9fe3ee7eb0609602b62cf2416186275387381275,xwiki-platform-core/xwiki-platform-extension/xwiki-platform-extension-handlers/xwiki-platform-extension-handler-xar/src/main/java/org/xwiki/extension/xar/internal/handler/packager/xml/DocumentImporterHandler.java,DocumentImporterHandler,saveAttachment,#XWikiAttachment#String#,317
Before Change
// Set proper author
XWikiDocument document = getDocument();
document.setAuthorReference(getUserReference(context));
attachment.setAuthor(getUserString(context));
XWikiDocument dbDocument = getDatabaseDocument();
After Change
XWikiDocument document = getDocument();
// Set proper author
DocumentReference userReference = getUserReference(context);
if (userReference != null) {
document.setAuthorReference(userReference);
attachment.setAuthor(getUserString(context));
}