From f502f3f124de37be0615ee08b1bd83b9d33cd9aa Mon Sep 17 00:00:00 2001
From: Hiroshi Miura <miurahr@linux.com>
Date: Sun, 24 Nov 2024 21:46:40 +0900
Subject: [PATCH] fix: OmegaT failed to start when malformed jar in plugin
 folder (#1196)

- Fix BUGS#1276 OmegaT failed to start if there are 'jar' file w/o manifest in plugin folder

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
---
 src/org/omegat/filters2/master/PluginUtils.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/org/omegat/filters2/master/PluginUtils.java b/src/org/omegat/filters2/master/PluginUtils.java
index eef3e66036..a217f1b2d4 100644
--- a/src/org/omegat/filters2/master/PluginUtils.java
+++ b/src/org/omegat/filters2/master/PluginUtils.java
@@ -328,6 +328,10 @@ protected static List<URL> populatePluginUrlList(List<File> pluginsDirs) {
         for (URL url : urlList) {
             try (JarInputStream jarStream = new JarInputStream(url.openStream())) {
                 Manifest mf = jarStream.getManifest();
+                if (mf == null) {
+                    // mf can be null when a jar file does not have a manifest.
+                    continue;
+                }
                 String pluginClass = mf.getMainAttributes().getValue(OMEGAT_PLUGINS);
                 String oldPluginClass = mf.getMainAttributes().getValue(OMEGAT_PLUGIN);