执行java请求，导致在脚本执行结束时JVM无法退出。

java

Jmeter 执行Java 请求时，运行结束后报错，

Tidying up remote @ Mon Feb 24 19:42:34 CST 2020 (1582544554083)

... end of run

The JVM should have exited but did not.

The following non-daemon threads are still running (DestroyJavaVM is OK):

Thread[Thread-6,5,RMI Runtime], stackTrace:freemarker.core.BuiltIn#<clinit> at line:141

freemarker.core.FMParser#BuiltIn at line:1196

freemarker.core.FMParser#PrimaryExpression at line:594

freemarker.core.FMParser#UnaryExpression at line:706

freemarker.core.FMParser#MultiplicativeExpression at line:821

freemarker.core.FMParser#AdditiveExpression at line:773

freemarker.core.FMParser#RangeExpression at line:953

freemarker.core.FMParser#RelationalExpression at line:901

freemarker.core.FMParser#EqualityExpression at line:864

freemarker.core.FMParser#AndExpression at line:1020

freemarker.core.FMParser#OrExpression at line:1042

freemarker.core.FMParser#Expression at line:551

freemarker.core.FMParser#List at line:1747

freemarker.core.FMParser#FreemarkerDirective at line:3426

freemarker.core.FMParser#MixedContentElements at line:3812

freemarker.core.FMParser#Root at line:4458

freemarker.template.Template#<init> at line:253

freemarker.cache.TemplateCache#loadTemplate at line:549

freemarker.cache.TemplateCache#getTemplateInternal at line:439

freemarker.cache.TemplateCache#getTemplate at line:292

freemarker.template.Configuration#getTemplate at line:2750

freemarker.template.Configuration#getTemplate at line:2599

org.apache.jmeter.report.dashboard.TemplateVisitor#visitFile at line:113

org.apache.jmeter.report.dashboard.TemplateVisitor#visitFile at line:49

java.nio.file.Files#walkFileTree at line:2670

java.nio.file.Files#walkFileTree at line:2742

org.apache.jmeter.report.dashboard.HtmlTemplateExporter#export at line:509

org.apache.jmeter.report.dashboard.ReportGenerator#exportData at line:381

org.apache.jmeter.report.dashboard.ReportGenerator#generate at line:262

org.apache.jmeter.JMeter$ListenToTest#generateReport at line:1324

org.apache.jmeter.JMeter$ListenToTest#run at line:1308

java.lang.Thread#run at line:748

原因：在执行java请求时会在jmeter线程之外，另外启动java线程，导致在脚本执行结束时JVM无法退出。

若要避免这种现象，需要修改jmeter.properties 中的jmeterengine.force.system.exit=true