Log4j migration from 1.x to 2.x package mapping table - log4j

I am migrating log4j 1.x project to 2.x. Can you please help me by providing a package mapping table where I can find the deprecated packages in 1.x and find the equivalent in 2.x

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Class not found exception : javax/faces/component/UIComponent

I trying to upgrade myfaces from 2.0.18 to the latest 3.0.1 but I am getting Class not found exception with the below error
noClassDefFound: javax/faces/component/UIComponent
Could you please let me know what is causing this issue or where can i get this class to add.
Your issue is that version of MyFaces is for jakarta libs not javax libs.
From Apache MyFaces docs version 3.0.1:
"The upcoming Jakarta Faces 3.0. It's equals to JSF 2.3 but with
"jakarta.faces" packages and constants instead of "javax.faces"."
https://github.com/apache/myfaces

Upgrading to JSF 2.4

I'm trying to upgrade from JSF 2.2 to 2.4 in Netbeans 11.0.
I downloaded the binaries and added it as a new library:
But when I look into the properties of my project, I still see the old JSF versions 1.2 and 2.2:
Is adding it as a Maven dependency the only way to upgrade? I wanted to upgrade it globally, for all (future) projects.
I'm using Java EE 8 with Payara Server 5.192.
JSF 2.4 does not exist as an official API at all. Do not use it. Currently latest official version is 2.3 and the next one will be 3.0 which will be released as part of Jakarta EE 9 (which is essentially exactly the same as 2.3, but then with the package renamed from javax.faces to jakarta.faces).
See also the blog article Do not use org.glassfish Mojarra 2.4.0! written by yours truly.
No, JSF 2.4 is not there yet. Technically speaking, Mojarra 2.4.0 represents the latest state of the master branch as it was during the transfer from Oracle to Eclipse. That transfer took place when JSF 2.3 specification was already released and JSF 2.4 specification has still to be started yet. JSF 2.4 is far from being a beta, let alone a reasonable snapshot. And yet there is a Mojarra 2.4.0 in Maven instead of e.g. a Mojarra 2.4.0-M1. As per the agreement between Oracle and Eclipse, it was necessary to release the latest work on Mojarra under Oracle's umbrella into Maven Central before the transfer to Eclipse was completed. And later Eclipse will do the same after the transfer is completed so that the integrity can be validated by the public. Using version "2.4.0" is indeed way too confusing for the public, because does actually not at all represent a real "2.4.0" version, but it is what it is.
As to your specific problem with Netbeans, you need to upgrade it to see "JSF 2.3" as an option in its built-in dropdown. Alternatively you can also just ignore it and write JSF 2.3 targeted code yourself instead of letting the IDE autogenerate it. That's basically what that "JSF 2.3" option is doing. Autogenerating the suitable JSF 2.3 faces-config.xml file and such. But you as a programmer of course can easily write code yourself based on official documentation.

log4j 1.2 to log4j 2 migration

I want to upgrade log4j version from 1.2 to 2.3 version. But there are many modules in application (almost 100) and I have 100 log4j.xml files. So I can't change my xml files manually. Can You suggest any automatic way?

JSF Richfaces upgrade

I'm fairly new to JSF and Richfaces.
I'm looking to upgrade our system from JSF 1.1.2 to the latest 2.0. Also looking at upgrading our Richfaces 3.0 to 3.3
Under the lib folder for old projects we currently have the following:
ajax4jsf-1.1.1.1.jar
commons-beanutils-1.7.0.0.jar
commons-collections-3.3.1.0.jar
commons-digester-1.6.0.0.jar
commons-logging-1.1.1.0.jar
jsf-api-1.1.2.0.jar
jsf-facelets-1.1.12.0.jar
jsf-impl-1.1.2.0.jar
jstl-1.1.2.0.jar
richfaces-3.0.1.1.jar
This is what I have added:
richfaces-api-3.3.3.Final (Added)
richfaces-impl-3.3.3.Final (Added)
richfaces-ui-3.3.3.Final (Added)
So what I'm looking for is info on what Jars I can remove and what Jars I'm missing that need to be added.
Thanks
Hmm, before talking about the libs... What's your goal using jsf 2.0 and rf 3.3? I am asking because rf 3.3 does not really make use of jsf 2.0. As the jsf 2.0 roadmap for richfaces says
The goal of JSF 2.0 support in the 3.3.3 release is to run your existing RichFaces 3.3.X applications in a JSF 2.0/EE6 environment with little or no changes.
See this link: jsf 2.0 roadmap for richfaces
OK, back to your libs... I don't remember them by heart, but at least you should change jsf-api and jsf-impl to 2.x versions and drop the old stuff. I would have a look at a rf 3.3 demo project, what is contained there.
You can also just use RichFaces Maven archetype and create a project with everything you need.

What implementation version of JSF that bundle with Glassfish 3.0.1

I am trying to find out what implementation version of JSF that bundle with Glassfish 3.0.1. Is it Mojarra 2.0.2 or 2.0.3
Here http://glassfish.java.net/downloads/3.0.1-final.html, it only tell me that it is JSF 2.0 but not sure what implementation is it.
I remember you can find out about that information by writing 1-2 simple line of codes, but I forgot. I am using Java-EE 6 BTW
It is 2.0.2. You can replace it with a download of 2.0.3 or even 2.1.0-RC (don't forget to clean the cache).
FacesContext.class.getPackage().getImplementationVersion();

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