Use a Stream to read files, might go OOM otherwise

Slight rewrite to be able to use a stream for deleting unused file
references, but still keep some of them (the last accessed ones)

1 files changed, 2 insertions, 1 deletions

diff --git a/configserver/src/main/java/com/yahoo/vespa/config/server/filedistribution/FileDistributionUtil.java b/configserver/src/main/java/com/yahoo/vespa/config/server/filedistribution/FileDistributionUtil.java
index 1fd842d03e5..c1de9b4e5f6 100644
--- a/configserver/src/main/java/com/yahoo/vespa/config/server/filedistribution/FileDistributionUtil.java
+++ b/configserver/src/main/java/com/yahoo/vespa/config/server/filedistribution/FileDistributionUtil.java
@@ -27,7 +27,8 @@ public class FileDistributionUtil {
     }
 
     public static boolean fileReferenceExistsOnDisk(File downloadDirectory, FileReference applicationPackageReference) {
-        return FileDistributionCleanup.getFileReferencesOnDisk(downloadDirectory).contains(applicationPackageReference.value());
+        return FileDistributionCleanup.getFileReferencesOnDisk(downloadDirectory.toPath())
+                                      .anyMatch(fileReference -> fileReference.equals(applicationPackageReference.value()));
     }
 
 }