Merge pull request #12411 from jetty/jetty-12.0.x-concurrency-distro-…

…test

concurrency issue unzipping file, need to catch FileSystemAlreadyExistsException

tests/jetty-testers/src/main/java/org/eclipse/jetty/tests/testers/JettyHomeTester.java

@@ -20,6 +20,7 @@
 import java.nio.file.CopyOption;
 import java.nio.file.FileAlreadyExistsException;
 import java.nio.file.FileSystem;
+import java.nio.file.FileSystemAlreadyExistsException;
 import java.nio.file.FileSystems;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -261,7 +262,7 @@ public static void unzip(Path archive, Path outputDir) throws IOException
                 }
             }
         }
-        catch (FileAlreadyExistsException e)
+        catch (FileAlreadyExistsException | FileSystemAlreadyExistsException e)
         {
             LOG.warn("ignore FileAlreadyExistsException: archiveURI {}, outputDir {}", archiveURI, outputDir);
         }