SolrDictionarySerializer - Object reference not set to an instance of an object.

[Dorin Oltean]

Hey,

I am getting this error and cant seem to find the reason ??? Do you know what a possible reason should be for this ???

Looking over this SolrDictionarySerializer file it doesn't look like this exception is possible

Below is the stacktrace.

System.NullReferenceException: Object reference not set to an instance of an object.

   at SolrNet.Impl.SolrDictionarySerializer.Serialize(Dictionary`2 doc, Nullable`1 boost)

   at SolrNet.Commands.AddCommand`1.ConvertToXml()

   at SolrNet.Commands.AddCommand`1.Execute(ISolrConnection connection)

   at SolrNet.Impl.SolrBasicServer`1.SendAndParseHeader(ISolrCommand cmd)

   at SolrNet.Impl.SolrBasicServer`1.AddWithBoost(IEnumerable`1 docs, AddParameters parameters)

   at SolrNet.Impl.SolrServer`1.AddRange(IEnumerable`1 docs, AddParameters parameters)

   at SolrNet.Impl.SolrServer`1.AddRange(IEnumerable`1 docs)

Thanks,

Dorin

[Mauricio Scheffer]

I think that's the same problem as in https://github.com/mausch/SolrNet/pull/166 .

I just linked from that pull request to this thread as a reminder, when I get some time to review that pull request :-(

Cheers

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Mauricio

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[Dorin Oltean]

That is not the reason why I get the exception, because none of the values I send are List<>.

I managed to not get this error not throwed by not calling addDocuments from different threads.

Probably somewhere in the documentatino is specified that it is not thread safe.

On Tue Nov 18 2014 at 4:50:07 PM Mauricio Scheffer <mauricio...@gmail.com> wrote:

I think that's the same problem as in https://github.com/mausch/SolrNet/pull/166 .

I just linked from that pull request to this thread as a reminder, when I get some time to review that pull request :-(

Cheers

--

Mauricio

On Tue, Nov 18, 2014 at 2:10 PM, Dorin Oltean <dorin...@gmail.com> wrote:

Hey,

I am getting this error and cant seem to find the reason ??? Do you know what a possible reason should be for this ???

Looking over this SolrDictionarySerializer file it doesn't look like this exception is possible

Below is the stacktrace.

System.NullReferenceException: Object reference not set to an instance of an object.

   at SolrNet.Impl.SolrDictionarySerializer.Serialize(Dictionary`2 doc, Nullable`1 boost)

   at SolrNet.Commands.AddCommand`1.ConvertToXml()

   at SolrNet.Commands.AddCommand`1.Execute(ISolrConnection connection)

   at SolrNet.Impl.SolrBasicServer`1.SendAndParseHeader(ISolrCommand cmd)

   at SolrNet.Impl.SolrBasicServer`1.AddWithBoost(IEnumerable`1 docs, AddParameters parameters)

   at SolrNet.Impl.SolrServer`1.AddRange(IEnumerable`1 docs, AddParameters parameters)

   at SolrNet.Impl.SolrServer`1.AddRange(IEnumerable`1 docs)

Thanks,

Dorin

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[Dorin Oltean]

SOLVED.
One of the values in the dictionary was null. And that is why the exception was throwed.

Thanks for the different perspective.

[Mauricio Scheffer]

Great, but any NullReferenceException thrown from SolrNet is a bug in SolrNet. I'll try to throw a more specific exception at least.

Cheers

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Mauricio

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