Github user afs commented on the issue:
https://github.com/apache/jena/pull/151
I have just pushed a branch to https://github.com/afs/jena/tree/http_op
where the tests+setup are extracted into a single class
`AFS_TestRemoteEndpointConnection` and if this is called twice (see
`AFS_TS_Debug`) I get one failure on the second run.
The other test is now no more than add a quad and then:
```
JenaConnection conn = this.getConnection(ds);
conn.close();
```
In fact, adding and deleting the test quad still makes the test fail.
My best guess at the moment is that `ServerTest.resetServer();` is broken
(look for `//AFS Suspect`).
It is the only use of `UpdateExecutionFactory.createRemote`.
If a no-op SPARQL Update is done:
```
UpdateRequest request = UpdateFactory.create("INSERT DATA {}") ;
UpdateProcessor proc = UpdateExecutionFactory.createRemote(request,
ServerTest.serviceUpdate) ;
```
there is still a test failure. This is the [AFS-debug-2
commit](https://github.com/afs/jena/commit/7f4030ffd0db394ac1e5ad1bbca2c84a2edce4c7).
Dropping the server and recreating - everything is fine.
Resetting the server in the overall test suite, not between classes -
everything is fine.
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