JMeter Ant Task 生成的*.jtl打开之后request和response data是空的，怎样让其不是空的呢？修改JMeter.properties，将jmeter.save.saveservice多处的false改成true，保存之后重启JMeter生效
# legitimate values: none, first, all
#jmeter.save.saveservice.assertion_results=none
jmeter.save.saveservice.assertion_results=all
#
#jmeter.save.saveservice.data_type=true
#jmeter.save.saveservice.label=true
#jmeter.save.saveservice.response_code=true
# response_data is not currently supported for CSV output
#jmeter.save.saveservice.response_data=false
jmeter.save.saveservice.response_data=true
# Save ResponseData for failed samples
#jmeter.save.saveservice.response_data.on_error=false
jmeter.save.saveservice.response_data.on_error=true
#jmeter.save.saveservice.response_message=true
jmeter.save.saveservice.response_message=true
#jmeter.save.saveservice.successful=true
#jmeter.save.saveservice.thread_name=true
#jmeter.save.saveservice.time=true
#jmeter.save.saveservice.subresults=true
#jmeter.save.saveservice.assertions=true
#jmeter.save.saveservice.latency=true
#jmeter.save.saveservice.samplerData=false
jmeter.save.saveservice.samplerData=true
#jmeter.save.saveservice.responseHeaders=false
jmeter.save.saveservice.responseHeaders=true
#jmeter.save.saveservice.requestHeaders=false
jmeter.save.saveservice.requestHeaders=true
#jmeter.save.saveservice.encoding=false
#jmeter.save.saveservice.bytes=true
#jmeter.save.saveservice.url=false
jmeter.save.saveservice.url=true
#jmeter.save.saveservice.filename=false
jmeter.save.saveservice.filename=true
#jmeter.save.saveservice.hostname=false
jmeter.save.saveservice.hostname=true
#jmeter.save.saveservice.thread_counts=false
#jmeter.save.saveservice.sample_count=false
#jmeter.save.saveservice.idle_time=false