ASF GitHub Bot commented on JENA-576:

Github user afs commented on the issue:

    (going off pull/151.diff, which isn't always perfect):
    There is still a global server created in fuseki1/ServerTest by:
        static { allocServer() ; }
    I don't know why that has been enabled. I have now completely removed it 
from the code - see a latest state of http_op_3. 
    I can't see what code state you're working from. Could you push what you 
    There were more tidying up left over than I expected - I may have not 
committed the right set though a visual check didn't suggest any problems.
    What you see is a symptom of the old and new server being around at the 
same time. I believe that the pooling client can cause old server to hang 
around because, as it is localhost, the pool has open TCP connections.  That's 
why `ServerCtl.setPoolingHttpClient` closes down the pool with explicit 

> Upgrade Apache HTTP Client to 4.3
> ---------------------------------
>                 Key: JENA-576
>                 URL: https://issues.apache.org/jira/browse/JENA-576
>             Project: Apache Jena
>          Issue Type: Dependency upgrade
>          Components: ARQ
>    Affects Versions: Jena 2.11.0
>            Reporter: Rob Vesse
>            Assignee: Rob Vesse
>            Priority: Minor
>   Original Estimate: 72h
>  Remaining Estimate: 72h
> As of 2.11.0 ARQ centralizes all HTTP operations through HttpOp which relies 
> on Apache HTTP Client.  Currently we are using 4.2.3 while the latest stable 
> release is actually 4.3.1
> Therefore we should look at upgrading our code to use the latest version 
> which may entail some refactoring since there appears to have been some 
> breaking changes across the minor version bump which users have seen in usage 
> - e.g. 
> https://github.com/pyvandenbussche/sparqles/issues/9#issuecomment-27220738

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