A NullPointerException is thrown in StreamingRenderer when a MapLayer contains
no features
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Key: GEOT-1254
URL: http://jira.codehaus.org/browse/GEOT-1254
Project: GeoTools
Issue Type: Bug
Components: core render
Environment: Java 6, Windows Vista
Reporter: Teodor Baciu
Assignee: Jesse Eichar
Attachments: EmptyLayerBugTestCase.java, patch-teodorbaciu.txt
The problem occurs in GeoTools 2.3.1 (but is also present in the trunk), when
rendering a map context that has an empty layer.
In this situation a NullPointerException is thrown in the StreamingRenderer
class, in the processStylers(...) method, because
"geometryAttribute" variable is null, see code below:
final GeometryAttributeType geometryAttribute = schema.getDefaultGeometry();
final CoordinateReferenceSystem sourceCrs =
geometryAttribute.getCoordinateSystem();
Attached you can find a testcase for replicating the problem and patch for the
trunk version.
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