From 04eba90949a674cff21756ade74d9fef3f4878c5 Mon Sep 17 00:00:00 2001
From: T Jake Luciani <jake@apache.org>
Date: Wed, 27 May 2015 16:15:06 -0400
Subject: [PATCH] Fix potential StackOverflow when setting CrcCheckChance over
 JMX

Patch by tjake; reviewed by Ariel Weisberg for CASSANDRA-9488
---
 CHANGES.txt                                                     | 1 +
 .../org/apache/cassandra/io/compress/CompressionParameters.java | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGES.txt b/CHANGES.txt
index 054cf79553..58f3c53d9f 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 2.0.16:
+ * Fix potential StackOverflow when setting CrcCheckChance over JMX (CASSANDRA-9488)
  * Fix null static columns in pages after the first, paged reversed
    queries (CASSANDRA-8502)
  * Fix failing bound statement after adding a collection (CASSANDRA-9411)
diff --git a/src/java/org/apache/cassandra/io/compress/CompressionParameters.java b/src/java/org/apache/cassandra/io/compress/CompressionParameters.java
index cf167116f3..2ca99f5e4c 100644
--- a/src/java/org/apache/cassandra/io/compress/CompressionParameters.java
+++ b/src/java/org/apache/cassandra/io/compress/CompressionParameters.java
@@ -116,7 +116,7 @@ public class CompressionParameters
         validateCrcCheckChance(crcCheckChance);
         this.crcCheckChance = crcCheckChance;
 
-        if (liveMetadata != null)
+        if (liveMetadata != null && this != liveMetadata.compressionParameters)
             liveMetadata.compressionParameters.setCrcCheckChance(crcCheckChance);
     }