Jenkins+ant+Jmeter持续集成报错，求原因和解答

简单随风

这是报错日志
由用户 admin 启动
[EnvInject] - Loading node environment variables.
构建中 在工作空间 /Users/Shared/Jenkins/Home/workspace/lynTest 中
[extras] $ /Applications/apache-ant-1.10.3/bin/ant -file build.xml run
Buildfile: /Applications/apache-jmeter-4.0/extras/build.xml
     [echo] /Applications/apache-jmeter-4.0/TestReport/jtl/TestReport201805041415.jtl
     [echo] /Applications/apache-jmeter-4.0/TestReport/html/TestReport201805041415.html
     [echo] /Applications/apache-jmeter-4.0/TestReport/html

run:
     [echo] /Applications/apache-jmeter-4.0/TestReport/jtl/TestReport201805041415.jtl
     [echo] /Applications/apache-jmeter-4.0/TestReport/html/TestReport201805041415.html
     [echo] /Applications/apache-jmeter-4.0/TestReport/html

test:
   [jmeter] Executing test plan: /Applications/apache-jmeter-4.0/TestScrip/Wconcept.jmx ==> /Applications/apache-jmeter-4.0/TestReport/jtl/TestReport201805041415.jtl
   [jmeter] Creating summariser <summary>
   [jmeter] Created the tree successfully using /Applications/apache-jmeter-4.0/TestScrip/Wconcept.jmx
   [jmeter] Starting the test @ Fri May 04 14:15:37 CST 2018 (1525414537003)
   [jmeter] Waiting for possible Shutdown/StopTestNow/Heapdump message on port 4445
   [jmeter] summary =     10 in 00:00:07 =    1.4/s Avg:   674 Min:    93 Max:  3263 Err:     0 (0.00%)
   [jmeter] Tidying up ...    @ Fri May 04 14:15:45 CST 2018 (1525414545494)
   [jmeter] ... end of run
     [echo] /Applications/apache-jmeter-4.0/TestReport/jtl/TestReport201805041415.jtl
     [echo] /Applications/apache-jmeter-4.0/TestReport/html/TestReport201805041415.html
     [echo] /Applications/apache-jmeter-4.0/TestReport/html

report:

BUILD FAILED
/Applications/apache-jmeter-4.0/extras/build.xml:24: The following error occurred while executing this line:
/Applications/apache-jmeter-4.0/extras/build.xml:51: input file /Applications/apache-jmeter-4.0/TestReport/jtl/TestReport201805041415.jtl does not exist

Total time: 13 seconds
Build step 'Invoke Ant' marked build as failure
Finished: FAILURE

我用ant直接执行，调Jmeter是没问题的，但是用Jenkins去调ant来执行build文件就会报错了，求解
Jenkins配置Ant和JDK路径没有问题
工程里调用build.xml的配置也没问题