YARN-10701. The yarn.resource-types should support multi types without trimmed. Contributed by Qi Zhu.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceUtils.java

@@ -251,7 +251,8 @@ public class ResourceUtils {
   private static Map<String, ResourceInformation> getResourceInformationMapFromConfig(
       Configuration conf) {
     Map<String, ResourceInformation> resourceInformationMap = new HashMap<>();
-    String[] resourceNames = conf.getStrings(YarnConfiguration.RESOURCE_TYPES);
+    String[] resourceNames =
+        conf.getTrimmedStrings(YarnConfiguration.RESOURCE_TYPES);
 
     if (resourceNames != null && resourceNames.length != 0) {
       for (String resourceName : resourceNames) {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/resource-types-test.xml

@@ -17,6 +17,6 @@
 <configuration>
     <property>
         <name>yarn.resource-types</name>
-        <value>yarn.io/gpu</value>
+        <value>yarn.io/gpu, yarn.io/fpga</value>
     </property>
 </configuration>