diff --git a/eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/resolver/MAPRFSVolumeResolver.java b/eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/resolver/MAPRFSVolumeResolver.java
index 28cb151c35..7a5ea4db09 100644
--- a/eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/resolver/MAPRFSVolumeResolver.java
+++ b/eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/resolver/MAPRFSVolumeResolver.java
@@ -114,9 +114,9 @@ public List<String> extractVolumeList(JSONObject response){
         JSONArray list = (JSONArray) response.get("data");
         for(int i = 0; i< list.length();i++ ){
             JSONObject element = (JSONObject) list.get(i);
-            result.add(element.getString("volumename"));
+            result.add(element.optString("volumename"));
         }
         return result;
     }
 
-}
\ No newline at end of file
+}
diff --git a/eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/rest/MapRNameResolver.java b/eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/rest/MapRNameResolver.java
index b8e7a20565..cf8be0f99d 100644
--- a/eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/rest/MapRNameResolver.java
+++ b/eagle-security/eagle-security-maprfs-web/src/main/java/org/apache/eagle/service/security/hdfs/rest/MapRNameResolver.java
@@ -62,7 +62,10 @@ private String extractVolumeId(JSONObject response){
         JSONArray list = (JSONArray) response.get("data");
         if(list.length()!=0) {
             JSONObject jsonObject = (JSONObject) list.get(0);
-            volumeId = jsonObject.getString("volumeid");
+            String string = jsonObject.optString("volumeid");
+            if (!string.isEmpty()) {
+                volumeId = string;
+            }
         }
         return volumeId;
     }
@@ -193,4 +196,4 @@ private Map<String, Object> getAppConfig(String site, String appType){
 
 
 
-}
\ No newline at end of file
+}
diff --git a/eagle-topology-check/eagle-topology-app/src/main/java/org/apache/eagle/topology/extractor/hdfs/HdfsTopologyEntityParser.java b/eagle-topology-check/eagle-topology-app/src/main/java/org/apache/eagle/topology/extractor/hdfs/HdfsTopologyEntityParser.java
index df6605d8f0..f5ca38eb0d 100644
--- a/eagle-topology-check/eagle-topology-app/src/main/java/org/apache/eagle/topology/extractor/hdfs/HdfsTopologyEntityParser.java
+++ b/eagle-topology-check/eagle-topology-app/src/main/java/org/apache/eagle/topology/extractor/hdfs/HdfsTopologyEntityParser.java
@@ -155,14 +155,21 @@ private void createAllJournalNodeEntities(JMXBean bean, long updateTime, Topolog
         }
         String jnInfoString = (String) bean.getPropertyMap().get(JN_TRANSACTION_INFO);
         JSONObject jsonObject = new JSONObject(jnInfoString);
-        long lastTxId = Long.parseLong(jsonObject.getString(LAST_TX_ID));
+        String lstIdStr = jsonObject.optString(LAST_TX_ID);
+        if (lstIdStr.isEmpty()) {
+            return;
+        }
+        long lastTxId = Long.parseLong(lstIdStr);
 
         String journalnodeString = (String) bean.getPropertyMap().get(JN_STATUS);
         JSONArray jsonArray = new JSONArray(journalnodeString);
         JSONObject jsonMap = (JSONObject) jsonArray.get(0);
 
         Map<String, HdfsServiceTopologyAPIEntity> journalNodesMap = new HashMap<>();
-        String manager = jsonMap.getString("manager");
+        String manager = jsonMap.optString("manager");
+        if (manager.isEmpty()) {
+            return;
+        }
         Pattern qjm = Pattern.compile(QJM_PATTERN);
         Matcher jpmMatcher = qjm.matcher(manager);
         while (jpmMatcher.find()) {
@@ -177,7 +184,7 @@ private void createAllJournalNodeEntities(JMXBean bean, long updateTime, Topolog
             return;
         }
 
-        String stream = jsonMap.getString("stream");
+        String stream = jsonMap.optString("stream");
         Pattern status = Pattern.compile(STATUS_PATTERN);
         Matcher statusMatcher = status.matcher(stream);
         long numLiveJournalNodes = 0;
@@ -288,4 +295,4 @@ public TopologyConstants.TopologyType getTopologyType() {
     public TopologyConstants.HadoopVersion getHadoopVersion() {
         return TopologyConstants.HadoopVersion.V2;
     }
-}
\ No newline at end of file
+}