fixing bug with concurrent modification, resolves #79

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.

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"

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);