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From Hervé BOUTEMY <herve.bout...@free.fr>
Subject Re: Build failed in Jenkins: Maven TLP » maven » master #14
Date Mon, 21 May 2018 08:35:04 GMT
guys, please have a look at the build before extrapolating ideas on what may fail

as I wrote, the issue is not with central, it's with https://www.apache.org/

I'll copy/paste the exception:
Caused by: org.codehaus.plexus.resource.loader.ResourceNotFoundException: Could not find resource
'https://www.apache.org/licenses/LICENSE-2.0.txt'.
    at org.codehaus.plexus.resource.DefaultResourceManager.getResource (DefaultResourceManager.java:173)


I perfectly know that Java 7u131 and more have TLS 1.2 enabled by default (like Java 8), but
before it had to be enabled explicitely: I did the tests that were used to document the central
TLS 1.1 discontinuation announce [1] (and there is still a typo here: the second error message
is simply "peer not authenticated", and you get it with Maven 3.0 and 3.1).
I know the technical details.

I know we can deal the situation from a pure technical perspective, asking infra to add a
Java 7u131+ to the CI server: don't hesitate to go this way if you want (and ignore that most
developers use latest free Oracle JDK, that is 7u80)

I also know that:
- we'll switch to Java 8 for 3.6 in a few weeks
- the JDK we are talking about is only used to build Maven: core ITs to test the binary are
executed without any issue with Java 7u80 and Java 8 on Linux and Windows
hence the proposal to simply build with Java 8: I don't see what is technically invalid here.
What I know is that it is the only solution I'll take time to work on, since I think the other
is a waste of my time.


Now, don't hesitate: yes, a new Java 7u131+ JDK on the CI server will also fix the issue
Just do it if it's the only option you want.

Regards,

Hervé

[1] https://central.sonatype.org/articles/2018/May/04/discontinue-support-for-tlsv11-and-below/

Le dimanche 20 mai 2018, 23:09:33 CEST Michael Osipov a écrit :
> Am 2018-05-20 um 22:28 schrieb Sylwester Lachiewicz:
> > Hi,
> > Difference between repo1.maven.org and maven.apache.org is that out site
> > accepts only tlsv1.2 (
> > https://www.ssllabs.com/ssltest/analyze.html?d=maven.apache.org) where
> > Central now accepts tls 1.0, 1.1, 1.2
> > https://www.ssllabs.com/ssltest/analyze.html?d=repo1.maven.org
> > 
> > I think TLSv1.2 can be enabled for client connections
> > https://bugs.openjdk.java.net/browse/JDK-7093640 from Java 1.7u95 only
> > with
> > property jdk.tls.client.protocols.
> > 
> > Java 1.7u80 is latest public version available and releases after 1.7.0_80
> > are only available to Oracle Customers. I found details here:
> > https://blogs.oracle.com/java-platform-group/diagnosing-tls,-ssl,-and-http
> > s
> > 
> > So I think only option is to switch to Java 8 only and with Maven Central
> > switch to TLSv1.2 only we can just forget about java 7 for Maven projects
> > builds..
> > 
> > BR
> > Sylwester
> > 
> > sob., 19 maj 2018 o 11:41 użytkownik Hervé Boutemy <hboutemy@apache.org>
> > 
> > napisał:
> >> Maven master branch build is failing on ASF Jenkins for one week
> >> 
> >> looks related to TLS 1.2 only support on https://www.apache.org/, when
> >> the build is currently done with JDK 7u80 which has TLS 1.2 disabled by
> >> default
> >> I tried to enable TLS 1.2 adding
> >> "-Dhttps.protocols=TLSv1,TLSv1.1,TLSv1.2"
> >> option, but it does not work (works for dependencies download through
> >> Maven
> >> Artifact Resolver + Wagon, but the failing code uses directly
> >> java.net.URL.openStream() )
> >> 
> >> IMHO, the simplest solution is to update our Maven core Jenkinsfile to
> >> build with Java 8, since it's completely decoupled from the ITs run
> >> (happening with misc JDK and OSes)
> 
> I concur, works for me with https://www.azul.com/downloads/zulu/:
> Apache Maven 3.5.3 (3383c37e1f9e9b3bc3df5050c29c8aff9f295297;
> 2018-02-24T20:49:05+01:00)
> Maven home: D:\Entwicklung\Programme\apache-maven-3.5.3\bin\..
> Java version: 1.7.0_181, vendor: Azul Systems, Inc.
> Java home: C:\Program Files\Zulu\zulu-7\jre
> Default locale: de_DE, platform encoding: Cp1252
> OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"
> 
> 
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