Don't require EL

bean-validation/runtime/pom.xml

@@ -21,10 +21,6 @@
             <groupId>org.hibernate.validator</groupId>
             <artifactId>hibernate-validator</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.glassfish.web</groupId>
-            <artifactId>el-impl</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.jboss.graalvm</groupId>
             <artifactId>graal-annotations</artifactId>

bean-validation/runtime/src/main/java/org/jboss/shamrock/beanvalidation/runtime/ValidatorProvider.java

@@ -1,12 +1,17 @@
 package org.jboss.shamrock.beanvalidation.runtime;
 
+import java.lang.reflect.Method;
+
 import javax.annotation.PostConstruct;
 import javax.enterprise.context.ApplicationScoped;
 import javax.enterprise.inject.Produces;
+import javax.validation.Configuration;
 import javax.validation.Validation;
 import javax.validation.Validator;
 import javax.validation.ValidatorFactory;
 
+import org.hibernate.validator.messageinterpolation.ParameterMessageInterpolator;
+
 @ApplicationScoped
 public class ValidatorProvider {
 
@@ -14,7 +19,16 @@ public class ValidatorProvider {
 
     @PostConstruct
     public void setup() {
-        factory = Validation.buildDefaultValidatorFactory();
+        Configuration<?> configure = Validation.byDefaultProvider().configure();
+        try {
+            Class<?> cl = Class.forName("javax.el.ELManager");
+            Method method = cl.getDeclaredMethod("getExpressionFactory");
+            method.invoke(null);
+        } catch (Throwable t) {
+            //if EL is not on the class path we use the parameter message interpolator
+            configure.messageInterpolator(new ParameterMessageInterpolator());
+        }
+        factory = configure.buildValidatorFactory();
     }
 
     @Produces

bean-validation/runtime/src/main/java/org/jboss/shamrock/beanvalidation/runtime/graal/ConfigurationImplSubstitution.java

@@ -0,0 +1,50 @@
+package org.jboss.shamrock.beanvalidation.runtime.graal;
+
+import java.util.function.Predicate;
+
+import javax.validation.MessageInterpolator;
+
+import org.hibernate.validator.internal.engine.ConfigurationImpl;
+import org.hibernate.validator.messageinterpolation.ParameterMessageInterpolator;
+
+import com.oracle.svm.core.annotate.Alias;
+import com.oracle.svm.core.annotate.Substitute;
+import com.oracle.svm.core.annotate.TargetClass;
+import com.oracle.svm.core.annotate.TargetElement;
+
+@TargetClass(ConfigurationImpl.class)
+final class ConfigurationImplSubstitution {
+
+    @Alias
+    private MessageInterpolator defaultMessageInterpolator;
+
+    @Substitute
+    @TargetElement(onlyWith = ElPredicate.class)
+    public final MessageInterpolator getDefaultMessageInterpolator() {
+        if (defaultMessageInterpolator == null) {
+            defaultMessageInterpolator = new ParameterMessageInterpolator();
+        }
+
+        return defaultMessageInterpolator;
+    }
+
+    @Substitute
+    @TargetElement(onlyWith = ElPredicate.class)
+    private MessageInterpolator getDefaultMessageInterpolatorConfiguredWithClassLoader() {
+        return new ParameterMessageInterpolator();
+    }
+
+
+    static class ElPredicate implements Predicate<Class<?>> {
+
+        @Override
+        public boolean test(Class<?> o) {
+            try {
+                Class.forName("com.sun.el.ExpressionFactoryImpl");
+                return false;
+            } catch (Throwable t) {
+            }
+            return true;
+        }
+    }
+}

pom.xml

@@ -50,7 +50,6 @@
         <classmate.version>1.3.4</classmate.version>
         <javax.el-impl.version>3.0.1.b08-redhat-1</javax.el-impl.version>
         <hibernate-validator.version>6.0.7.Final</hibernate-validator.version>
-        <el-impl.version>2.2</el-impl.version>
     </properties>
 
     <modules>
@@ -373,17 +372,6 @@
                 <artifactId>fakereplace</artifactId>
                 <version>${fakereplace.version}</version>
             </dependency>
-            <dependency>
-                <groupId>org.glassfish</groupId>
-                <artifactId>javax.el-impl</artifactId>
-                <version>${javax.el-impl.version}</version>
-                <exclusions>
-                    <exclusion>
-                        <groupId>org.glassfish</groupId>
-                        <artifactId>javax.el-api</artifactId>
-                    </exclusion>
-                </exclusions>
-            </dependency>
             <dependency>
                 <groupId>org.glassfish</groupId>
                 <artifactId>javax.json</artifactId>