From: Colin Watson <cjwatson@debian.org>
Date: Wed, 3 Sep 2025 20:41:54 +0100
Subject: Look for system-installed org.jpype.jar

Bug-Debian: https://bugs.debian.org/1017761
Last-Update: 2025-09-03
---
 jpype/_core.py | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/jpype/_core.py b/jpype/_core.py
index 61b44a9..8afe70e 100644
--- a/jpype/_core.py
+++ b/jpype/_core.py
@@ -298,11 +298,18 @@ def startJVM(
 #        extra_jvm_args += ['--module-path=%s'%mp ]
 
     # Get the support library
-    support_lib = os.path.join(os.path.dirname(
-        os.path.dirname(__file__)), "org.jpype.jar")
-    if not os.path.exists(support_lib):
+    support_lib_paths = [
+        os.path.join(os.path.dirname(
+            os.path.dirname(__file__)), "org.jpype.jar"),
+        "/usr/share/java/org.jpype.jar",
+    ]
+    for support_lib in support_lib_paths:
+        if os.path.exists(support_lib):
+            break
+    else:
         raise RuntimeError(
-            "Unable to find org.jpype.jar support library at " + support_lib)
+            "Unable to find org.jpype.jar support library in " +
+            str(support_lib_paths))
 
     system_class_loader = _getOption(
         jvm_args, "-Djava.system.class.loader", keep=True)