How to fix a git configuration - github

I tried configuring git in a Ubuntu WSL and followed instructions to configure a global credential helper by setting a certain path to it. I followed the directions verbatim but then I got a lot of errors including that the exe credential manager core does not exist and that I need to use a personal access token instead. How do I set it up to stop using the corrupted credential manager core and how do I configure a token?

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Fetching packages works, but pushing results in access denied

I have set up a new nuget feed (company internal feed) and installing packages works without any isuues, but when I try to push a new version for a package, I get a 401 access denied.
What might be the problem?
Edit: To add some more context. I am using a MacOS machine, with a clear text password for the feed since encryption is not supported.
Solved by adding --valid-authentication-types basic in the source config.

Cannot make egit work with a server via ssh

Running the Mars version of Eclipse on Windows 10. I'm trying to clone a repository with this URL (domain name replaced with example.com):
ssh://git#git.example.com/opt/git/dnsconfig.git
Initially I had a lot of trouble trying to connect, because Eclipse did not have the server fingerprint in known_hosts, and had no way to accept the unknown fingerprint. I eventually figured out a way around that (copy the line from a Linux server's known_hosts file to the eclipse known_hosts on Windows). The public key matching the private key in eclipse has been added to the authorized_keys file on the server.
Now that I have solved the fingerprint problem, when I try the clone, I get to the Branch Selection screen and this is the error message at the top:
ssh://git#git.example.com/opt/git/dnsconfig.git: not found.:
ssh://git#git.example.com/opt/git/dnsconfig.git: not found.
If I go to a Linux machine and type the following command (this host is also set up with an ssh key in authorized_keys on the server), it works perfectly:
git clone ssh://git#git.example.com/opt/git/dnsconfig.git
I set up the server using this as a guide:
https://git-scm.com/book/en/v2/Git-on-the-Server-Setting-Up-the-Server
This is probably user error ... can anyone help me figure out what I've done wrong?
After I tried msysgit, the note from MichaƂ Grzejszcza talking about Putty led me to try one more thing.
I do use putty quite frequently, and I have a key that I keep loaded in pageant, which I use to log into personal accounts on several servers.
I was not using that personal key for eclipse, I wanted to use a completely separate key for git.
When I added the matching public key for my personal key to the git user's authorized_keys file on the git server, suddenly both eclipse and msysgit were working fine, which means that both of them are tied into putty. This was a little surprising for msysgit, since the info I have on msysgit says that it comes with and uses openssh.

Pushing to private nuget feed Prompts for Credentials

I have set up a private nuget feed using a empty web application and the nuget server package. It is all working, I can retrieve from the feed, and I can publish to the private feed using the Nuget Package Explorer.
But I cant publish via the command line - it prompts for credentials. I have set the ApiKey in the web application in the Appsettings, to a simple password, and I have tried adding the ApiKey to the push command. This Prompts me for a username and then a password.
I have also tried the SetApiKey command but I get the same behavior.
On the build server I am trying the same thing with the same results.
Here is the error messages from the build Log (identifying info x'd out)
nuget pack "C:\Builds\2\OE Phase II\Common\src\WebApi\Web.Http\Bxxxxxxxs.Web.Http.csproj" -IncludeReferencedProjects -Properties Configuration=Release
nuget SetApiKey Bxxxxxxx1 -Source http://tfs12.xxxxxxxrps.com/Nuget
nuget push *.nupkg -s http://tfs12.xxxxxxxrps.com/Nuget/
C:\Builds\2\OE Phase II\Common\bin\xxxxxxx.Web.Http.dll
1 File(s) copied
Attempting to build package from 'xxxxxxx.Web.Http.csproj'.
Packing files from 'C:\Builds\2\OE Phase II\Common\src\WebApi\Web.Http\bin\Release'.
Using 'xxxxxxxs.Web.Http.nuspec' for metadata.
Found packages.config. Using packages listed as dependencies
Successfully created package 'C:\Builds\2\OE Phase II\Common\bin\xxxxxxxs.Web.Http.1.0.0.0.nupkg'.
The API Key 'xxxxxxx' was saved for 'http://tfs12.xxxxxxxrps.com/Nuget'.
Pushing Bxxxxxxxrs.Data 1.0.0.0 to 'http://tfs12.xxxxxxxrps.com/Nuget/'...
Please provide credentials for: http://tfs12.xxxxxxxrps.com/Nuget/
Object reference not set to an instance of an object.
UserName: Password:
Found solution for Windows Server 2012 and Nuget.Server 2.8.5
Open IIS manager
find your "Nuget.Server" application
right click and select "Edit permissions"
go to "Security" tab
Add "write" permission for group "Everyone".
API key is for uploading/pushing packages. Looks like you have a http proxy enabled and you can set the username and password by calling nuget.exe config command.
Some example:
nuget config -Set HTTP_PROXY=http://*.*.. -Set HTTP_PROXY.USER=domain\user
nuget.config HTTP_PROXY
http://docs.nuget.org/docs/reference/command-line-reference
This worked for me: Site > Authentication > enable Windows Authentication (I only had anonymous by default) and push will use your domain account without user input.
I had this issue too and I knew it worked before, turns out I was using NuGet.exe 2.8.1 upgrading using
NuGet.exe update -self
took it to 2.8.3 and now works fine.
Also which version of NuGet.Server package did you use? NuGet already released 2.7.2 version of it.
Can you try and see if the null ref exception still reproes? Thanks.
You may find this SO answer helpful, as it covers how to configure credentials on a workstation and/or build server, which is required to push via a command-line to a server that requires authentication (e.g. private feed.)
An API key is not required to publish.

'cannot open git-upload-pack' error in Eclipse when cloning or pushing git repository

I am not able to clone or push to a git repository at Bitbucket in Eclipse:
It's weird, because a day before I didn't have any problem. I have downloaded the sts 3 times with no luck. This error keeps showing. Also I have installed SourceTree and it says 'This is not a valid source path / URL':
If I use git commands to import the project, it works, but I wan't to use EGit for this task, since I am a newbie with git.
I don't know if this has to do with it, but in the same directory I have the android-adt-bundle. This one works pretty well, but the project lies on GitHub and not Bitbucket. Also, I'm working with another person and he is able to fetch and push data from and to the Bitbucket repository. I have read lots of posts but none of them have helped me out.
I'm using Windows 7 btw.
Might also be bad SSL cert, fix the server
If you have a GIT server with an outdated or self-signed SSL cert fix the server, afterwards everything should run fine.
Insecure Hotfix: Let the client accept any certificate
The following solution is just a mere hotfix on client side and should be avoided as it compromises security of your credentials and content. There is a detailed explanation for this in "How can I make git accept a self signed certificate?" which offers more complex and more secure solutions you can try out if the following works in general.
In my case it was Eclipse using a different storage for the git config as the command line does and thus not having the option
git config http.sslVerify false
set (which I set using command line for the repo for working with invalid/untrusted SSL cert).
Adding the option insides Eclipse immediately resolves the issue. To add the option
open preferences via application menu Window => Preferences (or on OSX Eclipse => Settings).
Navigate to Team => Git => Configuration
click Add entry..., then put http.sslVerify in the key box and false in the value box.
Seems to be a valid solution for Eclipse 4.4 (Luna), 4.5.x (Mars) and 4.6.x (Neon) on different Operating systems.
It happens due to the following Reasons:
1) Firewall.
2) Network Issues.
3) Proxy Settings Mismatch
4) Connected through different Router - which is not authorized within the network.
5) Git Proxy Authentication Details
Finally I made it work thanks to the steps outlined in the Eclipse forum:
Set up the SSH key stuff
Download and install mysys git according to the github instructions at http://help.github.com/win-git-installation/
In C:/Users/you/ssh hide any existing keys (id_rsa and id_rsa.pub) in a subdirectory. If the ssh directory does not exist, create it. Of course, "you" is your username as the OS knows you.
From the start menu, run Git-Bash command shell (a regular DOS command shell will not work).
In the Git-Bash shell generate an rsa key based on your email (the one you registered at github):
ssh-keygen -t rsa -C "you#wherever.com"
and enter your pass phrase and confirm when asked.
The previous step should have created C:/User/you/ssh/id_rsa.pub which you can now open in a text editor and copy. At github, go to account settings, SSH Keys, add a key and paste this in the key box.
In Git-Bash again (notice the back-ticks in the next line):
eval `ssh-agent`
ssh-add C:/User/you/ssh/id_rsa
ssh git#github.com
Here is what you just did: You ran the ssh-agent which is needed by ssh-add. Then you used ssh-add to make note of the location of your key. Then you tried to ssh to GitHub. The response to this last command should be that you have successfully authenticated at GitHub but that you don't have shell access. This is just an authentication test. If the authentication was not successful, you'll have to sort that out. Try the verbose version:
ssh -v git#github.com
Assuming this worked....
In Eclipse, configure the remote push
Window > Show View > Git > Git Repositories will add a repository explorer window.
In the repository window, select the repository and expand and right-click Remotes and choose Create Remote.
Copy the GitHub repository URI from the GitHub repository page and paste it in the URI box.
Select ssh as the protocol but then go back to the URI box and add "git+" at the beginning so it looks like this:
git+ssh://git#github.com/UserName/ProjectName.git
In the Repository Path box, remove the leading slash
Hit Next and cross your fingers. If your get "auth fail", restart Eclipse and try step 5 again.
When you get past the authentication, in the next dialog select "master" for source ref, click "Add all branches spec" and "Finish".
Instead of using SSH git#github.com I did it with SSH git#bitbucket.org.
Now I can push and import without any problem.
After struggling for a couple of hours, I found that git config file was not updated when I added the entry sslVerify = false in my Eclipse.
I solved my problem by navigating to my .git directory and updating the config file to :
[http]
sslVerify = false
I added -Dhttps.protocols=TLSv1.1,TLSv1.2 to eclipse.ini and it's working.
I use java 1.7
I had exactly the same issue with eclipse 2020-12. In Preferences->Git I changed "Http Client" to "Java built-in HTTP" and the issue is resolved.
One cause of this is having Fiddler2 configured to decrypt HTTPS traffic. Close Fiddler2 and it should work fine.
This issue can be caused when you have a local firewall which is preventing your application from being able to send any network traffic away from your machine. I.e. Outbound traffic or egress traffic rules.
Please try disabling your firewall for a quick test to see if this fixes your issue. If it does then setup the appropriate firewall policy for the application you are trying to use to push or pull to a git repository.
Recently I got same problem with existing repository.when I try to fetch from upstream not able Fetched object and got problems eclipse: cannot open git-upload-pack.
for me following solution work after adding TLS version in eclipse.ini file
Dhttps.protocols=TLSv1.1,TLSv1.2
For java7 need to add TLSv1.1 and for java8 need to TLSv1.2
Note: Need to restart eclipse once above configuration added.
In my case, it turned out that global proxy settings in "Preferences->Network connections" were interfering with git. Which is kind of confusing, because git has dedicated property for proxy configuration. Anyway, I've added repository host to "Proxy bypass" list and the problem was gone.
I faced "git-upload-pack not permitted" error in STS4 while fetching Bitbucket repository. I struggled for many many hours only to realize we need to use password generated with "Create app password" in Bitbucket (and not our own set password)
URL to generate password: https://bitbucket.org/account/settings/app-passwords/new
Use this password in "Clone a Git repository" in STS4
I just got this same error, "cannot open git-upload-pack", in Eclipse with a BitBucket repo trying to do a pull or a push.
I resolved it by switching local branches (Team/Switch To) to the master branch and doing a pull, and then switching back to the branch I was working on and pulling again.
I'm using Eclipse Kepler SR2 on Ubuntu 12.04LTS and was trying to access an internal GitHub using HTTPS.
Unfortunately, my underlying JVM with which Eclipse was started experienced problems with the self-signed certificate of the server. Switching to a different JVM for Eclipse got the HTTPS connection to our GitHub working.
Create a simple Eclipse starter that uses a different JDK, e.g. with OpenJDK:
/Eclipse_Kepler_4.4.2/eclipse -vm /usr/lib/jvm/java-6-openjdk-i386/jre/bin
I got the similar problem. I just followed the below steps
1. Team > Remote > Configure Fetch from upstream...
2. Provide the https: bit bucket uri then Save and Fetch.
3. Reset the latest commit in your project. Team > Reset > Select the latest commit from remote folder
4. Then synchronize the workspace. Team > Synchronize (in synchronize perspective)
5. Right click on project and overwrite the local copy.
6. Click on Pull icon.
The Solution to this in Eclipse Mars 4.5.2:
Window -> Preferences -> Team -> Git -> Repository Settings -> AddEntry
Key: http.sslVerify
Value: false
For those who still have this problem, and none of the above solutions worked for you:
Update your versions of java and Eclipse.
In my case, I updated from java 7 to java 9, and Eclipse Mars to Eclipse Oxygen, and this problem was solved !!!
Add https.sslVerify as false...when you use https connection for importing from git
I had a similar problem and a quick fix to your issue is to make sure that you set your JVM option in the eclipse.ini file to use jre7. Older Jre's come with an old local policy file and this will return errors. One quick note also is that you need to point to your javaw not java.
-vm
c:\PROGRA~2\Java\jre745\bin\javaw.exe
-vmargs
-Xms40m
-Xmx512m
-XX:MaxPermSize=256m
-Dsun.lang.ClassLoader.allowArraySyntax=true
I had my proxy settings set up in Eclipse and wasn't connected via ssh, which was causing the error.
i've tried all those methods but it didn't work then a workmate told me that Putty Key Generator used to generate keys with 1024 bits but now Putty generate 2048 bits keys by default , so you just need to change the "Number of bits in a generated key" and it should work.
The problem can also be caused by wrong system time (by a couple of years), making the Git's certificate invalid.
I just changed the Network settings from Native to Manual, restart and the error is gone.
I'm using RAD 8.0.4.3 with and old version of EGit connected to TFS/Git. ;-)
I got this error message because I had a different user than what the repo expected in my git config.
This would obviously trigger the SSL Cert failures mentioned above.
Fixing to the correct user resolved this issue for me.
to fix SSL issue you can also try doing this.
Download the NetworkSolutionsDVServerCA2.crt from the bitbucket server and add it to the ca-bundle.crt
ca-bundle.crt needs to be copied from the git install directory and copied to your home directory
cp -r git/mingw64/ssl/certs/ca-bundle.crt ~/
then do this. this worked for me
cat NetworkSolutionsDVServerCA2.crt >> ca-bundle.crt
git config --global http.sslCAInfo ~/ca-bundle.crt
git config --global http.sslverify true
I finally solved this issue by disabling IPv6 on the network configuration
Screenshot of my network configuration
Note that I use a VPN connection. If you do too, you must restart it.
I'm pretty sure that it will work even if you don't use a VPN.
The repository owner should give you a contributor permission:
For the Eclipse running on IBM JDK the following 2 lines are mandatory in eclipse.ini after -vmargs:
-Dhttps.protocols=TLSv1.1,TLSv1.2
-Dcom.ibm.jsse2.overrideDefaultTLS=true
i've had the same issue on Spring Tool Suite (STS) and turns out, all i had to do was update my proxy settings in STS network config.
window > preferences > General > Network Connections and on the dropdown select "Manual" from "Native".
Here, just add your proxy url, port and your credentials for http and https by clicking on edit.
Apply and close.
Hope it works for you.
I got this error and after some research found that we need to create an access token in github and use it instead of the password which we have been using till now while git push and pull.
Github developer blog explaining the password deprecation: https://developer.github.com/changes/2020-02-14-deprecating-password-auth/
I have documented the steps here - you may try it out and see if it works for you.
https://webfuse.in/blogs/issues-troubleshooting/git-upload-pack-not-permitted-on-error-while-git-pull-and-git-push/
Thanks. This looks like an evergreen Question as I am answering after 7 years along with other valid answers!! :)
I had the same error. The error occurred suddenly while working. In my case it looked like an account problem or server side problem.
I sign out and signed in again in Bitbucket repository from web browser and this solved my problem.

NuGet is returning 503 Server Unavailable

Is there a way to load a package from an alternative server when Visual Studio Package Manager (NuGet) is responding with a "The remote server returned an error: (503) Server Unavailable" message?
This is an obscure condition that will likely only occur on an "enterprisy" network environment. If these conditions apply you:
you are required to access the Internet via an HTTP proxy server
the HTTP proxy server requires a valid user ID & password (or AD authentication) to allow requests to proceed
you've been messing with cool developer tools that were ported to Windows from a Linux/Unix environment
the new cool tool(s) work after adding the HTTP_PROXY (or possibly HTTPS_PROXY or both) environment variable(s)
you can access the NuGet servers from a browser without getting a 503 error
Then it's likely you broke NuGet by inadvertently invoking this configuration feature. I'm not sure exactly how the environment variable breaks NuGet but I suspect NuGet is detecting & using the http_proxy URL but sending an empty user ID & password which causes the HTTP proxy to reject the request.
Fix: remove the environment variable(s) you added and see if the cool tool can be configured to use an HTTP proxy without them.
Update: Ran into a version of this issue with the NuGet config file referenced in the "this configuration feature" link above. Open this file:
%appdata%\nuget\nuget.config
in your favorite editor. If it contains elements with http_proxy or https_proxy then removing these elements may fix the issue too.
PS: Hopefully I'll get an up vote from Colonel Panic :-)
If you have used the package in the past it is probably in your cache. You can add the local cache as an available package source by going into the Library Package Manager Settings under the Tools menu in Visual Studio. For Visual Studio 2012, choose Tools, Library Package Manager, Package Manager Settings, and then click on Package Sources.
In the Available package sources section, type a name like "Cache" and then in for the source, browse to %LocalAppData%\NuGet\Cache. You may need to use Windows Explorer to translate %LocalAppData%\NuGet\Cache into the full path (usually C:\Users\YourAccountName\AppData\Local\NuGet\Cache).
Once you have the Cache as an available source, you can now use the Package Manager Console (found under the View menu under Other Windows or also under the Tools menu under Library Package Manager).
From the Console (which is a PowerShell window with commandlets for NuGet) you can type "get-help NuGet" to see available commands.
Then using Get-Package, you can get a list of Package ID's. Make sure the "Package source" is set to "Cache" (or whatever you called it) and the Default project is set to the project you need manipulate, both of these are dropdowns located at the top of the Page Manager Console. You can also use the Get-Project to verify you are working against the correct project in your solution.
Finally, you can type Install-Package and when prompted enter the Package ID from the output of the Get-Package commandlet.
i had also this problem, it was becouse of my network.
if you have any blocking on your Internet, (like in companies internet or etc..)
you may not allowed to download the nuget package.
try to download the package in another network, maybe it can help you!
Talbott's answer did not work for me, as my cache was empty. However, if you have used the package in another solution, you can copy the items you want from the "packages" folder in the other solution to a packages folder in your target solution.
If you have no packages installed in the target solution, you may need to add the following to a repositories.xml file in the packages folder:
<?xml version="1.0" encoding="utf-8"?>
<repositories>
</repositories>
After doing that, the packages appeared to be installed in my solution and I was able to add them to projects.
Additional Note: I had to use the "Manage NuGet Packages for Solution" option at the solution level to add the package to individual projects. Using Install-Package from the console still returns a 503 even though the packages is already installed in the solution.
You can also get this error if you are using a VPN client (e.g. Cisco AnyConnect) and you have recently renewed your VPN certificate. The issue can occur after you have updated your certificate, but before you have rebooted. A reboot resolves the issue.
It is a pretty old question, but I have just encountered the same problem. In my case it occurred because I had more than one nuget package source configured in the Visual Studio Package Manager. In my company we use NuGet to get mainstream packages and MyGet for our own stuff.
When I attempted to pull a pretty big package it failed with a 503 code and the error link looked pretty odd, it had MyGet in it istead of NuGet. Turns out Visual Studio package manager tried to pull it from another source despite having NuGet chosen as a current source. Disabling other sources and then proceeding with a download fixed it.
Hopefully it will help somebody who stumbled upon this thread just like I did.
Another possible reason for recieving 503: If you're using Azure DevOps feed, then NuGet packages are limited to 500 MB.