From 5c8ea147b138192620c370518d7dc527d73bacfb Mon Sep 17 00:00:00 2001
From: GoGoWen <82132356+GoGoWen@users.noreply.github.com>
Date: Fri, 19 Aug 2022 21:31:58 +0800
Subject: [PATCH] [Bugfix](FE) fix npe issue when exec 'show tablets' #11896

---
 .../org/apache/doris/common/proc/TabletsProcDir.java | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/common/proc/TabletsProcDir.java b/fe/fe-core/src/main/java/org/apache/doris/common/proc/TabletsProcDir.java
index 71a355c59c..79fc9fd4b1 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/common/proc/TabletsProcDir.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/common/proc/TabletsProcDir.java
@@ -120,16 +120,20 @@ public class TabletsProcDir implements ProcDirInterface {
                         tabletInfo.add(tablet.getCheckedVersion());
                         tabletInfo.add(replica.getVersionCount());
                         tabletInfo.add(replica.getPathHash());
+
+                        Backend be = backendMap.get(replica.getBackendId());
+                        String host = (be == null ? Backend.DUMMY_IP : be.getHost());
+                        int port = (be == null ? 0 : be.getHttpPort());
                         String metaUrl = String.format("http://%s:%d/api/meta/header/%d",
-                                backendMap.get(replica.getBackendId()).getHost(),
-                                backendMap.get(replica.getBackendId()).getHttpPort(),
+                                host,
+                                port,
                                 tabletId,
                                 replica.getSchemaHash());
                         tabletInfo.add(metaUrl);
                         String compactionUrl = String.format(
                                 "http://%s:%d/api/compaction/show?tablet_id=%d",
-                                backendMap.get(replica.getBackendId()).getHost(),
-                                backendMap.get(replica.getBackendId()).getHttpPort(),
+                                host,
+                                port,
                                 tabletId,
                                 replica.getSchemaHash());
                         tabletInfo.add(compactionUrl);