From 64e6b703b7fa50a31dc0b73ec85230aa99c77bd5 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Wed, 22 Feb 2023 02:13:52 +0300
Subject: Switch to Tomcat and omit its exceptions from logs

---
 pom.xml                                    | 16 ----------------
 src/main/java/com/juick/www/api/Index.java | 20 +++++++++++++++++++-
 2 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/pom.xml b/pom.xml
index aa48b4db..16e4cc2b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,12 +35,6 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-web</artifactId>
-      <exclusions>
-        <exclusion>
-          <groupId>org.springframework.boot</groupId>
-          <artifactId>spring-boot-starter-tomcat</artifactId>
-        </exclusion>
-      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.springframework.boot</groupId>
@@ -71,16 +65,6 @@
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-json</artifactId>
     </dependency>
-    <dependency>
-      <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-starter-undertow</artifactId>
-      <exclusions>
-        <exclusion>
-          <groupId>io.undertow</groupId>
-          <artifactId>undertow-websockets-jsr</artifactId>
-        </exclusion>
-      </exclusions>
-    </dependency>
     <dependency>
       <groupId>com.squareup.okhttp3</groupId>
       <artifactId>okhttp</artifactId>
diff --git a/src/main/java/com/juick/www/api/Index.java b/src/main/java/com/juick/www/api/Index.java
index 7430c22d..1c990c65 100644
--- a/src/main/java/com/juick/www/api/Index.java
+++ b/src/main/java/com/juick/www/api/Index.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008-2021, Juick
+ * Copyright (C) 2008-2023, Juick
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
@@ -33,6 +33,7 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.context.request.NativeWebRequest;
 import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
 
+import java.io.IOException;
 import java.net.URI;
 
 /**
@@ -61,4 +62,21 @@ public class Index {
     public ResponseEntity<String> badRequest(final ConstraintViolationException exception) {
         return ResponseEntity.badRequest().body(exception.getMessage());
     }
+    @ExceptionHandler(IOException.class)
+    public ResponseEntity<String> handleAbortedConnection(final IOException ex)
+    {
+        // avoids compile/runtime dependency by using class name
+        if (ex.getClass().getName().equals("org.apache.catalina.connector.ClientAbortException"))
+        {
+            return null;
+        }
+
+        // log and return error page for any other IOExceptions
+        if (logger.isWarnEnabled())
+        {
+            logger.warn("IO Error", ex);
+        }
+
+        return ResponseEntity.badRequest().body(ex.getMessage());
+    }
 }
-- 
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