我正在尝试使用Mapserver生成的GML来创建带有openlayers的弹出窗口,如果数据源来自shp文件,一切正常,但是,postgis数据源会带来异常,例如“这可能是由于堆的损坏,表示HTTPFormServer.exe或其加载的任何DLL中的错误。“另外,如果我只是将postgis中的图层数据读取为渲染标签而不是WFS,那么它也可以正常工作
谁能帮忙说明发生了什么?
environment:mapserver5.6.1,postgis8.4,openlayers2.10
LAYER
NAME poi_point
METADATA
"wfs_title" "poi_point" ##REQUIRED
"wfs_typename" "poi_point" ## REQUIRED
"gml_include_items" "all" ## Optional (serves all attributes for layer)
"gml_featureid" "ID" ## REQUIRED
"gml_geometries" "geometry"
"gml_geometry_type" "point"
END
PROJECTION
"proj=latlong"
"ellps=GRS80"
"datum=NAD27"
END
DATA poi_point
STATUS ON
TYPE POINT
DUMP TRUE
MAXSCALEDENOM 2400
CLASS
STYLE
COLOR 0 0 0
OUTLINECOLOR 255 255 255
END
END
END
LAYER
NAME poi_point
DATA "the_geom from poi_point"
METADATA
"wfs_title" "poi_point" ##REQUIRED
"wfs_typename" "poi_point" ## REQUIRED
"gml_include_items" "all" ## Optional (serves all attributes for layer)
"gml_featureid" "ID" ## REQUIRED
"gml_geometries" "geometry"
"gml_geometry_type" "point"
END
PROJECTION
"proj=latlong"
"ellps=GRS80"
"datum=NAD27"
END
CONNECTION "user=postgres password=springtime dbname=postgis host=localhost port=5432"
CONNECTIONTYPE postgis
STATUS ON
TYPE POINT
DUMP TRUE
MAXSCALEDENOM 2400
CLASS
STYLE
COLOR 0 0 0
OUTLINECOLOR 255 255 255
END
END
END
答案 0 :(得分:0)
我发现它是mapserver-5.6.1中的一个错误,也就是说,在msPostGISBuildSQLBox中分配的内存不够,放大就可以了。