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Une méthode XmlReader a été appelée avant la fin d’une opération asynchrone précédente. Dans ce cas, l’exception InvalidOperationException est levée avec le message « Une opération asynchrone est déjà en cours ».
You created XMLReader by XMLInputFactory.createXMLStreamReader with argument InputStream or so. This is an "underlying input source". :) Because it opened outside of XMLReader, thus XMLReader will not close it. But, if you need, can use this wrapper class for XMLReader. Just works.
Close the XMLReader input
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Oct 24, 2025 · Why Use close ()? Prevents resource leaks in your program. Ensures that files or network streams are properly released. Mandatory in real-world applications to avoid memory and file descriptor exhaustion. Note: Using try-with-resources in Java automatically calls close () on streams, making code safer and cleaner.
XMLReader extension is used to read/retrieve the contents of an XML document i.e. using the methods of the XMLReader class you can read each node of an XML document. The XMLReader::close () function of the XMLReader class is used to close the current object that is being parsed.
People also ask
What does XMLReader do during a parse?
What is XMLReader?
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What's new in the XMLReader interface?
Parse an XML document. The application can use this method to instruct the XML reader to begin parsing an XML document from any valid input source (a character stream, a byte stream, or a URI). Applications may not invoke this method while a parse is in progress (they should create a new XMLReader instead for each nested XML document).
