[maven] 01/01: [MNG-6999] create transformer inside thread

[rfscholte]

This is an automated email from the ASF dual-hosted git repository.

rfscholte pushed a commit to branch MNG-6999_racecondition
in repository https://gitbox.apache.org/repos/asf/maven.git

commit 487efc6e2d534c7941d6dc7b4461fb3e017f3243
Author: rfscholte <rfscho...@apache.org>
AuthorDate: Sun Nov 8 12:49:58 2020 +0100

    [MNG-6999] create transformer inside thread
---
 .../apache/maven/model/building/AbstractModelSourceTransformer.java  | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git 
a/maven-model-builder/src/main/java/org/apache/maven/model/building/AbstractModelSourceTransformer.java
 
b/maven-model-builder/src/main/java/org/apache/maven/model/building/AbstractModelSourceTransformer.java
index b4e8698..9ec2d9c 100644
--- 
a/maven-model-builder/src/main/java/org/apache/maven/model/building/AbstractModelSourceTransformer.java
+++ 
b/maven-model-builder/src/main/java/org/apache/maven/model/building/AbstractModelSourceTransformer.java
@@ -31,7 +31,6 @@ import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Consumer;
 
 import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.transform.Transformer;
 import javax.xml.transform.TransformerConfigurationException;
 import javax.xml.transform.TransformerException;
 import javax.xml.transform.TransformerFactory;
@@ -108,7 +107,6 @@ public abstract class AbstractModelSourceTransformer
             transformerHandler.setResult( new StreamResult( out ) );
         }
 
-        final Transformer transformer;
         final AbstractSAXFilter filter;
         try
         {
@@ -139,7 +137,6 @@ public abstract class AbstractModelSourceTransformer
                     throw exception;
                 }
             } );
-            transformer = transformerFactory.newTransformer();
         }
         catch ( TransformerConfigurationException | SAXException | 
ParserConfigurationException e )
         {
@@ -156,7 +153,7 @@ public abstract class AbstractModelSourceTransformer
         {
             try ( PipedOutputStream pos = pout )
             {
-                transformer.transform( transformSource, result );
+                transformerFactory.newTransformer().transform( 
transformSource, result );
             }
             catch ( TransformerException | IOException e )
             {