On 12 Mar 2004, at 12:03, David Huen wrote:
On Friday 12 Mar 2004 11:17 am, Matthew Pocock wrote:Hi,In this case, that's not the problem. The problem started when we switched
The parser shouldn't be throwing a NPE. However, the NCBI blast xml output didn't used to be well-formed XML, so was not parseable by any XML parser. I don't know if this has since been fixed by the NCBI.
from the Xerces parsers to Sun's own and no attempt on my part was
successful in getting it it use the NCBI's DTD. Part of the problem is
that DTD from NCBI refers to other DTDs and those references are not
complete so my code used to explicitly resolve them but with Sun's parser,
I could never convince it to use the provided DTDs.
I don't have time to return to that problem for a while so perhaps someone
else more familiar with Crimson could figure it out. Alternatively, we
could hack it to not use DTDs at all (totally non-validating).
We're not really using Sun's parser specifically -- just the default JAXP parser that's installed on the system. It ought to be possible to make Xerces the latest JAXP parser, although I think that this means putting it on the bootstrap classpath. I'll try this out.
A while ago I was under the distinct impression that Sun were going to junk Crimson and make Xerces the standard parser. Looks like this hasn't happened though -- I don't know why.
Thomas.
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