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The ArcGIS Server Web Service map engine component provides a means for the Weave server to generate maps using ArcGIS Server via its web service API. This has the advantage over the direct ArcGIS Server map engine because it does not require any additional components to be installed on the server while still providing the same level of functionality (hence the direct connect component being made obsolete).

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The layer tag support two formats, one using the id and/or name attributes and the other using the tags content
Either one or both of the id and/or name attributes must be set OR tag content must be provided
If the content of the layer tag is used then the value of the usename property determines if the content should match the layer id or the layer name
Both the id and name attributes can be set, but they must match both values for the layer that you're trying to filter or they won't match the layer
The pool tag when used with ArcGIS Server also support a maxAgeMillis property which specifies how long the connection to ArcGIS Server should be kept for, this should be less that the value set for "The maximum time a client can use a service" in ArcGIS, note however that this check only occurs during connection validation, so testOnBorrow, testOnReturn and/or testWhileIdle must be set for the pool. ArcGIS Server Settings - Pooling and Processes

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Code Block

	xml
	xml
linenumbers	true

<arcgisws:mapengine id="arcgis.base">
	<url>http://vmbreakout:8399/arcgis/services/Base/MapServer</url>
	<map>Layers</map>
	<crs>EPSG:20255</crs>
	<transparent>true</transparent>
	<usename>true</usename>
	<mapcache>true</mapcache>
	<pool:pool>
		<maxActive>15<<maxActive>16</maxActive>
		<minIdle>2</minIdle> <!-- always keep at least 2 connection open -->
		<maxIdle>2<<maxIdle>8</maxIdle>
		<testOnBorrow>true</testOnBorrow>
		<timeBetweenEvictionRunsMillis>60000</timeBetweenEvictionRunsMillis>
		<minEvictableIdleTimeMillis>1200000</minEvictableIdleTimeMillis>
		<whenExhaustedAction>grow</whenExhaustedAction><testWhileIdle>true</testWhileIdle> <!-- enable background tests so that "old" (i.e. maxAgeMillis) connections can be cleaned up in the background -->
		<timeBetweenEvictionRunsMillis>30000</timeBetweenEvictionRunsMillis>
		<numTestsPerEvictionRun>16</numTestsPerEvictionRun> <!-- test all the connection on each run -->
		<minEvictableIdleTimeMillis>300000</minEvictableIdleTimeMillis> <!-- close a connection that's been idle for five minutes -->
		<whenExhaustedAction>block</whenExhaustedAction> <!-- ensure we don't create more than maxActive connections -->
		<maxAgeMillis>565000</maxAgeMillis> <!-- close anything that's been open for a the max allowed time from AGS (assuming 600 seconds here) minus a little more than the timeBetweenEvictionRunsMillis value to ensure it's removed before the AGS setting-->
	</pool:pool>
</arcgisws:mapengine>

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Versions Compared

Old Version 14

New Version 15

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