From d58ebb8b71c207e0bcedcf14b67ed92efc9b5bd5 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 21 Mar 2022 17:44:07 +0100
Subject: [client] Install default thread exception handler

---
 .../src/main/java/org/openslx/dozmod/App.java          | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/App.java b/dozentenmodul/src/main/java/org/openslx/dozmod/App.java
index e7242a6f..36ea083b 100755
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/App.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/App.java
@@ -134,6 +134,14 @@ public class App {
 					MessageType.ERROR, LOGGER, e);
 			return;
 		}
+		
+		// Do this early on, before we start fiddling with threads
+		Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
+			@Override
+			public void uncaughtException(Thread t, Throwable e) {
+				LOGGER.warn("Uncaught Exception in thread " + t.getName(), e);
+			}
+		});
 
 		final String logFilePath = setupFileLogger();
 		AppUtil.logHeader(LOGGER, Branding.getApplicationName(), App.class.getPackage().getImplementationVersion());
@@ -247,7 +255,15 @@ public class App {
 			ThriftManager.setMasterServerAddress(null, host, port, THRIFT_TIMEOUT_MS);
 		}
 
-		// Setup global thrift connection error handler and then open the GUI
+		// Now change the default exception handler to the GUI one
+		Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
+			@Override
+			public void uncaughtException(Thread t, Throwable e) {
+				Gui.asyncMessageBox(I18n.APP.getString("App.Message.warning.uncaughtException", t.getName()),
+						MessageType.WARNING, LOGGER, e);
+			}
+		});
+		// Setup GUI thread exception handler and then open the GUI
 		SwingUtilities.invokeLater(new Runnable() {
 			@Override
 			public void run() {
-- 
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