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Closed 11 years ago.
I want to host a sample java web application(if possible any DB) for my learning, can you suggest any free cloud hosting providers?
Try Google App Engine for Java -- you can either use GAE-specific code or run most regular WAR files there. Pay special attentation to the restrictions of the sandbox your code runs in on GAE.
Try a free trial with Microsoft's Azure
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Closed 9 years ago.
I need to store uploaded files in my web app. Database seems to be wrong even though someone says it is just fine. Uploading the files to the local filesystem of the app container is not scaleable. So from what I know the only option I have is JCR and I wonder if you would use it in a new project today? What are the options? (links would be great)
You can use Apache Hadoop to serve files in a clustered application.
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Closed 10 years ago.
Is anyone aware of any tutorial or link from where I could learn how to create my own custom application server like Tomcat or Jboss.
Here You have top 6 Java EE application servers. In server site You can find documentation, and source code. It should help you. But BTW why are You trying to do it?
No link that i know of, but you could take a look at Glassfish (a Java EE reference implementation) as it is open source.
Might be a good starting point.
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance.
Closed 11 years ago.
What is the best Open Source Web Crawler Tool, written in Java.
Try crawler4j. You just need to implement a simple interface which controls which URLs to visit and what to do with each crawled page.
in java I think it boils down to Nutch vs Heritrix. You should specify what your needs are to get a better answer.
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Closed 10 years ago.
My team is looking for a proven and easy to use Java encryption framework or toolkit to encrypt our data traffic. We have found Google's KeyCzar and it looks promising but we want to know if anyone has had success with other toolkits or have had issues with KeyCzar.
I have succesfully used jasypt, pretty easy to get started.
The JDK comes with a security framework and encryption algorithms.
Read http://download.oracle.com/javase/6/docs/technotes/guides/security/crypto/CryptoSpec.html.
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Closed 11 years ago.
I am looking for a java base open source system
Any popular choices?
Google is your friend.
Free software and open source
Chamilo
Claroline
Democrasoft
Dokeos
eFront
ILIAS
Moodle
Sakai
Source: Virtual learning environment -> Course management systems
Well, there's Sakai