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Issue Type:
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 Bug
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Affects Versions:
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2.3.2
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Assignee:
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Andrea Aime
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Components:
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WMS
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Created:
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12/Jun/13 5:09 AM
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Description:
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When I send a GetLegendGraphic request to GeoServer for a layer that’s outside of the scalethreshold specified in its SLD, GeoServer returns the below.
I appreciate it shouldn’t return a legend (although the spec doesn’t seem to explicitly say that), but should there really be a java exception in there?
<?xml version=“1.0” encoding=“UTF-8” standalone=“no”?><!DOCTYPE ServiceExceptionReport SYSTEM “http://wppgeog3:8082/geoserver/schemas/wms/1.1.1/WMS_exception_1_1_1.dtd”> <ServiceExceptionReport version=“1.1.1” > <ServiceException>
java.lang.IllegalArgumentException: no legend passed
no legend passed
</ServiceException></ServiceExceptionReport>
It even triggers ERROR level events in the log!
2013-06-12 10:01:47,793 ERROR [geoserver.ows] -
java.lang.IllegalArgumentException: no legend passed
at org.geoserver.wms.legendgraphic.BufferedImageLegendGraphicBuilder.buildLegendGraphic(BufferedImageLegendGraphicBuilder.java:410)
at org.geoserver.wms.legendgraphic.PNGLegendOutputFormat.produceLegendGraphic(PNGLegendOutputFormat.java:40)
at org.geoserver.wms.legendgraphic.PNGLegendOutputFormat.produceLegendGraphic(PNGLegendOutputFormat.java:21)
at org.geoserver.wms.GetLegendGraphic.run(GetLegendGraphic.java:48)
at org.geoserver.wms.DefaultWebMapService.getLegendGraphic(DefaultWebMapService.java:385)
at sun.reflect.GeneratedMethodAccessor291.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.geoserver.ows.util.RequestObjectLogger.invoke(RequestObjectLogger.java:32)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at com.sun.proxy.$Proxy25.getLegendGraphic(Unknown Source)
at sun.reflect.GeneratedMethodAccessor278.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.geoserver.ows.Dispatcher.execute(Dispatcher.java:774)
…
The SLD spec doesn’t seem to say exactly what should happen.
Ideally the exception message would probably be a more descriptive:
“No legend at this scale.”
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Project:
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GeoServer
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Priority:
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 Minor
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Reporter:
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Jonathan Moules
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