XML
Mismatched Tag Errors in Large XML Files and Finding Them
Locate an Opening and ending tag mismatch in a 28.6 MB XML file four ways: the parser, per-tag counts, record-by-record parsing and bisection, with timings.
6 min read
Topic
XML
Older than half the tools that still emit it. Namespaces, XPath and getting rows out of feeds and exports.
XML
Content Is Not Allowed in Prolog and the Hidden BOM
What Content is not allowed in prolog means in Java: a BOM decoded to text, a double BOM, JSON or text instead of XML, and how to diagnose it.
6 min read
XML
Undefined Entity Errors in XML and the Ampersand Problem
Fix undefined entity and Entity not defined errors in XML from HTML entities like nbsp and eacute: convert to numeric references, a DOCTYPE, or lxml recover.
6 min read
XML
Invalid Character in XML and Stripping Control Characters
Fix PCDATA invalid Char value and reference to invalid character number: which characters XML 1.0 forbids, how to strip them from 28 MB in 0.03 s and verify.
6 min read
XML
Premature End of Data in Tag and What Usually Caused It
Why XML fails with Premature end of data in tag: truncated downloads, cut gzip streams and empty responses, how each message differs, and what to check.
7 min read
XML
XML Parsing Error Not Well Formed and How to Find the Spot
Read the not well-formed error in ElementTree, lxml and xmllint on a 28.6 MB file: line and column, what the position means and a method to find the cause.
7 min read
XMLGuide
Fixing XML Parse Errors Fast With a Triage Routine
A tested routine for XML that will not parse: check the bytes, then the encoding, then the characters, then the structure, with an error message dictionary.
19 min read
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