I am getting error while trying to update my existing eclipse IDE. Would like to prevent a complete unistall the reinstall - eclipse

I was trying to update my existing eclipse IDE by using the check updates option. But I got the following error while trying to install the updates. For some reasons I would really like to avoid uninstalling current IDE and then re-installing the new one. The error log is as follows:
An error occurred while collecting items to be installed
session context was:(profile=C__Users_User_eclipse_java-2021-06_eclipse, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
Result of processing steps.
OK
OK
OK
Public key not found for 8074478291308066379.
OK
Result of processing steps.
OK
OK
OK
Public key not found for 8074478291308066379.
OK
No repository found containing: osgi.bundle,org.apache.lucene.analyzers-common,8.4.1.v20221112-0806
No repository found containing: osgi.bundle,org.apache.sshd.osgi,2.9.2.v20221117-1942
Result of processing steps.
OK
OK
OK
Public key not found for 8074478291308066379.
OK
Result of processing steps.
OK
OK
OK
Public key not found for 8074478291308066379.
OK
Result of processing steps.
OK
OK
OK
Public key not found for 8074478291308066379.
OK
Result of processing steps.
OK
OK
OK
Public key not found for 8074478291308066379.
OK
Result of processing steps.
OK
OK
OK
Public key not found for 8074478291308066379.
OK
Result of processing steps.
OK
OK
OK
Public key not found for 8074478291308066379.
OK
I was trying to update my existing eclipse IDE by using the check updates option. But I got an error while trying to install the updates.

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GNS3 Error while deleting project Internal server error

Error while deleting project: Internal server error http://localhost:3080/v2/compute/projects/b43390b8-f92a-41b6-ad82-1ab7e907f8db/cloud/nodes
I did a few time repeately delete and install GNS3 Although I can't solve this problem ... somebody have the solution or answer ~~~~? ;(

There was an error running the selected code generator: while creating a scaffolded item

Iam trying to add a Scaffolded item but i got an error.
It took me alot of time searching for this error, but actually i couldn't find a way out.
I tried deleting Cache, rebuild project but none of these worked.
The error is :
There was an error running the selected code generator: Method 'getInfo' in type 'MySql.Data.EntityFrameworkCore.Infraestructure.MySQLOptionsExtension' from assembly 'MySql.Data.EntityFrameworkCore, Version =8.0.19.0, Culture=neutral doesn't have an implementation .
Here is the controller item i tried to add ''Click Here''
Project Packages ''Click Here''
After a long search i found that these packages are compatible with each other.

System.MissingMethodException Method not found: 'NUnit.Framework.Interfaces No tests found

I have just installed NUnit v3.5.0 and when I try to run existing tests I get the error below:
System.MissingMethodException
Method not found: 'NUnit.Framework.Interfaces.ITest NUnit.Framework.Api.NUnitTestAssemblyRunner.Load(System.Reflection.Assembly, System.Collections.IDictionary)'.
No tests found.
any ideas more than welcome!! :)
just found the problem, I was missing an extension, you need to install "NUnit 3 Test Adapter", by going to tools>>Extensions and Updates >> Online >> Search for : "NUnit 3 Test Adapter"

Running GWT SuperDevMode in IDEA on Win8

I am trying to configure my GWT project to run in SuperDevMode and experience severe problem during server run time.
So, I have working "regular" devMode configuration in Intellij IDEA. Created a new GWT configuration in app-servers list. Set the following values:
[Checked] Super Dev Mode
VM options: -Xmx512m -XX:MaxPermSize=384M
Dev Mode parameters: -bindAddress 0.0.0.0 -port 1234 -workDir d:\projects\myApp\SDV\ -src d:\projects\myApp\src\main\java com.app.MyApp
Made changes to my project's build xml file adding the lines in the end of file:
<add-linker name="xsiframe"/>
<set-configuration-property name="devModeRedirectEnabled" value="true"/>
<!-- enable source maps -->
<set-property name="compiler.useSourceMaps" value="true" />
Here is the console output on this config run:
workDir: d:\projects\myApp\SDV
deleting: d:\projects\myApp\SDV\com.app.MyApp\compile-1
binding: user.agent=safari
binding: compiler.useSourceMaps=true
binding: locale=en
Compiling module com.app.MyApp
Compiling 1 permutation
Compiling permutation 0...
Source Maps Enabled
Compile of permutations succeeded
Linking into d:\projects\myApp\SDV\com.app.MyApp\compile-1\war\myapp; Writing extras to d:\projects\myApp\SDV\com.app.MyApp\compile-1\extras\myapp
Link succeeded
Compilation succeeded -- 84.458s
Compile completed in 85210 ms
deleting: d:\projects\myApp\SDV\com.app.MyApp\compile-1
[ERROR] unable to create directory: d:\projects\myApp\SDV\com.app.MyApp\compile-1
com.google.gwt.core.ext.UnableToCompleteException: (see previous log entries)
at com.google.gwt.dev.codeserver.CompileDir.mkdir(CompileDir.java:103)
at com.google.gwt.dev.codeserver.CompileDir.create(CompileDir.java:93)
at com.google.gwt.dev.codeserver.Recompiler.makeCompileDir(Recompiler.java:267)
at com.google.gwt.dev.codeserver.Recompiler.compile(Recompiler.java:82)
....
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Process finished with exit code 1
I suspect it maybe Win8 file access permissions problem: cannot create the directory because it wasn't deleted successfully. Both lines in the log above that have this text:
deleting: d:\projects\myApp\SDV\com.app.MyApp\compile-1
are of red color in IDEA (if that has any special meaning).
I unchecked READ_ONLY checkbox in the properties of for the work folder in file explorer, and also run idea64.exe as Admin. Should I somehow run this codeserver compiler "as admin" too? Is it possible?
Also it may be a configuration issue, if it is and somebody can see it from the details below - I would really appreciate the help. Thanks in advance!
UPDATE
Running the superDevMode config with parameter "-noprecompile" gives the same results:
workDir: d:\projects\myApp\sdv
deleting: d:\projects\myApp\sdv\com.app.MyApp\compile-1
Module setup completed in 865 ms
deleting: d:\projects\myApp\sdv\com.app.MyApp\compile-1
[ERROR] unable to create directory: d:\projects\myApp\sdv\com.app.MyApp\compile-1
com.google.gwt.core.ext.UnableToCompleteException: (see previous log entries)
at com.google.gwt.dev.codeserver.CompileDir.mkdir(CompileDir.java:103)
at com.google.gwt.dev.codeserver.CompileDir.create(CompileDir.java:93)
at com.google.gwt.dev.codeserver.Recompiler.makeCompileDir(Recompiler.java:267)
So, definitely looks like file access problem (delete doesn't do its job?). Javadoc to CompileDir.create() method says: "Creates a new compileDir directory structure. The directory must not already exist, but its parent should exist." Seems that it already exists.
I think your configuration is correct. I am using the same parameters (with another portnumber) on my Mac and it works as expected.
The red color of the text:
deleting: d:\projects\myApp\SDV\com.app.MyApp\compile-1
is normal and indicates no problem.
I am not familiar with Windows 8, but would think, that you don't need to run idea.exe with admin rights. I think, uncheck the read-only checkbox should solve your problems.
Another way should be, that you create your workDir directory with Intellij.
File -> New -> directory
(That's what I did).
Ok, so this is fixed now in GWT 2.7.0 by GWT team.
https://code.google.com/p/google-web-toolkit/issues/detail?id=8619
Runs well, even though I can notice the message in the IDE console:
[WARN] unable to delete 'C:\Users\me\AppData\Local\Temp\gwt-codeserver-1341369077945982663.tmp\com.bla.MyAPP\compile-1' (skipped)
[ERROR] unable to create directory: C:\Users\me\AppData\Local\Temp\gwt-codeserver-1341369077945982663.tmp\com.bla.MyAPP\compile-1
Loading Java files in com.bla.MyAPP.
after printing this the IDE continues to run the app server.
Resolving the issue.
I also found that if you are converting your project from GWT 2.6.0 to 2.7.0, you should delete your 2.6.0 run configuration and setup a new one with GWT 2.7.0 defaults.

How to use the plugin sfTCPDFPlugin?

I work with symfony 1.4, and I want to use the plugin sf sfTCPDFPlugin.
I followed step by step all the instructions, I read the question “How to generate PDF using sfTCPDFPlugin in symfony 1.4?” and answers, but when I try to generate a PDF file, I get the following error:
The server returned a "500 Internal Server Error".
In detail, I have done the following:
I installed PEAR - PHP Extension, and run OK.
I installed
successfully the plugin sfTCPDFPlugin
I downloaded and installed
the "TCPDF library"
$ symfony plugin:publish-assets
$ symfony cc
Copy the /plugins/sfTCPDFPlugin/config/pdf_configs.yml into the config folder of your application
Now I try to test the plugin, but when I want to run the function "test" that is included in the plugin, I get the following error:
The server returned a "500 Internal Server Error":
PHP Fatal error: Class 'TCPDF' not found in D:\proyectos\conflictosnew\plugins\sfTCPDFPlugin\lib\sfTCPDF.class.php on line 14
I use Wampsever under Windows XP
Any idea what could be happening?
I have found an error! The link contained in: "Download the TCPDF library" at: http://www.symfony-project.org/plugins/sfTCPDFPlugin, is incorrect, because download fonts only, not the complete library
In the following link you can find the complete library TCPDF:
http://sourceforge.net/projects/tcpdf/files/