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Re: [cbi-dev] Maven Central connection resets
  • From: Christoph Daniel Schulze <cds@xxxxxxxxxxxxxxxxxxxxxx>
  • Date: Mon, 30 Jul 2018 11:21:00 +0200
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Hi Ed,

according to [1] the proxy doesn't seem to be necessary anymore.

I've been running the cat command as well. Indeed, the mirror is defined
in our settings file as well, but the Jenkins settings specify a
different settings file in order for us to be able to publish Maven
artifacts to the Sonatype servers. I'll check with the administrators
whether this setting causes ~/.m2/settings.xml to not be loaded.

Cheers,
 Chris

[1] https://wiki.eclipse.org/Jenkins#Proxies

On 30.07.18 11:09, Ed Willink wrote:
> Hi
> 
> I just tried the cat ${HOME}/.m2/settings.xml on the OCL HIPP and it
> differs from David's result:
> 
> +2 additonal server declarations
> =1 same mirror declation
> -1 proxy declaration
> 
> Perhaps the missing proxy is a concern.
> 
>     Regards
> 
>         Ed Willink
> 
> 
> On 30/07/2018 09:19, Christoph Daniel Schulze wrote:
>> Hi Ed,
>>
>> well, it's out nightly build, I don't really want to try it later. Also,
>> as it is now, it fails 100% of the time.
>>
>> I just stumbled upon bug 492412 [1], which is about a mirror of Maven
>> Central. Should that mirror be used by default? Because that does not
>> seem to be the case in our build.
>>
>> Cheers,
>>  Chris
>>
>> [1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=492412
>>
>> On 28.07.18 22:02, Ed Willink wrote:
>>> Hi
>>>
>>> Yes, I have regular build fails. Trying again later works eventually,
>>> probably because each attempt completes a few downloads till there is
>>> nothing left to fetch.
>>>
>>> If you look at the log in detail you will see that the transfer rate for
>>> some successful downloads is only a few KB/s suggesting that the problem
>>> is probably at the Maven end. I guess that such pathetic transfer rates
>>> can vary a bit and when the rate drops it is a failure. Perhaps there is
>>> a tomeout that Eclipse IT can set to be more tolerant.
>>>
>>>     Regards
>>>
>>>         Ed Willink
>>>
>>>
>>>
>>> On 28/07/2018 20:02, Christoph Daniel Schulze wrote:
>>>> Hello everyone,
>>>>
>>>> we (the ELK project) are having lots of trouble with our automatic build
>>>> at the moment [1]. The problems used to be limited to connection
>>>> problems while publishing artifacts to Sonatype. By now, we cannot get a
>>>> single build to complete due to problems downloading plug-ins from Maven
>>>> Central.
>>>>
>>>> In short, here's the problem:
>>>>
>>>> Downloading from central:
>>>> http://central.maven.org/maven2/com/google/code/gson/gson/maven-metadata.xml
>>>> [WARNING] Could not transfer metadata
>>>> com.google.code.gson:gson/maven-metadata.xml from/to central
>>>> (http://central.maven.org/maven2): Connection reset
>>>>
>>>> Sure enough, the file does exist on the server.
>>>>
>>>> Have other projects seen similar issues? If so, how did you solve them?
>>>>
>>>> Cheers,
>>>>  Chris
>>>>
>>>> [1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=537325
>>>>
>>>>
>>>>
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