Hi,
We are rendering a layer stored in a Oracle Spatial database through WMS. We 
user geoserver 2.3.2

But on some part of the map, geoserver's WMS engine will fail with the 
following error :

17 Feb 12:41:34 ERROR [geotools.rendering] - ETYPE 4 inconsistent with expected 
LINE
java.lang.IllegalArgumentException: ETYPE 4 inconsistent with expected LINE
        at org.geotools.data.oracle.sdo.SDO.createMultiLine(SDO.java:2833)
        at org.geotools.data.oracle.sdo.SDO.create(SDO.java:2422)
        at org.geotools.data.oracle.sdo.SDO.create(SDO.java:2383)
        at 
org.geotools.data.oracle.sdo.GeometryConverter.asGeometry(GeometryConverter.java:125)
        at 
org.geotools.data.oracle.OracleDialect.readGeometry(OracleDialect.java:506)
        at 
org.geotools.data.oracle.OracleDialect.readGeometry(OracleDialect.java:492)
        at 
org.geotools.data.oracle.OracleDialect.decodeGeometryValue(OracleDialect.java:455)
        at org.geotools.jdbc.JDBCFeatureReader.next(JDBCFeatureReader.java:310)
        at org.geotools.jdbc.JDBCFeatureReader.next(JDBCFeatureReader.java:70)
        at 
org.geotools.data.store.ContentFeatureCollection$WrappingFeatureIterator.next(ContentFeatureCollection.java:145)
        at 
org.geotools.data.store.ContentFeatureCollection$WrappingFeatureIterator.next(ContentFeatureCollection.java:125)
        at 
org.geoserver.feature.RetypingFeatureCollection$RetypingIterator.next(RetypingFeatureCollection.java:107)
        at 
org.geoserver.feature.RetypingFeatureCollection$RetypingIterator.next(RetypingFeatureCollection.java:92)
        at 
org.geotools.data.crs.ForceCoordinateSystemIterator.next(ForceCoordinateSystemIterator.java:126)
        at 
org.geotools.data.crs.ForceCoordinateSystemIterator.next(ForceCoordinateSystemIterator.java:67)
        at 
org.geotools.feature.collection.BridgeIterator.next(BridgeIterator.java:31)
        at 
org.geotools.feature.collection.BridgeIterator.next(BridgeIterator.java:18)
        at 
org.geotools.renderer.lite.StreamingRenderer.drawPlain(StreamingRenderer.java:2494)

It only happens on some specific parts of the map. And it happens all the time.
Though, the layer renders well in ESRI tools.
And we also have lots of other linear layers which cause no problems.

Does anybody have a clue ?

Thanks for your help.

Regards,

Laurent
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