From 55e27c1167c9e903b1675f0b63aaf2033f575af0 Mon Sep 17 00:00:00 2001
From: galimru <galimovrf@gamil.com>
Date: Mon, 27 Jan 2020 21:15:04 +0400
Subject: [PATCH] added the fix to workaround openjdk bug which thrown internal
 error (ref #629)

---
 .../telegrambots/updatesreceivers/DefaultBotSession.java  | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/telegrambots/src/main/java/org/telegram/telegrambots/updatesreceivers/DefaultBotSession.java b/telegrambots/src/main/java/org/telegram/telegrambots/updatesreceivers/DefaultBotSession.java
index 0f9f6334..94e83313 100644
--- a/telegrambots/src/main/java/org/telegram/telegrambots/updatesreceivers/DefaultBotSession.java
+++ b/telegrambots/src/main/java/org/telegram/telegrambots/updatesreceivers/DefaultBotSession.java
@@ -274,6 +274,14 @@ public class DefaultBotSession implements BotSession {
             } catch (InterruptedException e) {
                 log.info(e.getLocalizedMessage(), e);
                 interrupt();
+            } catch (InternalError e) {
+                // handle InternalError to workaround OpenJDK bug (resolved since 13.0)
+                // https://bugs.openjdk.java.net/browse/JDK-8173620
+                Throwable cause = e.getCause();
+                if (cause instanceof IOException) {
+                    log.error(e.getLocalizedMessage(), e);
+                }
+                throw e;
             }
             return Collections.emptyList();
         }