keycloak-aplcache

diff --git a/adapters/saml/core/src/main/java/org/keycloak/adapters/saml/descriptor/parsers/SamlDescriptorIDPKeysExtractor.java b/adapters/saml/core/src/main/java/org/keycloak/adapters/saml/descriptor/parsers/SamlDescriptorIDPKeysExtractor.java
index 0858675..b8d5d66 100644
--- a/adapters/saml/core/src/main/java/org/keycloak/adapters/saml/descriptor/parsers/SamlDescriptorIDPKeysExtractor.java
+++ b/adapters/saml/core/src/main/java/org/keycloak/adapters/saml/descriptor/parsers/SamlDescriptorIDPKeysExtractor.java
@@ -34,6 +34,7 @@ import org.keycloak.common.util.MultivaluedHashMap;
 import org.keycloak.saml.common.constants.JBossSAMLConstants;
 import org.keycloak.saml.common.constants.JBossSAMLURIConstants;
 import org.keycloak.saml.common.exceptions.ParsingException;
+import org.keycloak.saml.common.util.DocumentUtil;
 import org.keycloak.saml.processing.core.util.NamespaceContext;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
@@ -65,9 +66,7 @@ public class SamlDescriptorIDPKeysExtractor {
         MultivaluedHashMap<String, KeyInfo> res = new MultivaluedHashMap<>();
 
         try {
-            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
-            factory.setNamespaceAware(true);
-            DocumentBuilder builder = factory.newDocumentBuilder();
+            DocumentBuilder builder = DocumentUtil.getDocumentBuilder();
             Document doc = builder.parse(stream);
 
             XPathExpression expr = xpath.compile("/m:EntitiesDescriptor/m:EntityDescriptor/m:IDPSSODescriptor/m:KeyDescriptor");

diff --git a/saml-core/src/main/java/org/keycloak/saml/common/util/DocumentUtil.java b/saml-core/src/main/java/org/keycloak/saml/common/util/DocumentUtil.java
index f516124..7177322 100755
--- a/saml-core/src/main/java/org/keycloak/saml/common/util/DocumentUtil.java
+++ b/saml-core/src/main/java/org/keycloak/saml/common/util/DocumentUtil.java
@@ -511,7 +511,7 @@ public class DocumentUtil {
 
     };
 
-    private static DocumentBuilder getDocumentBuilder() throws ParserConfigurationException {
+    public static DocumentBuilder getDocumentBuilder() throws ParserConfigurationException {
         DocumentBuilder res = XML_DOCUMENT_BUILDER.get();
         res.reset();
         return res;