For which „we“ as in the Scout project would be very grateful for.

Thanks and regards,
Arthur

Von: cross-project-issues-dev-boun...@eclipse.org 
[mailto:cross-project-issues-dev-boun...@eclipse.org] Im Auftrag von Fred Bricon
Gesendet: Donnerstag, 5. Oktober 2017 17:15
An: Cross project issues
Betreff: Re: [cross-project-issues-dev] Oxygen.1aRC1: Maven fails with 
org.codehaus.plexus.classworlds.launcher.Launcher when running with JDK 9

We as in the m2e project. We rolled our RC2 build on Tuesday, I'm asking 
whether we can respin it with a fix for this serious bug, before we build the 
EPP distros

On Thu, Oct 5, 2017 at 11:10 AM, Daniel Megert 
<daniel_meg...@ch.ibm.com<mailto:daniel_meg...@ch.ibm.com>> wrote:
> I believe we can provide a fix today.

Hi Fred

Who is "we"? Which project? The Platform/JDT is done. RC2 was last Friday.

Dani



From:        Fred Bricon <fbri...@gmail.com<mailto:fbri...@gmail.com>>
To:        Cross project issues 
<cross-project-issues-dev@eclipse.org<mailto:cross-project-issues-dev@eclipse.org>>
Date:        05.10.2017 16<tel:05%2010%2020%2017%2016>:58
Subject:        Re: [cross-project-issues-dev] Oxygen.1aRC1: Maven fails with 
org.codehaus.plexus.classworlds.launcher.Launcher when running with JDK 9
Sent by:        
cross-project-issues-dev-boun...@eclipse.org<mailto:cross-project-issues-dev-boun...@eclipse.org>
________________________________



Hi,

we just found out the cause of bug 
https://bugs.eclipse.org/bugs/show_bug.cgi?id=522333<https://urldefense.proofpoint.com/v2/url?u=https-3A__bugs.eclipse.org_bugs_show-5Fbug.cgi-3Fid-3D522333&d=DwMFaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=1UITCR5rxUZHSFczvfaNFK4ymEbEiccRX7VKchpqz0Y&m=rA3s-DC8vjNUhU5r9m0E75d72lWo7CUF_O4zwJo5Eiw&s=mw8p-WP2x5_Q_yKbT3Z8gmKmh7X2uV0i3TFPu4a8pOs&e=>,
 which prevents you from running Maven builds on Java 9 projects on Windows 
specifically.

Java 9 no longer supports classpaths sent with the form /c:/whatever (worked in 
previous Java versions) as sent by m2e.
I believe we can provide a fix today. Is it possible to delay the Oxygen.1a RC2 
aggregation builds to tonight?

Fred


On Wed, Oct 4, 2017 at 10:18 AM, Arthur van Dorp 
<arthur.vand...@bsi-software.com<mailto:arthur.vand...@bsi-software.com>> wrote:
Ah, Java Development Tools Launching Support is at 3.9.50.v2070925-1051 in that 
latest EPP build which might just not yet include the fix from the same day.


Von: 
cross-project-issues-dev-boun...@eclipse.org<mailto:cross-project-issues-dev-boun...@eclipse.org>[mailto:cross-project-issues-dev-boun...@eclipse.org<mailto:cross-project-issues-dev-boun...@eclipse.org>]
 Im Auftrag von Fred Bricon
Gesendet: Mittwoch, 4. Oktober 2017 16:04

An: Cross project issues
Betreff: Re: [cross-project-issues-dev] Oxygen.1aRC1: Maven fails with 
org.codehaus.plexus.classworlds.launcher.Launcher when running with JDK 9


I'll see if I can workaround it on m2e's side for RC2. Not promising any 
miracles though.



Fred


On Wed, Oct 4, 2017 at 9:55 AM, Arthur van Dorp 
<arthur.vand...@bsi-software.com<mailto:arthur.vand...@bsi-software.com>> wrote:
Thanks. Didn’t come up in my bugzilla searches as it is marked fixed.
Doesn’t seem fixed to me.



Regards

Arthur


Von: 
cross-project-issues-dev-boun...@eclipse.org<mailto:cross-project-issues-dev-boun...@eclipse.org>[mailto:cross-project-issues-dev-boun...@eclipse.org<mailto:cross-project-issues-dev-boun...@eclipse.org>]
 Im Auftrag von Fred Bricon
Gesendet: Mittwoch, 4. Oktober 2017 15:48
An: Cross project issues
Betreff: Re: [cross-project-issues-dev] Oxygen.1aRC1: Maven fails with 
org.codehaus.plexus.classworlds.launcher.Launcher when running with JDK 9


You've hit 
https://bugs.eclipse.org/bugs/show_bug.cgi?id=522333<https://urldefense.proofpoint.com/v2/url?u=https-3A__bugs.eclipse.org_bugs_show-5Fbug.cgi-3Fid-3D522333&d=DwMFaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=1UITCR5rxUZHSFczvfaNFK4ymEbEiccRX7VKchpqz0Y&m=rA3s-DC8vjNUhU5r9m0E75d72lWo7CUF_O4zwJo5Eiw&s=mw8p-WP2x5_Q_yKbT3Z8gmKmh7X2uV0i3TFPu4a8pOs&e=>


On Wed, Oct 4, 2017 at 9:26 AM, Arthur van Dorp 
<arthur.vand...@bsi-software.com<mailto:arthur.vand...@bsi-software.com>> wrote:

Hi all


As the RC2 window already closes and the final Oxygen.1a contributions are due 
soon, I bring up the following issue directly on this list:


On the EPP RC1 with only a JDK 9 as installed JRE, calling Maven commands fails 
with
Error: Could not find or load main class 
org.codehaus.plexus.classworlds.launcher.Launcher

Caused by: java.lang.ClassNotFoundException: 
org.codehaus.plexus.classworlds.launcher.Launcher
Switching to a JDK 8 resolves the problem.



Steps to reproduce:

*New workspace
*File/New Other…/Maven/Maven Project/Create dummy project
*Select project folder/Right click/Run As…/Maven clean


I’ve reproduced this under Windows 7 and the Scout EPP package. To make sure it 
isn’t a Scout issue I’ve tested with a post RC1 EPP package of Eclipse Java too.


Has anyone else experienced this? Is anyone else able to reproduce it?



Thanks and regards

Arthur



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