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How to Migrate from JSF 2.0 to JSF 2.3 in existing EJB with RichFaces Project.
Please suggest the steps to be followed.
This question is far too broad.
Official RF won't work with JSF 2.3. RF is very old and the last version is much older than JSF 2.3.
So the steps would be:
Upgrade to JSF 2.2.
Choose one:
Stop with JSF 2.2.
Remove RichFaces. Use something more modern like PrimeFaces.
Try to use some forks of the original RF. For example the work of Alberto Fernández which is avaible on Maven. But I don't know if that builds are really production ready (they seem to work with JSF 2.3).
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I am a beginner for BIG DATA(spark), Nowadays, I have installed spark2.4, So I want to know which best version should be chosen. Because I want to avoid conflict, which so bad.
Apache hadoop 2.7.7 is a stable release to be used. However, I've setup Apache hadoop 3.1.1 and running Spark 2.4 with it and have not seen any issues.
If you are doing it for practice better use 3.1.1 version and for production I would recommend using a more stable release.
Thanks,
Naveen
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I finally was able to install the latest version of pylucene, though I'm not able to locate tutorials or examples on how to do some basic funtionalities like indexing, specifying the query and retrieving documents.
According to the official Apache Lucene website: "PyLucene is a Python extension for accessing Java LuceneTM. Its goal is to allow you to use Lucene's text indexing and searching capabilities from Python. It is API compatible with the latest version of Java Lucene..." - so I would suggest you to learn Lucene API in Java.
In addition, the official site also offers PyLucene samples:
https://lucene.apache.org/pylucene/features.html
Finally, I would recommend you to consider using PySolr / Solr instead of PyLucene / Lucene, as discussed and answered in another post: https://stackoverflow.com/a/15706624/9263939
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Liferay internally uses spring and hibernate. In that perspective, I want to ask that is it correct to say that Liferay is built on top of Spring and hibernate. Please correct me if I am wrong...thanx in advance.
If you also use in a context where you assume that it is not exclusively built on top of those frameworks, you will be correct.
Hibernate and Sprint are 2 pillars of several that sustain Liferay. Hibernate for instance is essential for developers using Liferay as well, even if they do not know or do not care about how the service builder does its job.
Liferay 7 is a bit different as we are seeing OSGi becoming more and more important, and significantly more utilized for building custom modules and sometimes replacing spring functionality.
Overall, it depends on your context and angle. Struts, Spring, Hibernate, OSGi are all mixed in harmony with Apache libraries, scribe and other famous libraries to build Liferay. And this is just with regards to back-end stuff.
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I'm a beginner in developing xpages, I want to use bootsrap4 xpages I ask if there are good tutorials to help me. thanks
To use Twitter bootstrap in XPages you need 3 pieces:
Understand Bootstrap
The latest Extension library (it includes Bootstrap)
Head for http://xpages.tv - you will find tutorials there
In a nutshell: add the Extension Library X to your app, go to the app properties and pick the bootstrap theme. Then use the app layout control -> Done.
Make sure to read the install instructions for the extension library (it has 2 steps for Domino Designer).
Good luck
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The plataform Bluemix from IBM has support for Primefaces?
I deployed a app in JSF + Primefaces and Primefaces components did not show up. On the other hand, the JSF components appeared.
I did the same test with the application running in apache tomcat 8, in which case there were no problems.
My google results say it is possible to run jsf on bluemix, so the answer is YES