spring-projects/spring-framework · error · BeanInitializationException

Could not process key '{}' in PropertyOverrideConfigurer

Error message

Could not process key '{}' in PropertyOverrideConfigurer

What it means

Error "Could not process key '{}' in PropertyOverrideConfigurer" thrown in spring-projects/spring-framework.

Source

Thrown at spring-beans/src/main/java/org/springframework/beans/factory/config/PropertyOverrideConfigurer.java:115

	 */
	public void setIgnoreInvalidKeys(boolean ignoreInvalidKeys) {
		this.ignoreInvalidKeys = ignoreInvalidKeys;
	}


	@Override
	protected void processProperties(ConfigurableListableBeanFactory beanFactory, Properties props)
			throws BeansException {

		for (Enumeration<?> names = props.propertyNames(); names.hasMoreElements();) {
			String key = (String) names.nextElement();
			try {
				processKey(beanFactory, key, props.getProperty(key));
			}
			catch (BeansException ex) {
				String msg = "Could not process key '" + key + "' in PropertyOverrideConfigurer";
				if (!this.ignoreInvalidKeys) {
					throw new BeanInitializationException(msg, ex);
				}
				if (logger.isDebugEnabled()) {
					logger.debug(msg, ex);
				}
			}
		}
	}

	/**
	 * Process the given key as 'beanName.property' entry.
	 */
	protected void processKey(ConfigurableListableBeanFactory factory, String key, String value)
			throws BeansException {

		int separatorIndex = key.indexOf(this.beanNameSeparator);
		if (separatorIndex == -1) {
			throw new BeanInitializationException("Invalid key '" + key +
					"': expected 'beanName" + this.beanNameSeparator + "property'");

View on GitHub (pinned to e8729d0438)

When it happens

Trigger: Thrown at spring-beans/src/main/java/org/springframework/beans/factory/config/PropertyOverrideConfigurer.java:115 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of spring-projects/spring-framework@e8729d0438 (2026-08-04). Data as JSON: /data/errors/51ce85e822f8b798.json. Report an issue: GitHub.