I have noticed that sometimes in TBC (Eclipse 3.4.2 -- TBC 3.1.1) when
I try to join models in JenaDB that the system throws "null pointer
excepts" left and right and I have to restart Eclipse to get them to
go away.

On Sep 25, 1:19 pm, Joseph Shea <[email protected]> wrote:
> Hello all. I am trying to write new triples into a Jena TDB file in
> TopBraid Live through a web service that passes the values for the
> triple through a URL.
>
> When running in TopBraid Composer, the SparqlMotion script works
> properly. It takes in the values, constructs the proper triples, and
> writes to the file properly. However, I receive null pointer errors
> from time to time (especially when I have the file that I want to
> write to open in Composer) It appears to be doing the same thing
> through the URL.
>
> Even when getting the null pointer errors, the data is still saved in
> the file properly. Has anyone experienced something similar, or have
> any suggestions to prevent this?
>
> In the error log, there are two errors that reappear when I get the
> null pointer error.
>
> Unhandled event loop exception during blocked modal context. (Usually
> three or four)
> Problems occurred when invoking code from plug-in:
> "org.eclipse.jface". (Usually 30-50)
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