Archive for the ‘Development’ category

Grails Solr Plugin Progress Screencast

March 3rd, 2010

I started work on this plugin back in December based on the work I did for Patheos.com and by the graces of my employer Avalon Consulting LLC and Patheos, they allowed me to open source the plugin and continue working on it. This week I had some time to get back to it, and today I started creating a basic reference implementation application that will accompany the documentation. Below is a screencast demo of this application which indexes an export of songs from my iTunes library metadata and makes them searchable.

The code for the plugin is at Github and is still a work in progress.  I’m pushing towards a 0.1 release next week with the bulk of the work I still need to do in the form of documentation and clean-up.

So please watch the screencast, and I would love feedback.  I will certainly take offers to help continue the development of the plugin but would like to get 0.1 out first to round out my train of thought and not further delay that basic milestone.

Grails Solr Plugin pre-0.1 Demo from mbrevoort on Vimeo.

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Posted in Development, Grails, Technology

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Issue negotiating SSL connections from Weblogic

February 16th, 2010

This was one of those tough to track down issues that yielded very little in terms of actionable solutions vs. confirmation of similar problems while I Googled the problem symptoms.  I recently upgraded a Grails app from Weblogic 8 to 10.3. The app allowed users to upload videos to Youtube using the Youtube APIs, using ClientLogin for authentication. The problem was after the upgrade the connection to https://www.google.com/accounts/ClientLogin was failing during the SSL negotiation phase.  The errors in the log were

java.lang.IllegalStateException: Cipher not initialized
at javax.crypto.Cipher.c(DashoA13*..)
at javax.crypto.Cipher.update(DashoA13*..)
at com.certicom.tls.provider.Cipher.update(Unknown Source)
…

and

java.security.InvalidKeyException: Illegal key size

Thankfully I found this thread on a Korean Oracle forum. The solution is to add this JVM parameter:

-Dweblogic.security.SSL.nojce=true

This enables Weblogic to use a FIPS 140-2 compliant crypto module in the server’s SSL implementation.  FIPS 140-2 is a standard that describes U.S. Federal government requirements for sensitive, but unclassified use.

If you have this problem, I hope you stumble upon this post and it helps you.


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Posted in Development, Technology

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