Message:		Cannot minimize JS for file '/plugins/extjs6/resources/packages/charts/classic/charts.js'.
Location:	org.ametys.core.minimize.js.MinimizeJSManager.getMinimizedContent(MinimizeJSManager.java:273)
Thrown:
org.apache.excalibur.source.SourceException: Cannot get input stream for cocoon://plugins/extjs6/resources/packages/charts/classic/charts.js
	at org.apache.cocoon.components.source.impl.SitemapSource.getInputStream(SitemapSource.java:253)
	at org.ametys.core.minimize.js.MinimizeJSManager.getMinimizedContent(MinimizeJSManager.java:248)
	at org.ametys.core.minimize.AbstractMinimizeManager.minimizeAndAggregateURIs(AbstractMinimizeManager.java:92)
	at org.ametys.plugins.core.ui.minimize.js.MinimizeJSReader._handleFiles(MinimizeJSReader.java:72)
	at org.ametys.plugins.core.ui.minimize.AbstractMinimizeReader.generate(AbstractMinimizeReader.java:95)
	at org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.processReader(AbstractCachingProcessingPipeline.java:921)
	at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:475)