From c568a7cae254cfbfed52e460b0aa5d78c6d7508e Mon Sep 17 00:00:00 2001
From: myk <myk@cardforge.org>
Date: Sun, 10 Mar 2013 21:39:26 +0000
Subject: [PATCH] truncate stack overflow error traces so the resulting
 messages aren't too long to post

---
 src/main/java/forge/error/BugReporter.java | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/main/java/forge/error/BugReporter.java b/src/main/java/forge/error/BugReporter.java
index 5a3c91908b3..002a1dc15c4 100644
--- a/src/main/java/forge/error/BugReporter.java
+++ b/src/main/java/forge/error/BugReporter.java
@@ -65,6 +65,8 @@ import forge.properties.NewConstants;
  * @version V1.0 02.08.2009
  */
 public class BugReporter {
+    private static final int _STACK_OVERFLOW_MAX_MESSAGE_LEN = 16 * 1024;
+
     /**
      * Shows exception information in a format ready to post to the forum as a crash report.  Uses the exception's message
      * as the reason if message is null.
@@ -90,7 +92,17 @@ public class BugReporter {
         StringWriter sw = new StringWriter();
         PrintWriter pw = new PrintWriter(sw);
         ex.printStackTrace(pw);
-        sb.append(sw.toString());
+
+        String swStr = sw.toString();
+        if (ex instanceof StackOverflowError &&
+                _STACK_OVERFLOW_MAX_MESSAGE_LEN <= swStr.length()) {
+            // most likely a cycle.  only take first portion so the message
+            // doesn't grow too large to post
+            sb.append(swStr, 0, _STACK_OVERFLOW_MAX_MESSAGE_LEN);
+            sb.append("\n... (truncated)");
+        } else {
+            sb.append(swStr);
+        }
         
         _buildSpoilerFooter(sb);