Downgrade SonarQube from 6.2 to 6.1 - sonarqube

Can someone help me with some documentation on how to downgrade the SonarQube from Version 6.2 to Version 6.1 without loosing the existing analysis data?

The only way to downgrade properly is to start over from a DB backup that you (hopefully) made prior to the upgrade of SonarQube.

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Upgrading Magento version 2.4.3 to 2.4.4

As Magento's new version 2.4.4 is about to release. all developers are looking for the upgrading process from 2.4.3 to 2.4.4. what are the areas which we need to look into as developers?
what are the major changes happening? what if we are using third party applications and integrations in our Magento instance
The official upgrade guide can be found: https://experienceleague.adobe.com/docs/commerce-operations/upgrade-guide/implementation/perform-upgrade.html

I recently got on a new team and trying to setup the project requirements. How to upgrade existing maven version 3.1.1 to 3.3.9

I recently got on a new team and trying to setup the project requirements. Currently, I had Maven 3.1.1 on my system and I need Maven 3.3.9. If any one can tell me how to upgrade the version of maven, I would appreciate it. (I'm working on windows 10)
It's pretty simple - download maven from the official distribution archive
that is available at https://archive.apache.org/dist/maven/maven-3/3.3.9/binaries/. After that follow installation guide from maven documentation available at https://maven.apache.org/install.html.
Just remember that Maven 3.3.9 requires at least Java version 7.

most stable version of spring-framework

We are using spring 3.1 in our application and wants to upgrade latest version.Can somebody please confirm Which is the most stable version of spring-framework currently.
According to the Spring website, it is 4.3.9.RELEASE.
You can see the latest release versions that are available through Maven here:
https://mvnrepository.com/artifact/org.springframework/spring-core
This link also provides the latest release for every major version of Spring (the website seemed to only provide the latest release version of the latest major version).

Is Sonar JIRA plugin compatible with JIRA 6?

Is Sonar JIRA plugin compatible with JIRA 6?
I am unable to connect to JIRA from Sonar.
I am using JIRA on demand 6 and Sonar-JIRA plugin 1.1 on Sonar version 3.5.1
We made some tests with a JIRA 6.1.5 instance, and everything is OK.
Yes, we can also achieve the same integration with JIRA 6.4, Sonar 5.1 and Sonar-JIRA plugin 1.2.

Difficulty in uninstalling older phonegap versions

How do i uninstall an already existing version of phonegap(1.3,1.8) because i want to install the new 2.0 and it does'nt get installed without uninstalling older versions. The folder structure of my older version 1.8 does'nt have uninstall option.
Any suggestions are welcome.Thanks.
Cordova 2.0 onwards doesn't really have an 'installer' so you should be perfectly fine to leave your 1.3 if you like.
They only recommend uninstalling old versions if you are not going to use it so that the project template is removed from XCode. If you don't care about that you can leave the old version.
Just follow the upgrade steps from http://docs.phonegap.com/en/2.1.0/guide_upgrading_index.md.html#Upgrading%20Guides to start using 2.1 (which is now out and you should use)

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