Does the problem persist? It might have been that you hit that when we were rebooting various servers the other day.

Yes, the problem persists, I just retried it a few hours ago.

The same goes for my job http://jenkins.cloud.fedoraproject.org/job/DNF/933.
The workaround works.

Have all the failures been on the f20 builder?

I think I have a fix in place if so... can you try https again and see if it works now?

Yes, both javapackages and xmvn use f20 builder. I tried to switch back to https, but it still fails with same stacktrace.

I just applied some updates, can you see if the problem persists and if the trace is the same?

Unfortunately still the same:

Started by user Michal Srb[[BR]]
Building remotely on Fedora20 in workspace /mnt/jenkins/workspace/javapackages-tools[[BR]]
Fetching changes from the remote Git repository[[BR]]
Fetching upstream changes from https://git.fedorahosted.org/git/javapackages.git [[BR]]
FATAL: Failed to fetch from https://git.fedorahosted.org/git/javapackages.git [[BR]]
hudson.plugins.git.GitException: Failed to fetch from https://git.fedorahosted.org/git/javapackages.git
at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:623)
at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:855)
at hudson.plugins.git.GitSCM.checkout(GitSCM.java:880)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1320)
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:609)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:518)
at hudson.model.Run.execute(Run.java:1700)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:231)
Caused by: hudson.plugins.git.GitException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.checkCredentials(CliGitAPIImpl.java:1933)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1123)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$200(CliGitAPIImpl.java:87)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:254)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:153)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:146)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:328)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)

ok,made another adjustment. Try again and let me know if it works or if the errors are different?

The same :(, http://jenkins.cloud.fedoraproject.org/job/DNF/992/console:

{{{
Started by user Radek Holy
Building remotely on Fedora20 in workspace /mnt/jenkins/workspace/DNF
Fetching changes from the remote Git repository
Fetching upstream changes from https://github.com/rholy/dnf-ci.git
FATAL: Failed to fetch from https://github.com/rholy/dnf-ci.git
hudson.plugins.git.GitException: Failed to fetch from https://github.com/rholy/dnf-ci.git
at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:623)
at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:855)
at hudson.plugins.git.GitSCM.checkout(GitSCM.java:880)
at org.jenkinsci.plugins.multiplescms.MultiSCM.checkout(MultiSCM.java:118)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1320)
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:609)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:518)
at hudson.model.Run.execute(Run.java:1700)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:231)
Caused by: hudson.plugins.git.GitException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.checkCredentials(CliGitAPIImpl.java:1933)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1123)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$200(CliGitAPIImpl.java:87)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:254)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:153)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:146)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:328)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
}}}

I think we now finally have this solved.

Can you try again and confirm?

Unfortunately still the same exception:

{{{
Started by user Michal Srb
Building remotely on Fedora20 in workspace /mnt/jenkins/javapackages-tools-ws2

git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
git config remote.origin.url https://git.fedorahosted.org/git/javapackages.git # timeout=10
Fetching upstream changes from https://git.fedorahosted.org/git/javapackages.git
git --version # timeout=10
FATAL: Failed to fetch from https://git.fedorahosted.org/git/javapackages.git
hudson.plugins.git.GitException: Failed to fetch from https://git.fedorahosted.org/git/javapackages.git
at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:627)
at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:865)
at hudson.plugins.git.GitSCM.checkout(GitSCM.java:890)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1253)
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:622)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:528)
at hudson.model.Run.execute(Run.java:1754)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:89)
at hudson.model.Executor.run(Executor.java:240)
Caused by: hudson.plugins.git.GitException: java.lang.RuntimeException: Could not generate DH keypair
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.checkCredentials(CliGitAPIImpl.java:2198)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1152)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$200(CliGitAPIImpl.java:87)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:266)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:153)
at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:146)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:328)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
}}}

Actually no, sorry, the exception is different now. Previously it was:
{{{
"hudson.plugins.git.GitException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty"
}}}
But now it is:

{{{
"hudson.plugins.git.GitException: java.lang.RuntimeException: Could not generate DH keypair"
}}}

I fixed it by using a git:// url instead of the http:// one

It still fails but now because of your script :)

Let us know if you need anything else.

Works for me now, thanks!

{{{

git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
git config remote.origin.url git://github.com/rholy/dnf-ci.git # timeout=10
Fetching upstream changes from git://github.com/rholy/dnf-ci.git
git --version # timeout=10
git fetch --tags --progress git://github.com/rholy/dnf-ci.git +refs/heads/:refs/remotes/origin/
git rev-parse refs/remotes/origin/master^{commit} # timeout=10
git rev-parse refs/remotes/origin/origin/master^{commit} # timeout=10
Checking out Revision 1e04de8544ccd3cc650d5fd86130dec1a5e0fbb5 (refs/remotes/origin/master)
git config core.sparsecheckout # timeout=10
git checkout -f 1e04de8544ccd3cc650d5fd86130dec1a5e0fbb5
First time build. Skipping changelog.
}}}