我正在尝试使用JMeter通过嗅探数据包然后重播它们来测试我的应用程序。 我按照JMeter的指示，通过创建HTTPS测试脚本记录，在我的手机上配置代理并安装Apache生成的证书，但我仍然得到这个例外：
2018-02-27 11:16:50,564 INFO o.a.j.p.h.p.ProxyControl: [62991] Creating entry xxx.111-xxx.ch in C:\xxx\apache-jmeter-4.0\bin\proxyserver.jks
2018-02-27 11:16:50,564 ERROR o.a.j.p.h.p.Proxy: [63017] Problem with keystore
java.io.IOException: >> erreur keytool : java.lang.RuntimeException: java.io.IOException: DNSName components must begin with a letter <<
Command failed, code: 1
'keytool -genkeypair -alias xxx.111-xxx.ch -dname "cn=xxx.111-xxx.ch, o=JMeter Proxy (TEMPORARY TRUST ONLY)" -keyalg RSA -keystore proxyserver.jks -storepass {redacted} -keypass {redacted} -validity 7 -ext san=dns:xxx.111-xxx.ch'
at org.apache.jorphan.exec.KeyToolUtils.genkeypair(KeyToolUtils.java:171) ~[jorphan.jar:4.0 r1823414]
at org.apache.jorphan.exec.KeyToolUtils.generateSignedCert(KeyToolUtils.java:285) ~[jorphan.jar:4.0 r1823414]
at org.apache.jorphan.exec.KeyToolUtils.generateHostCert(KeyToolUtils.java:276) ~[jorphan.jar:4.0 r1823414]
at org.apache.jmeter.protocol.http.proxy.ProxyControl.updateKeyStore(ProxyControl.java:1563) ~[ApacheJMeter_http.jar:4.0 r1823414]
at org.apache.jmeter.protocol.http.proxy.Proxy.getSSLSocketFactory(Proxy.java:324) [ApacheJMeter_http.jar:4.0 r1823414]
at org.apache.jmeter.protocol.http.proxy.Proxy.startSSL(Proxy.java:429) [ApacheJMeter_http.jar:4.0 r1823414]
at org.apache.jmeter.protocol.http.proxy.Proxy.run(Proxy.java:194) [ApacheJMeter_http.jar:4.0 r1823414]
2018-02-27 11:16:50,564 WARN o.a.j.p.h.p.Proxy: [63017] Unable to negotiate SSL transaction, no keystore?
2018-02-27 11:16:50,564 ERROR o.a.j.p.h.p.Proxy: [63017] Exception when processing sample
有人可以帮忙吗？