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Showing posts from September, 2013

Vaadin and Google Maps

Vaadin and a Google Map Widget One of my major irritations with Vaadin has been its lack of support for Google Maps as a standard widget. The reality is that many commercial applications require some form of mapping feature and the lack of support for a standard Google Map widget has been a major problem. However this has changed with Version 7.x of Vaadin, a new Google Map Addon has appeared and it fills a very important gap in the Vaadin feature set. How to Use It. If you use Maven in your development process then using the Addon in your Vaadin project is very easy. Just place this dependency in your POM file and make sure you have the correct repository established for the Vaadin Add On's. <dependency>    <groupId>com.vaadin.tapio</groupId>    <artifactId>googlemaps</artifactId>    <version>0.6.2</version> </dependency> Here is some simple code to get you started. It creates a Googl...

No Machine stopped after launching EC2 instance into new VPC - solved

The Error If you get this error from your No Machine Client Desktop NX> 500 Authentication failed NX> 500 Remote host identification has changed NX> 500 Offending key in /usr/NX/home/nx/.ssh/known_hosts NX> 999 Bye. NX> 280 Exiting on signal: 15 Solution I solved this by doing: Find file usr/NX/home/nx/.ssh/known_hosts which includes old keys used by your ssh daemon. Remove your old key(s) by commenting out the lines. Create new connection into host using No Machine Wizard. Thanks to this post