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elastic · May 24, 2019 · 71f6aa1 · 71f6aa1
1 parent 0e956ae
commit 71f6aa1
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/...c/main/java/org/elasticsearch/action/admin/cluster/snapshots/get/GetSnapshotsRequest.java b/...c/main/java/org/elasticsearch/action/admin/cluster/snapshots/get/GetSnapshotsRequest.java
@@ -89,6 +89,10 @@ public void writeTo(StreamOutput out) throws IOException {
         if (out.getVersion().onOrAfter(MULTIPLE_REPOSITORIES_SUPPORT_ADDED)) {
             out.writeStringArray(repositories);
         } else {
+            if (repositories.length != 1) {
+                throw new IllegalArgumentException("Requesting snapshots from multiple repositories is not supported in versions prior " +
+                        "to " + MULTIPLE_REPOSITORIES_SUPPORT_ADDED.toString());
+            }
             out.writeString(repositories[0]);
         }
         out.writeStringArray(snapshots);

diff --git a/.../main/java/org/elasticsearch/action/admin/cluster/snapshots/get/GetSnapshotsResponse.java b/.../main/java/org/elasticsearch/action/admin/cluster/snapshots/get/GetSnapshotsResponse.java
@@ -208,7 +208,8 @@ public void writeTo(StreamOutput out) throws IOException {
             }
         } else {
             if (successfulResponses.size() + failedResponses.size() != 1) {
-                throw new IllegalArgumentException("snapshots from more than one repository are requested");
+                throw new IllegalArgumentException("Requesting snapshots from multiple repositories is not supported in versions prior " +
+                        "to " + GetSnapshotsRequest.MULTIPLE_REPOSITORIES_SUPPORT_ADDED.toString());
             }
 
             if (successfulResponses.size() == 1) {