Eclipse Mars hangs on XML Validation

Eclipse Mars is a great IDE which a lot of performance improvements against older versions of Eclipse. But I still have in some workspaces the problem that my Eclipse IDE hangs during validation of XML files of my Web Projects (e.g. web.xml or faces-config.xml). This problem is well known for the Eclipse IDE. To solve this problem in Eclipse Mars it is sufficient to disable the Validation of  “XML Schema Files”.

eclipse-xml-validation

and also disable the Option “Honour all XML schema location” for the XML Files validation.

eclipse-xml-validation2

If you disable this options, Eclipse will be faster after updating xml files.

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