken to render a portlet in Liferay

Improving application performance and optimizing application performance is key to enhancing user experience with websites. Monitoring individual portlet load times and optimizing individual portlets can contribute to better user experience and better overall performance of an application. Liferay provides an easy way of displaying individual portlet load times in a page. Adding the...
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Liferay Portlet Sandboxing

You may not be aware yet, but there's a new liferay feature called Portlet Sandboxing.  You can find the "Portlet Sandbox EE" plugin in the Liferay Marketplace.  This feature was designed to isolate portlets applications from liferay and other portlets.  The theory is that a poorly written portlet should not take down the entire site.   This is done by running...
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