Why the sqoop export job failed?

I am trying to run sqoop export to mysql table which I already created. Not sure why this job failed and please help!
sqoop export \

–connect jdbc:mysql://ms.itversity.com:3306/retail_export
–username retail_user
–password itversity
–export-dir “/user/wenhuishi/cloudera/problem1/result4a-csv”
–table wenhuishi_problem1_result
19/09/28 11:45:42 INFO sqoop.Sqoop: Running Sqoop version: 1.4.6.2.6.5.0-292
19/09/28 11:45:42 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead.
19/09/28 11:45:42 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset.
19/09/28 11:45:42 INFO tool.CodeGenTool: Beginning code generation
19/09/28 11:45:43 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM wenhuishi_problem1_result AS t LIMIT 1
19/09/28 11:45:43 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM wenhuishi_problem1_result AS t LIMIT 1
19/09/28 11:45:43 INFO orm.CompilationManager: HADOOP_MAPRED_HOME is /usr/hdp/2.6.5.0-292/hadoop-mapreduce
Note: /tmp/sqoop-wenhuishi/compile/53e3f2676bb877d29fc3fb878eadeab4/wenhuishi_problem1_result.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
19/09/28 11:45:45 INFO orm.CompilationManager: Writing jar file: /tmp/sqoop-wenhuishi/compile/53e3f2676bb877d29fc3fb878eadeab4/wenhuishi_problem1_result.jar
19/09/28 11:45:45 INFO mapreduce.ExportJobBase: Beginning export of wenhuishi_problem1_result
19/09/28 11:45:47 INFO client.RMProxy: Connecting to ResourceManager at rm01.itversity.com/172.16.1.106:8050
19/09/28 11:45:48 INFO client.AHSProxy: Connecting to Application History server at rm01.itversity.com/172.16.1.106:10200
19/09/28 11:45:55 INFO input.FileInputFormat: Total input paths to process : 1
19/09/28 11:45:55 INFO input.FileInputFormat: Total input paths to process : 1
19/09/28 11:45:55 INFO mapreduce.JobSubmitter: number of splits:4
19/09/28 11:45:56 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1565300265360_21777
19/09/28 11:45:56 INFO impl.YarnClientImpl: Submitted application application_1565300265360_21777
19/09/28 11:45:56 INFO mapreduce.Job: The url to track the job: http://rm01.itversity.com:19088/proxy/application_1565300265360_21777/
19/09/28 11:45:56 INFO mapreduce.Job: Running job: job_1565300265360_21777
19/09/28 11:46:03 INFO mapreduce.Job: Job job_1565300265360_21777 running in uber mode : false
19/09/28 11:46:03 INFO mapreduce.Job: map 0% reduce 0%
19/09/28 11:46:11 INFO mapreduce.Job: map 100% reduce 0%
19/09/28 11:46:12 INFO mapreduce.Job: Job job_1565300265360_21777 failed with state FAILED due to: Task failed task_1565300265360_21777_m_000003
Job failed as tasks failed. failedMaps:1 failedReduces:0
19/09/28 11:46:12 INFO mapreduce.Job: Counters: 13
Job Counters
Failed map tasks=1
Killed map tasks=3
Launched map tasks=4
Data-local map tasks=3
Rack-local map tasks=1
Total time spent by all maps in occupied slots (ms)=34014
Total time spent by all reduces in occupied slots (ms)=0
Total time spent by all map tasks (ms)=17007
Total vcore-milliseconds taken by all map tasks=17007
Total megabyte-milliseconds taken by all map tasks=34830336
Map-Reduce Framework
CPU time spent (ms)=0
Physical memory (bytes) snapshot=0
Virtual memory (bytes) snapshot=0
19/09/28 11:46:12 WARN mapreduce.Counters: Group FileSystemCounters is deprecated. Use org.apache.hadoop.mapreduce.FileSystemCounter instead
19/09/28 11:46:12 INFO mapreduce.ExportJobBase: Transferred 0 bytes in 24.9203 seconds (0 bytes/sec)
19/09/28 11:46:12 INFO mapreduce.ExportJobBase: Exported 0 records.
19/09/28 11:46:12 ERROR mapreduce.ExportJobBase: Export job failed!
19/09/28 11:46:12 ERROR tool.ExportTool: Error during export: Export job failed!

Please help me to figure out the issue!!! I am preparing for the CCA test and really need to know what I did wrong. Thanks!