From b731a2b1aa019a93d2d24fbc91bf4174d70ca0d7 Mon Sep 17 00:00:00 2001
From: Siedlerchr <siedlerkiller@gmail.com>
Date: Fri, 4 Oct 2019 15:36:01 +0200
Subject: [PATCH] workaround for CSL error

---
 .../java/org/jabref/logic/citationstyle/CitationStyle.java  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/main/java/org/jabref/logic/citationstyle/CitationStyle.java b/src/main/java/org/jabref/logic/citationstyle/CitationStyle.java
index f1ebe894836..05285948ccd 100644
--- a/src/main/java/org/jabref/logic/citationstyle/CitationStyle.java
+++ b/src/main/java/org/jabref/logic/citationstyle/CitationStyle.java
@@ -7,6 +7,7 @@
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.FileSystem;
+import java.nio.file.FileSystemAlreadyExistsException;
 import java.nio.file.FileSystems;
 import java.nio.file.Files;
 import java.nio.file.NoSuchFileException;
@@ -147,6 +148,11 @@ public static List<CitationStyle> discoverCitationStyles() {
                 try (FileSystem fs = FileSystems.newFileSystem(uri, Collections.emptyMap())) {
                     Path path = fs.getPath(STYLES_ROOT);
                     STYLES.addAll(discoverCitationStylesInPath(path));
+                } catch (FileSystemAlreadyExistsException e) {
+                    try (FileSystem fs = FileSystems.getFileSystem(uri)) {
+                        Path path = fs.getPath(STYLES_ROOT);
+                        STYLES.addAll(discoverCitationStylesInPath(path));
+                    }
                 }
             } else {
                 STYLES.addAll(discoverCitationStylesInPath(Paths.get(uri)));