jmeter+ant执行 报错：Reference xslt.classpath not found 【采坑记录】

问题：

report:

BUILD FAILED

E:\jmeter\apache-jmeter-4.0\testcase\build.xml:29: The following error occurred while executing this line:

E:\jmeter\apache-jmeter-4.0\testcase\build.xml:52: Reference xslt.classpath not found.

Total time: 4 seconds

Build step 'Invoke Ant' marked build as failure

[htmlpublisher] Archiving HTML reports...

[htmlpublisher] Archiving at BUILD level E:\jmeter\apache-jmeter-4.0\testcase\report\html to C:\Users\Administrator\.jenkins\jobs\jmeter-build-test\builds\39\htmlreports\HTMLReport

Finished: FAILURE

解决：原因是因为ant的两个jar包未在指定的路径进行path配置，刚开始我运行是没问题的，后面多运行几次，竟然莫名奇妙出问题了
增加以下path配置,即可解决无法找到path的问题

    <path id="xslt.classpath">

        <fileset dir="${jmeter.home}/lib" includes="xalan*.jar"/>

        <fileset dir="${jmeter.home}/lib" includes="serializer*.jar"/>

    </path>

【build配置文件】
<?xml version="1.0" encoding="UTF-8"?>

<project name="ant-jmeter-test" default="run" basedir=".">

    <!-- 需要改成自己本地的 Jmeter 目录-->

    <property name="jmeter.home" value="/Users/Tools/Jmeter" />

    <property name="report.title" value="接口测试"/>

    <!-- jmeter生成jtl格式的结果报告的路径-->

    <property name="jmeter.result.jtl.dir" value="/Users/Desktop/jmx/report" />

    <!-- jmeter生成html格式的结果报告的路径-->

    <property name="jmeter.result.html.dir" value="/Users/Desktop/jmx/report" />

    <!-- 生成的报告的前缀-->

    <property name="ReportName" value="TestReport" />

    <property name="jmeter.result.jtlName" value="${jmeter.result.jtl.dir}/${ReportName}.jtl" />

    <property name="jmeter.result.htmlName" value="${jmeter.result.html.dir}/${ReportName}.html" />

    <target name="run">

        <antcall target="test" />

        <antcall target="report" />

    </target>

    <target name="test">

        <taskdef name="jmeter" classname="org.programmerplanet.ant.taskdefs.jmeter.JMeterTask" />

        <jmeter jmeterhome="${jmeter.home}" resultlog="${jmeter.result.jtlName}">

            <!-- 声明要运行的脚本"*.jmx"指包含此目录下的所有jmeter脚本-->

            <testplans dir="/Users/Desktop/jmx" includes="*.jmx" />

            <property name="jmeter.save.saveservice.output_format" value="xml"/>

        </jmeter>

    </target>

    <path id="xslt.classpath">

        <fileset dir="${jmeter.home}/lib" includes="xalan*.jar"/>

        <fileset dir="${jmeter.home}/lib" includes="serializer*.jar"/>

    </path>

    <target name="report">

        <tstamp> <format property="report.datestamp" pattern="yyyy/MM/dd HH:mm" /></tstamp>

        <xslt

              classpathref="xslt.classpath"

              force="true"

              in="${jmeter.result.jtlName}"

              out="${jmeter.result.htmlName}"

              style="${jmeter.home}/extras/jmeter-results-detail-report_21.xsl">

              <param name="dateReport" expression="${report.datestamp}"/>

       </xslt>

                <!-- 因为上面生成报告的时候，不会将相关的图片也一起拷贝至目标目录，所以，需要手动拷贝 -->

        <copy todir="${jmeter.result.html.dir}">

            <fileset dir="${jmeter.home}/extras">

                <include name="collapse.png" />

                <include name="expand.png" />

            </fileset>

        </copy>

    </target>

</project>