数加平台跑ODPS MR任务失败

在数加平台跑ODPS MR任务时，按照官方文档配置，提交word count任务，总是提示失败：FAILED: Connection timed out，请问这是什么问题？


详细日志如下：

2016-06-16 14:37:51 INFO Current task status:RUNNING
2016-06-16 14:37:51 INFO Start execute shell on node 76650570-5DFD-4DD3-A0D9-10F9E1B68C6C.
2016-06-16 14:37:51 INFO Current working dir /home/admin/alisatasknode/taskinfo/20160616/phoenix/14-37-45/35bj1lacnsac7sfa4smv1dch
2016-06-16 14:37:51 INFO Full Command ..
2016-06-16 14:37:51 INFO -------------------------
2016-06-16 14:37:51 INFO /opt/taobao/tbdpapp/odpswrapper/odpswrapper.py /home/admin/alisatasknode/taskinfo//20160616/phoenix/14-37-45/35bj1lacnsac7sfa4smv1dch//1.wordcount
2016-06-16 14:37:51 INFO -------------------------
2016-06-16 14:37:51 INFO List of passing environment ..
2016-06-16 14:37:51 INFO -------------------------
2016-06-16 14:37:51 INFO SKYNET_SOURCEID=102261:
2016-06-16 14:37:51 INFO FILE_LOCATION=:
2016-06-16 14:37:51 INFO ODPS_HOOK_CALLBACK_URL=http://phoenix.shuju.aliyun-inc.com/engine/2.0/callback/odps:
2016-06-16 14:37:51 INFO SKYNET_ONDUTY=208686365907219447:
2016-06-16 14:37:51 INFO FILE_ID=116272:
2016-06-16 14:37:51 INFO SKYNET_ENVTYPE=1:
2016-06-16 14:37:51 INFO FILE_VERSION=1:
2016-06-16 14:37:51 INFO SKYNET_PTYPE=11:
2016-06-16 14:37:51 INFO IS_NEW_SCHEDULE=true:
2016-06-16 14:37:51 INFO SKYNET_TENANT_ID=13950:
2016-06-16 14:37:51 INFO SKYNET_SOURCENAME=tianchi:
2016-06-16 14:37:51 INFO SKYNET_EXENAME=/opt/taobao/tbdpapp/odpswrapper/odpswrapper.py:
2016-06-16 14:37:51 INFO SKYNET_CYCTIME=20160614000000:
2016-06-16 14:37:51 INFO SKYNET_PRGNAME=:
2016-06-16 14:37:51 INFO SKYNET_APP_ID=22812:
2016-06-16 14:37:51 INFO SKYNET_SYSTEM_ENV=:
2016-06-16 14:37:51 INFO SKYNET_PARAVALUE=:
2016-06-16 14:37:51 INFO SKYNET_TASKID=717221000:
2016-06-16 14:37:51 INFO SKYNET_RERUN_TIME=0:
2016-06-16 14:37:51 INFO SKYNET_NODENAME=wordcount:
2016-06-16 14:37:51 INFO SKYNET_ACTIONID=1:
2016-06-16 14:37:51 INFO YUNQU_APP_NAME=:
2016-06-16 14:37:51 INFO KILL_SIGNAL=SIGKILL:
2016-06-16 14:37:51 INFO SKYNET_ID=300341:
2016-06-16 14:37:51 INFO SKYNET_PRIORITY=1:
2016-06-16 14:37:51 INFO SKYNET_GMTDATE=20160614:
2016-06-16 14:37:51 INFO SKYNET_ONDUTY_WORKNO=208686365907219447:
2016-06-16 14:37:51 INFO SKYNET_CYCTYPE=0:
2016-06-16 14:37:51 INFO SKYNET_CONNECTION=***************:
2016-06-16 14:37:51 INFO SKYNET_JOBID=2365320:
2016-06-16 14:37:51 INFO SKYNET_BIZDATE=20160613:
2016-06-16 14:37:51 INFO ALISA_TASK_ID=T3_0005160959:
2016-06-16 14:37:51 INFO ALISA_TASK_EXEC_TARGET=tianchi:
2016-06-16 14:37:51 INFO ALISA_TASK_PRIORITY=1:
2016-06-16 14:37:51 INFO --- Invoking Shell command line now ---
2016-06-16 14:37:51 INFO =================================================================
2016-06-16 14:37:54 config file is ok!!!
2016-06-16 14:37:54 sql:
set SKYNET_ID=300341;
set SKYNET_BIZDATE=20160613;
set SKYNET_PACKAGEID=-;
set SKYNET_CYCTIME=20160614000000;
set SKYNET_TASKID=717221000;
set SKYNET_SYSTEMID=-;
set SKYNET_PRIORITY=1;
set SKYNET_JOBID=2365320;
set SKYNET_ONDUTY=208686365907219447;
set SKYNET_TENANT_ID=13950;
set WRAPPER_SQLSEQ=1;
set WRAPPER_RETRYNUM=1;
set biz_id=300341_20160613_717221000_2365320_1_prj_tc_27934_ca624486444f_208686365907219447_13950;
jar -resources wordcount.jar -classpath wordcount.jar com.alibaba.WordCount mr_src mr_grep_tmp;
FAILED: Connection timed out