From 24550a3e346d526569e6520707e400044d92ef4a Mon Sep 17 00:00:00 2001
From: David Estes <davydotcom@gmail.com>
Date: Wed, 16 Oct 2024 09:27:09 -0400
Subject: [PATCH] fixing bug with concurrent modification, resolves #79

---
 README.md                                                  | 4 +++-
 build.gradle                                               | 2 +-
 src/main/java/com/bertramlabs/plugins/hcl4j/HCLParser.java | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 9c6f30f..6e6ffa9 100644
--- a/README.md
+++ b/README.md
@@ -16,12 +16,14 @@ Using gradle one can include the hcl4j dependency like so:
 
 ```groovy
 dependencies {
-	compile "com.bertramlabs.plugins:hcl4j:0.9.1"
+	compile "com.bertramlabs.plugins:hcl4j:0.9.4"
 }
 ```
 
 ## What's New
 
+* **0.9.4** Fixing concurrent modification exception on data lookup
+* **0.9.3** Added missing methods for array manipulation such as flatten and try
 * **0.9.1** Remove annoying Nested Map Debug Log
 * **0.9.0** HCL Tuple for loop nested improvements. String escapes fixed. anytrue and alltrue methods added.
 * **0.8.0** HCL For Loop Tuples now evaluated.
diff --git a/build.gradle b/build.gradle
index 20b4e83..0750434 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,7 +30,7 @@ ext {
 
 
 group = 'com.bertramlabs.plugins'
-version = '0.9.3'
+version = '0.9.4'
 
 ext.isReleaseVersion = !version.endsWith("SNAPSHOT")
 sourceCompatibility = "1.8"
diff --git a/src/main/java/com/bertramlabs/plugins/hcl4j/HCLParser.java b/src/main/java/com/bertramlabs/plugins/hcl4j/HCLParser.java
index b572be3..11600bd 100644
--- a/src/main/java/com/bertramlabs/plugins/hcl4j/HCLParser.java
+++ b/src/main/java/com/bertramlabs/plugins/hcl4j/HCLParser.java
@@ -335,7 +335,7 @@ public Map<String, Object> parse(Reader reader, Boolean ignoreParserExceptions)
 				intermediateHclParserExceptionHandling(() -> processSymbolPass2(result.get("data"), result), ignoreParserExceptions);
 
 			}
-			for (String key : result.keySet()) {
+			for (String key : result.keySet().toArray(new String[0])) {
 				intermediateHclParserExceptionHandling(() -> {
 					if (!Objects.equals(key, "variable") && !Objects.equals(key, "data") && !Objects.equals(key, "locals")) {
 						processSymbolPass2(result.get(key), result);