Fix to immutable

mhyeon-lee · mhyeon-lee · commit 7d75c430b412 · 2026-02-21T19:56:00.000+09:00
diff --git a/server-common/src/main/java/io/a2a/server/agentexecution/RequestContext.java b/server-common/src/main/java/io/a2a/server/agentexecution/RequestContext.java
@@ -205,7 +205,7 @@ public List<Task> getRelatedTasks() {
      * @return the metadata, or null if not available
      */
     public @Nullable Map<String, Object> getMetadata() {
-        return params != null ? params.metadata() : null;
+        return (params != null && params.metadata() != null) ? Collections.unmodifiableMap(params.metadata()) : null;
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -205,7 +205,7 @@ public List<Task> getRelatedTasks() {`
`205`	`205`	`* @return the metadata, or null if not available`
`206`	`206`	`*/`
`207`	`207`	`public @Nullable Map<String, Object> getMetadata() {`
`208`		`- return params != null ? params.metadata() : null;`
	`208`	`+ return (params != null && params.metadata() != null) ? Collections.unmodifiableMap(params.metadata()) : null;`
`209`	`209`	`}`
`210`	`210`
`211`	`211`	`/**`