Fix ChromaApi Http Server/Client exception message check

Signed-off-by: Ilayaperumal Gopinathan <[email protected]>

Author: ilayaperumalg

vector-stores/spring-ai-chroma-store/src/main/java/org/springframework/ai/chroma/vectorstore/ChromaApi.java

@@ -228,7 +228,9 @@ public Collection getCollection(String tenantName, String databaseName, String c
 		}
 		catch (HttpServerErrorException | HttpClientErrorException e) {
 			String msg = this.getErrorMessage(e);
-			if (String.format("Collection [%s] does not exist", collectionName).equals(msg)) {
+			// Handle both "does not exist" and "does not exists" variants from Chroma API
+			if (String.format("Collection [%s] does not exist", collectionName).equals(msg)
+					|| String.format("Collection [%s] does not exists", collectionName).equals(msg)) {
 				return null;
 			}
 			throw new RuntimeException(msg, e);