Improve logging when bean validation is not available

Closes #9464

2 files changed, 6 insertions, 4 deletions

diff --git a/server/src/main/java/com/vaadin/data/BeanValidationBinder.java b/server/src/main/java/com/vaadin/data/BeanValidationBinder.java
index e125bc9862..c358d64ae6 100644
--- a/server/src/main/java/com/vaadin/data/BeanValidationBinder.java
+++ b/server/src/main/java/com/vaadin/data/BeanValidationBinder.java
@@ -54,7 +54,7 @@ public class BeanValidationBinder<BEAN> extends Binder<BEAN> {
             throw new IllegalStateException(
                     BeanValidationBinder.class.getSimpleName()
                             + " cannot be used because a JSR-303 Bean Validation "
-                            + "implementation not found on the classpath. Use "
+                            + "implementation not found on the classpath or could not be initialized. Use "
                             + Binder.class.getSimpleName() + " instead");
         }
         this.beanType = beanType;
diff --git a/server/src/main/java/com/vaadin/data/util/BeanUtil.java b/server/src/main/java/com/vaadin/data/util/BeanUtil.java
index 2a6fb4834e..a80eb8b151 100644
--- a/server/src/main/java/com/vaadin/data/util/BeanUtil.java
+++ b/server/src/main/java/com/vaadin/data/util/BeanUtil.java
@@ -24,6 +24,7 @@ import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import com.vaadin.data.validator.BeanValidator;
@@ -236,10 +237,11 @@ public final class BeanUtil implements Serializable {
                 return true;
             } catch (ClassNotFoundException | NoSuchMethodException
                     | InvocationTargetException e) {
-                Logger.getLogger(BeanValidator.class.getName())
-                        .fine("A JSR-303 bean validation implementation not found on the classpath. "
+                Logger.getLogger(BeanValidator.class.getName()).log(Level.INFO,
+                        "A JSR-303 bean validation implementation not found on the classpath or could not be initialized. "
                                 + BeanValidator.class.getSimpleName()
-                                + " cannot be used.");
+                                + " cannot be used.",
+                        e);
                 return false;
             } catch (IllegalAccessException | IllegalArgumentException e) {
                 throw new RuntimeException(