Handle new Java class loader (fix #4130)

1 files changed, 11 insertions, 4 deletions

diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index c3a53f4b6..3d88b842d 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -103,10 +103,17 @@ public class DataManager {
 
             String driverFile = config.getString("database.driverFile");
             if (driverFile != null) {
-                URLClassLoader classLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
-                Method method = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
-                method.setAccessible(true);
-                method.invoke(classLoader, new File(driverFile).toURI().toURL());
+                ClassLoader classLoader = ClassLoader.getSystemClassLoader();
+                try {
+                    Method method = classLoader.getClass().getDeclaredMethod("addURL", URL.class);
+                    method.setAccessible(true);
+                    method.invoke(classLoader, new File(driverFile).toURI().toURL());
+                } catch (NoSuchMethodException e) {
+                    Method method = classLoader.getClass()
+                            .getDeclaredMethod("appendToClassPathForInstrumentation", String.class);
+                    method.setAccessible(true);
+                    method.invoke(classLoader, driverFile);
+                }
             }
 
             String driver = config.getString("database.driver");