From 8ad9bfcf79b222cb6f8b6c783b0624d3a97e6d23 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 23 Jan 2024 10:37:50 +0100
Subject: [server] Tweak thrift call retry logic

---
 .../src/main/java/org/openslx/bwlp/sat/App.java              | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/App.java b/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/App.java
index 898f75e9..e88ed876 100644
--- a/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/App.java
+++ b/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/App.java
@@ -35,6 +35,7 @@ import org.openslx.bwlp.sat.thrift.cache.VirtualizerList;
 import org.openslx.bwlp.sat.util.Configuration;
 import org.openslx.bwlp.sat.util.Identity;
 import org.openslx.bwlp.sat.web.WebServer;
+import org.openslx.bwlp.thrift.iface.TAuthorizationException;
 import org.openslx.bwlp.thrift.iface.TInvalidTokenException;
 import org.openslx.sat.thrift.version.Version;
 import org.openslx.thrifthelper.ThriftManager;
@@ -97,16 +98,23 @@ public class App {
 
 		ThriftManager.setMasterErrorCallback(new ErrorCallback() {
 
+			/**
+			 * Return true to retry call, false otherwise.
+			 */
 			@Override
 			public boolean thriftError(int failCount, String method, Throwable t) {
+				// t == null means no connection could be established
 				if (failFastMethods.contains(method))
-					return false;
+					return t != null && failCount <= 1;
 				if (failCount > 2 || t == null) {
 					LOGGER.warn("Thrift Client error for " + method + ", FAIL.");
 					return false;
 				}
-				if (t instanceof TInvalidTokenException)
+				if ((t instanceof TInvalidTokenException)
+						|| (t instanceof TAuthorizationException)
+						|| !(t instanceof TException)) {
 					return false;
+				}
 				if (((TException) t).getCause() == null) {
 					LOGGER.info("Thrift error " + t.toString() + " for " + method + ", retrying...");
 				} else {
-- 
cgit v1.2.3-55-g7522