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Hi Petr,

Just one question: we noticed with Andy that the plugin in your error report is versioned with `-5.3.`, e.g.:
/lib64/libXrdDPMFinder.so-5.3

It looks to me that something went amiss (???), 
(AFAIK) this won’t work with our current plugin loading mechanism.

How did you managed to produce a plugin like that? When I tried rebuilding dmlite with 5.1.0-rc1 I got:
-rwxr-xr-x. 1 root root 815416 Dec  4 11:19 libXrdDPMFinder-5.so
Cheers,
Michal

> On 4 Dec 2020, at 09:14, Michal Simon <[log in to unmask]> wrote:
> 
> Hi Petr,
> 
> This commit should fix the problem:
> https://github.com/xrootd/xrootd/commit/82dc088131b09e44b180610adaba1d6fb8456b18 <https://github.com/xrootd/xrootd/commit/82dc088131b09e44b180610adaba1d6fb8456b18>
> 
> I’ll cut RC2 soonish.
> 
> Cheers,
> Michal
> 
>> On 3 Dec 2020, at 13:56, Michal Simon <[log in to unmask] <mailto:[log in to unmask]>> wrote:
>> 
>> Hi Petr,
>> 
>> No worries, I’ll fi it on xrootd side. 
>> 
>> Cheers,
>> Michal
>> 
>>> On 3 Dec 2020, at 13:54, Petr Vokac <[log in to unmask] <mailto:[log in to unmask]>> wrote:
>>> 
>>> Hi,
>>> 
>>> technically for DPM/dmlite we can just increase xrootd requirements in RPM spec file + rebuild package sources to have right linkage with updated symbol (rebuild dmlite works fine with XRootD 5.1.0-rc1 on my testbed). It'll be just necessary to push XRootD 5.1.0 and updated dmlite in EPEL stable at the same time.
>>> 
>>> Petr
>>> 
>>> On 12/1/20 8:56 PM, Michal Simon wrote:
>>>> Hi Petr,
>>>> 
>>>> Thanks a lot for trying the RC and for reporting this problem. We will have a look at it!
>>>> 
>>>> 
>>>> Cheers,
>>>> Michal
>>>> 
>>>>> On 1 Dec 2020, at 20:37, Petr Vokac <[log in to unmask] <mailto:[log in to unmask]>> wrote:
>>>>> 
>>>>> DPM doesn't like this new 5.1.0-rc1
>>>>> Plugin /lib64/libXrdDPMFinder.so-5.3: undefined symbol: _ZN14XrdNetAddrInfo4SameEPKS_b cmslib libXrdDPMFinder.so-5.3
>>>>> Plugin cmslib libXrdDPMFinder.so-5.3 not found; falling back to using libXrdDPMFinder.so.3
>>>>> Plugin No such file or directory loading cmslib libXrdDPMFinder.so.3
>>>>> https://github.com/xrootd/xrootd/commit/2884952d25268f8abb637cb8d73e464c40b5ac59 <https://github.com/xrootd/xrootd/commit/2884952d25268f8abb637cb8d73e464c40b5ac59>
>>>>> 
>>>>> Petr
>>>>> 
>>>>> On 12/1/20 10:57 AM, Michal Simon wrote:
>>>>>> Dear All,
>>>>>> 
>>>>>>     The XRootD 5.1.0 release candidate 1 has been tagged:
>>>>>> 
>>>>>>     https://github.com/xrootd/xrootd/releases/tag/v5.1.0-rc1 <https://github.com/xrootd/xrootd/releases/tag/v5.1.0-rc1>
>>>>>> 
>>>>>>     The source RPM is available at:
>>>>>>     https://xrootd.cern.ch/sw/releases/5.0.3-rc1/rpms/source <https://xrootd.cern.ch/sw/releases/5.0.3-rc1/rpms/source>
>>>>>> 
>>>>>>     The RPMs are available in the XRootD testing repositories:
>>>>>>     http://xrootd.org/binaries/xrootd-testing-slc6.repo <http://xrootd.org/binaries/xrootd-testing-slc6.repo>
>>>>>>     http://xrootd.org/binaries/xrootd-testing-slc7.repo <http://xrootd.org/binaries/xrootd-testing-slc7.repo>
>>>>>>     http://xrootd.org/binaries/xrootd-testing-slc8.repo <http://xrootd.org/binaries/xrootd-testing-slc8.repo>
>>>>>> 
>>>>>> Kind regards,
>>>>>>     Michal
>>>>>> 
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>> 
> 


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