OtterMind/Chat2DB · error · IllegalArgumentException

Invalid PostgreSQL bytea hex literal: ${value}

Error message

Invalid PostgreSQL bytea hex literal: ${value}

What it means

Error "Invalid PostgreSQL bytea hex literal: ${value}" thrown in OtterMind/Chat2DB.

Source

Thrown at chat2db-community-server/chat2db-community-plugins/chat2db-community-postgresql/src/main/java/ai/chat2db/plugin/postgresql/PostgreSqlGuards.java:183

        return storageClause;
    }

    /**
     * Validate content of a B'...' bit literal.
     */
    public static String requireBitLiteral(String value) {
        if (value == null || !BIT_LITERAL_PATTERN.matcher(value).matches()) {
            throw new IllegalArgumentException("Invalid PostgreSQL bit literal: " + value);
        }
        return value;
    }

    /**
     * Validate content of a \x... bytea hex literal.
     */
    public static String requireHexLiteral(String value) {
        if (value == null || !HEX_LITERAL_PATTERN.matcher(value).matches()) {
            throw new IllegalArgumentException("Invalid PostgreSQL bytea hex literal: " + value);
        }
        return value;
    }

    /**
     * Validate an option that must be one of the given enum constants (e.g. view check option).
     * Returns the canonical enum name.
     */
    public static <E extends Enum<E>> String requireEnumConstant(String value, E[] constants, String what) {
        for (E constant : constants) {
            if (constant.name().equalsIgnoreCase(StringUtils.trimToEmpty(value))) {
                return constant.name();
            }
        }
        throw new IllegalArgumentException("Invalid PostgreSQL " + what + ": " + value);
    }

    private static void scanDefaultExpression(String expression) {

View on GitHub (pinned to 5ee1e990e7)

Solutions

1. Provide an even-length hexadecimal string for the bytea literal, e.g. '\xDEADBEEF'.

When it happens

Trigger: A PostgreSQL bytea hex literal was malformed.

Common situations: See trigger scenarios.

AI-assisted analysis of OtterMind/Chat2DB@5ee1e990e7 (2026-08-14). Data as JSON: /api/errors/2fec095a76533d16. Report an issue: GitHub.