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I am searching for a tool that can generate invalid data for xml.

I know data valid in one system might be invalid in other. Still some error like length, signs, repetition could be simulated. I do not found any good tool for that. It could be generated from xml or from xsd- from my point of view this does not matter.

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XML has two levels of validation: 1) checking whether this is correct XML document, 2) checking whether this XML is compliant to XSD. Which one do you care about? –  dzieciou Mar 12 at 14:45
Also, the way the question is written, checking that the data contained in the XML is correct. –  Kate Paulk Mar 12 at 16:57
What volume of (invalid) XML is needed? Have you considered using a tool to generate valid XML, then modifying it (perhaps manually) to make it invalid in the ways you need? –  Joe Strazzere Mar 12 at 23:18
From my point of view both points : 1)checking if XML document is correct and 2) checking if it is ok with xsd are not important. I assume thay ok, and valid. –  SkorpEN Mar 24 at 9:35
I want to generate problematic data (single space, invalid item, etc.). It could be done by mutation of valid xml, or by generating valid and then change. Any tool will be good starting point. –  SkorpEN Mar 24 at 10:24

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