this wont help if its not a explicit singleton but a implicit one only
(classloaders are not completely isolated)

Am 06.08.19 um 09:07 schrieb Alexander Nyßen:
> I remember we had a simrel report pointing out such duplicate
> singletons in the repo. Is that no longer available?
>
> Cheers,
> Alexander
>
>> Am 06.08.2019 um 09:04 schrieb Christian Dietrich
>> <christian.dietr...@itemis.de <mailto:christian.dietr...@itemis.de>>:
>>
>> i used that product and it actually found 2 more problematic candidates
>>
>> gef dot - regarding guava
>> and mylyn trac regarding gson
>>
>> Am 06.08.19 um 08:59 schrieb Ed Willink:
>>>
>>> Hi
>>>
>>> The OOMPH integration is unlikely to help; it checks installability.
>>>
>>> With a conflicting singleton such as Guava
>>> - the 'left-hand' subsystem successfully installs using version X
>>> - the 'right-hand' subsystem successfully installs using version Y
>>>
>>> At run-time, any class passed in the 'API' between left and right
>>> subsystems gets a bad class version. This probably happens as an
>>> integrating system's class loader must 'choose' whether it uses
>>> 'left' or 'right' hand class versions.
>>>
>>> If the 'API' is clean enough, e.g. no Optional, it can work.
>>>
>>>     Regards
>>>
>>>         Ed Willink
>>>
>>> On 06/08/2019 07:43, Christian Dietrich wrote:
>>>> @Michael do you mean this one (see screenshot)
>>>>
>>>> Am 05.08.19 um 20:51 schrieb Michael Keppler:
>>>>> Am 05.08.2019 um 17:43 schrieb Ed Willink:
>>>>>> But no. Sorry deep integrators must suffer.
>>>>> Unfortunately there is no cross-project integration testing. But I
>>>>> vaguely remember Eike or Ed has shown an Oomph setup called "egg-laying
>>>>> wool-milk-pig" containing everything from a release train at one of the
>>>>> early Oomph presentations. Maybe one could do at least some manual
>>>>> integration testing using that Oomph setup? However, I don't find any
>>>>> link to that anymore.
>>>>>
>>>>> Ciao, Michael
>>>>>
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