From 6716f9e73634d62653863f61078eed11a4aca39e Mon Sep 17 00:00:00 2001
From: zhangdong <493738387@qq.com>
Date: Tue, 2 Jul 2024 23:01:15 +0800
Subject: [PATCH] [fix](mtmv)fix MTMVTask log has null pointer (#36840)
 (#37131)

pick https://github.com/apache/doris/pull/36840
---
 .../org/apache/doris/job/task/AbstractTask.java     | 13 +++++++++++++
 .../test/java/org/apache/doris/mtmv/MTMVTest.java   |  4 ++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/job/task/AbstractTask.java b/fe/fe-core/src/main/java/org/apache/doris/job/task/AbstractTask.java
index 25803085e9..3ccef940ca 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/job/task/AbstractTask.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/job/task/AbstractTask.java
@@ -192,4 +192,17 @@ public abstract class AbstractTask implements Task {
         return job;
     }
 
+    @Override
+    public String toString() {
+        return "AbstractTask{"
+                + "jobId=" + jobId
+                + ", taskId=" + taskId
+                + ", status=" + status
+                + ", createTimeMs=" + createTimeMs
+                + ", startTimeMs=" + startTimeMs
+                + ", finishTimeMs=" + finishTimeMs
+                + ", taskType=" + taskType
+                + ", errMsg='" + errMsg + '\''
+                + '}';
+    }
 }
diff --git a/fe/fe-core/src/test/java/org/apache/doris/mtmv/MTMVTest.java b/fe/fe-core/src/test/java/org/apache/doris/mtmv/MTMVTest.java
index f004124d50..64f0958beb 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/mtmv/MTMVTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/mtmv/MTMVTest.java
@@ -56,8 +56,8 @@ public class MTMVTest {
                 + "jobInfo=MTMVJobInfo{jobName='job1', "
                 + "historyTasks=[MTMVTask{dbId=0, mtmvId=0, taskContext=null, "
                 + "needRefreshPartitions=null, completedPartitions=null, refreshMode=null} "
-                + "AbstractTask(jobId=null, taskId=1, status=null, createTimeMs=null, startTimeMs=null, "
-                + "finishTimeMs=null, taskType=null, errMsg=null)]}, mvProperties={}, "
+                + "AbstractTask{jobId=null, taskId=1, status=null, createTimeMs=null, startTimeMs=null, "
+                + "finishTimeMs=null, taskType=null, errMsg='null'}]}, mvProperties={}, "
                 + "relation=MTMVRelation{baseTables=[], baseTablesOneLevel=[], baseViews=[]}, "
                 + "mvPartitionInfo=MTMVPartitionInfo{partitionType=null, relatedTable=null, "
                 + "relatedCol='null', partitionCol='null'}, "