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issue while installing FindBugs in NetBeans 8-2 [duplicate]

I am getting below error while installing Findbugs into Netbeans 8.2:
"There were some problems while storing Establishing a connection …
Cause: Cannot resolve external reference to m2:/org:ow2:asm:asm-debug-all:5.0.2:jar"
I have tried uninstalling NetBeans 8.2 and removing anything associated with the installation to get a fresh install with no success there, and I have tried the latest version of NetBeans 11.3 which I found does not have Findbugs available. I need the plugin for a school project and no one there has been able to help me with this issue either. Any help would be greatly appreciated.
I am using a Windows 10 PC.
Thank you.

The reason of the error
The error happens because when you download the plugin, NetBeans also tries to download additional dependencies. The links where to download the jars from are written inside the nbm package.
For example, one of the dependencies is asm-debug-all-5.0.2.jar, and the link is:
http://repo1.maven.org/maven2/org/ow2/asm/asm-debug-all/5.0.2/asm-debug-all-5.0.2.jar.
The maven repository is no longer accessible using the HTTP link. You can read more about it here.
So basically, you could not install the plugin because the plugin is outdated and contains invalid links for downloading dependencies from maven repo.
Before solving the issue, consider using SpotBug instead because the FindBug is outdated and is no longer actively maintained, for more information, please, see here in another answer. Also, keep in mind that it works only with JDK8.
How to solve it?
To solve the issue, you need to fiddle around a bit with plugins.
You need two plugins FindBug Libs (org-netbeans-libs-findbugs.nbm) and FindBug Integration (org-netbeans-modules-findbugs.nbm). Download them using thees links:
https://updates.netbeans.org/netbeans/updates/8.2/uc/final/certified/82/extra/org-netbeans-modules-findbugs.nbm
https://updates.netbeans.org/netbeans/updates/8.2/uc/final/certified/82/extra/org-netbeans-libs-findbugs.nbm
Unzip org-netbeans-libs-findbugs.nbm manually as if it is a simple zip file.
Edit the files in org-netbeans-libs-findbugs\netbeans\modules\ext extracted folder. In every file, you need to change the link from http to https.
Edit manifest file org-netbeans-libs-findbugs\META-INF\MANIFEST.MF. You need to remove all lines that contain CRS checksum. After editing it should contains only these lines:
Manifest-Version: 1.0
Ant-Version: Apache Ant 1.9.2
Created-By: 1.8.0_45-b14 (Oracle Corporation)
Remover other two files in org-netbeans-libs-findbugs\META-INF (ORACLE_C.RSA and ORACLE_C.SF).
Zip it again.
After that, the file is ready for manually installing into Net Beans. Alternatively, you can download the file from here. I have already modified the plugin using the steps.
How to install and use it?
Got to Windows -> Plugins -> Downloaded -> Add Plugins
Manually add the modified org-netbeans-libs-findbugs.nbm file and click install.
Then add org-netbeans-modules-findbugs.nbm and click install.
When installing, it shows that it downloads the plugin, but actually, it downloads only dependencies. It can take some time.
After that, select your project in the project tree, make sure it was compiled before. Got to Source -> Inspect, choose FindBus in the Configuration.
After you click to inspect your report will be ready.
It works both on NetBeans 11.3 and 8.2. Make sure you are using JDK8 with NetBeans. I'm not sure it will work with the newest versions of JDK.
Here is an example with running it on 11.3 using JDK8 on some NetBeans module:

Why I can't remove this Eclipse plugin after failed installation?

I am using Eclipse Mars and I have the following problem.
After the installation of a plugin, the Adoe Flash Builder plugin, it is a plugin that is installed outside Eclipse (executing an installer and selecting the Eclipse folder) I have some problem.
The plugin installation failed (because this plugin is supported only on the 32 bit version of Eclipse). So the plugin was not completly installed.
When I start Eclipse I obtain a lot of error messages caused by this failed installation and it is impossible to me work.
So I have tried to disinstall this plugin but it doesn't give me the possibility to uninstall it (the Uninstall button is disabled).
Here the screenshot where you can see that, selecting the plugin that I want to uninstall, the Uninstall button is disabled:
Why? Can I manually delete this plugin in some way? (I have not directory related to it into my Eclipse folder). It seems that in some way Eclipse have the information of this plugin but that this is not effectively present. How can I remove it? Or is faster reinstall and configure again my environment (Eclipse + SVN plugin + project configuration)

I have tried sometimes to get rid of "messed up" eclipse configurations.
In the end, it just didn't work out. I always ended up throwing away everything.
Besides: Eclipse Neon R2a was released already; so just download that and say goodbye to Mars.
And the real answer (in my opinionated eyes): I decided at some point to enable myself to install eclipse "from scratch" as quickly as possible (for example by having automation where possible; and "checklists" to follow where manual interaction is required). Simply because "installing from scratch" helps avoiding a lot of problems over time.
And while we are talking about eclipse best practices: if your OS is Linux, consider to switch to git-svn instead of SVN. Your machine still talks SVN to the remote SVN server, but you can enjoy the full beauty of git locally. No more SVN plugins, no more hours of waiting for that SVN plugin doing refresh ... I can't tell you how much time that simply change saved for me.

Eclipse plugin not working properly

I developed an Eclipse plugin that compiles and runs java code in German. The technique I am using is that I translate the code to English and pass it to Java Compiler and get the results back and print it in the console.
The problem is that the plugin works when I run the plugin from Inside Eclipse but when I install the plugin in Eclipse so that when I open Eclipse it already exists there and start to test if a real user uses my plugin and creates a new Java project and try to the compile button in my plugin it says [The chosen operation is not currently available] ![Here is the the way I run and it opens a new Eclipse application with the installed plugin ]
Any help please

the way you installed your plugin sounds a little weird to me. So at first please try to export your plugin via the Export Wizard.
(Select Export -> Deployable plugins and features from your projects context menu)
Export your project as jar file and copy it to the 'plugin' folder of your eclipse instance.
After that it might be helpful to debug your plugin on OSGI-Level as there might be a problem loading your plugin (at least the error description you have posted indicates that).
Run eclipse with -console -noExit -consoleLog flags to open an OSGI console for debugging. After that try running ss <your-plugin-name> to see what the state of your plugin is.
The output gives you the ID of your plugin and the state it currently has. If the state of your plugin is not ACTIVE try running start <your-plugin-id> to see whether it starts correctly. If there is a problem starting your plugin you should get a respective log message. Feel free to post it here in case you need further help.
Otherwise there are plenty of options what might cause your problems, so maybe its better to try the steps I have described above before getting into details.

If you want to run eclipse plug-in withput using Eclipse Application , then you need to make a Feature project.
Now if your algorithm has something to do with system Path , you must
check Unpack plug-in and you should read the resource accordingly.
Like PLatformUI.getWorkBC() etc..
No other eclipse plug-in (jar) should be inside plugins directory of eclipse of same name of your plug-in. Ensure for this.

not able to find svn options in eclipse?

I have imported a maven project. i did some modifications and need to check in. i have subclipse installed in my eclipse. but when i right click on the project, i could not find the options like commit, synchronize with repository..etc..
i am seeing only two options on right cliking on the project. they are :
Team ----> **apply patch** and **share project**
if i select share project, i am getting below error:
svn: The path 'D:\myproject_space' appears to be part of a Subversion 1.7 or greater
working copy. Please upgrade your Subversion client to use this
working copy.
How can i get the other features?
Thanks!

To use SVN 1.7 you will need to install Subclipse 1.8 by adding the following to your list of Update Sites: http://subclipse.tigris.org/update_1.8.x

To support Subversion 1.7 and corresponding working copy format you need to install Subclipse 1.8.x. See Downloads tab on Subclipse web site.

How to properly setup a maven project in Eclipse/IntelliJ

I'm struggling a bit, trying to properly setup my maven projects in an IDE.
I don't particularly care between Eclipse and IntelliJ, but it seems that IntelliJ handles much better when it comes to import my projects, so I think I will stick with this one.
I'm having other problems now when trying to run the install goal through IntelliJ.
The first error :
The svn command failed. Command output: 'svn' is not recognized as
an internal or external command, operable
program or batch file.
How do I configure IntelliJ in order to let him see svn ? This error sounds weird to me, as I have installed Subversion as my Version Control System in IntelliJ.
Also, and this is related, I have a setenv.cmd that I usually run from the commandLine before calling mvn install. It only sets some variable like :
PROJECT_HOME=d:\Project\xxx\xxx\Trunk
PROJECT_VERSION=0.4.3-SNAPSHOT
M2_HOME=d:\Java\apache-maven-2.0.11
JAVA_HOME=d:\Java\jdk1.5.0_11
PYTHON_HOME=d:\Python26
XOOOF_HOME=d:\Project\xxx\xxx\XOOOF-BIN-1.0.3
XOOOF_URL=file:///d:/Project/xxx/xxx/XOOOF-BIN-1.0.3
SVNCLIENT_HOME=d:\Java\svn-win32-1.6.3
CATALINA_HOME=d:\Java\apache-tomcat
PATH=C:\WINDOWS;C:\WINDOWS\system32
How could I improve this step, and find a way to make it work from my IDE ?
Thanks !

If you want to do maven builds in eclipse I would strongly suggest installing m2eclipse by Sonatype.
It has an excellent reference on how to use it -> http://www.sonatype.com/books/m2eclipse-book/reference/

Regarding the first error it seems to be not Idea fault. AFAIK Idea doesn't need/use external SVN binaries. What happens when you click "9: Changes" tab at the bottom in Idea? If you make your project/module as managed by SVN there should be Repository subtab.
You run Maven from Idea to perform install goal and that error seems to come from it. Do you use SCM/SVN plugin in pom.xml? If yes or you would like to have an ability to run SVN from command line add directory with svn.exe (d:\Java\svn-win32-1.6.3? d:\Java\svn-win32-1.6.3\bin?) to PATH (not only to SVNCLIENT_HOME). After that operation svn command from new "run window" should be recognized.