HHH-15142 CriteriaQuery with Like predicate fails when repeated with java.lang.IllegalArgumentException: Parameter value [] did not match expected type [java.lang.String (n/a)]

Author: dreab8

hibernate-core/src/main/java/org/hibernate/query/criteria/internal/compile/CriteriaCompiler.java

@@ -94,7 +94,7 @@ public Stack<FunctionExpression> getFunctionStack() {
 			public ExplicitParameterInfo registerExplicitParameter(ParameterExpression<?> criteriaQueryParameter) {
 				ExplicitParameterInfo parameterInfo = explicitParameterInfoMap.get( criteriaQueryParameter );
 				if ( parameterInfo == null ) {
-					if ( StringHelper.isNotEmpty( criteriaQueryParameter.getName() ) ) {
+					if ( StringHelper.isNotEmpty( criteriaQueryParameter.getName() ) && !( (ParameterExpressionImpl) criteriaQueryParameter ).isNameGenerated() ) {
 						parameterInfo = new ExplicitParameterInfo(
 								criteriaQueryParameter.getName(),
 								null,
@@ -109,9 +109,8 @@ else if ( criteriaQueryParameter.getPosition() != null ) {
 						);
 					}
 					else {
-						final String name = generateParameterName();
 						parameterInfo = new ExplicitParameterInfo(
-								name,
+								generateParameterName(),
 								null,
 								criteriaQueryParameter.getJavaType()
 						);

hibernate-core/src/main/java/org/hibernate/query/criteria/internal/expression/ParameterExpressionImpl.java

@@ -25,6 +25,7 @@ public class ParameterExpressionImpl<T>
 		implements ParameterExpression<T>, Serializable {
 	private String name;
 	private final Integer position;
+	private boolean isNameGenerated;
 
 	public ParameterExpressionImpl(
 			CriteriaBuilderImpl criteriaBuilder,
@@ -57,6 +58,10 @@ public String getName() {
 		return name;
 	}
 
+	public boolean isNameGenerated() {
+		return isNameGenerated;
+	}
+
 	@Override
 	public Integer getPosition() {
 		return position;
@@ -76,6 +81,7 @@ public void registerParameters(ParameterRegistry registry) {
 	public String render(RenderingContext renderingContext) {
 		final ExplicitParameterInfo parameterInfo = renderingContext.registerExplicitParameter( this );
 		if ( name == null && position == null ) {
+			isNameGenerated = true;
 			name = parameterInfo.getName();
 		}
 		return parameterInfo.render();