hibernate/hibernate-orm · error · UnsupportedOperationException

Registering lock modes should only be done for result set ma

Error message

Registering lock modes should only be done for result set mappings

What it means

Error "Registering lock modes should only be done for result set mappings" thrown in hibernate/hibernate-orm.

Source

Thrown at hibernate-core/src/main/java/org/hibernate/loader/ast/internal/LoaderSqlAstCreationState.java:177

	@Override
	public SqlAliasBaseGenerator getSqlAliasBaseGenerator() {
		return sqlAliasBaseManager;
	}

	@Override
	public LoadQueryInfluencers getLoadQueryInfluencers() {
		return loadQueryInfluencers;
	}

	@Override
	public boolean applyOnlyLoadByKeyFilters() {
		return true;
	}

	@Override
	public void registerLockMode(String identificationVariable, LockMode explicitLockMode) {
		throw new UnsupportedOperationException( "Registering lock modes should only be done for result set mappings" );
	}

	@Override
	public ImmutableFetchList visitFetches(FetchParent fetchParent) {
		return fetchProcessor.visitFetches( fetchParent, this );
	}

	@Override
	public <R> R withNestedFetchParent(FetchParent fetchParent, Function<FetchParent, R> action) {
		final var nestingFetchParent = processingState.getNestingFetchParent();
		processingState.setNestingFetchParent( fetchParent );
		final R result = action.apply( fetchParent );
		processingState.setNestingFetchParent( nestingFetchParent );
		return result;
	}

	@Override
	public boolean isResolvingCircularFetch() {

View on GitHub (pinned to fad1729dce)

Solutions

1. Only apply lock modes on result set mappings, not on scalar/other result types; adjust the native query lock mode registration.

When it happens

Trigger: Thrown at hibernate-core/src/main/java/org/hibernate/loader/ast/internal/LoaderSqlAstCreationState.java:177 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of hibernate/hibernate-orm@fad1729dce (2026-08-22). Data as JSON: /api/errors/9952943e99588c0f. Report an issue: GitHub.