A Java runtime exception was logged during JSON parsing due to an illegal unquoted character. The exception originates from Jackson’s JsonParseException, pointing to a control character (code 10) that must be escaped with a backslash to be part of a string value. The error occurred at line 1, column 695 of the source, with source location information disabled. The stack trace indicates that the parser encountered a line break character in a string that was not properly quoted, leading to a failure in processing the JSON input. This kind of error is typical when JSON data is built by concatenating strings without properly escaping control characters. The RuntimeException wrapper points to the underlying JsonParseException, and the message advises that the offending character be escaped. The issue arose while the parser was reading the first line of the document, a common point where malformed input is detected.
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https://www.ecb.europa.eu/pub/pdf/scpwps/ecb.wp3155~1fb9243579.en.pdf
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