eladmarg opened a new issue #319:
URL: https://github.com/apache/lucenenet/issues/319
Hi,
I'm getting this exception sometimes, this is on heavily indexed production
environment,
couldn't reproduce this locally.
its happening rarely, with unknown reason / pattern.
all I'm doing is simple spatial search, points close to point, ordered by
distance.
I'm using 10km radius filter, with matchalldocs query and sort by distance.
code for sort:
```
var point = SpatialContext.MakePoint(lon, lat);
var valueSource = SpatialStrategy.MakeDistanceValueSource(point,
DistanceUtils.DEG_TO_KM);
var sort = new Sort(valueSource.GetSortField(false)).Rewrite(indexSearcher);
```
the exception:
System.NullReferenceException: Object reference not set to an instance of an
object.
at Spatial4n.Core.Util.GeohashUtils.DecodeBoundary(String geohash,
SpatialContext ctx)
at Spatial4n.Core.Util.GeohashUtils.Decode(String geohash, SpatialContext
ctx)
at
Lucene.Net.Spatial.Util.ShapeFieldCacheProvider`1.<GetCache>b__5_0(IndexReader
key)
at System.Runtime.CompilerServices.ConditionalWeakTable`2.GetValue(TKey
key, CreateValueCallback createValueCallback)
at
Lucene.Net.Spatial.Util.ShapeFieldCacheDistanceValueSource.CachedDistanceFunctionValue..ctor(AtomicReader
reader, ShapeFieldCacheDistanceValueSource enclosingInstance)
at
Lucene.Net.Spatial.Util.ShapeFieldCacheDistanceValueSource.GetValues(IDictionary
context, AtomicReaderContext readerContext)
at
Lucene.Net.Queries.Function.ValueSource.ValueSourceComparer.SetNextReader(AtomicReaderContext
context)
at
Lucene.Net.Search.TopFieldCollector.OneComparerNonScoringCollector.SetNextReader(AtomicReaderContext
context)
at Lucene.Net.IndexSearcher.Search.Search(IList`1 leaves, Weight weight,
ICollector collector)
at Lucene.Net.IndexSearcher.Search.Search(IList`1 leaves, Weight weight,
FieldDoc after, Int32 nDocs, Sort sort, Boolean fillFields, Boolean
doDocScores, Boolean doMaxScore)
at Lucene.Net.IndexSearcher.Search.Search(Weight weight, FieldDoc after,
Int32 nDocs, Sort sort, Boolean fillFields, Boolean doDocScores, Boolean
doMaxScore)
any ideas?
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