使用JMeter的HTTP/2请求失败，并显示"nullSession". (码头-alpn) [英] HTTP/2 Request with JMeter fails with "nullSession" (jetty-alpn)

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本文介绍了使用JMeter的HTTP/2请求失败，并显示"nullSession". (码头-alpn)的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我已经为JMeter安装了 Blazemeter HTTP/2插件，并且遇到了麻烦使HTTP/2请求正常工作.

I've installed the Blazemeter HTTP/2 Plugin for JMeter and have trouble getting HTTP/2 requests to work.

  • 线程组
    • HTTP2请求
      • 服务器:stackoverflow.com
      • 协议:https
      • Thread Group
        • HTTP2 Request
          • Server: stackoverflow.com
          • Protocol: https
          Thread Name:Thread Group 1-1
Sample Start:1970-01-01 01:00:00 CET
Load time:0
Connect Time:0
Latency:0
Size in bytes:2700
Sent bytes:0
Headers size in bytes:0
Body size in bytes:2700
Sample Count:1
Error Count:1
Data type ("text"|"bin"|""):text
Response code:Non HTTP response code: java.util.concurrent.ExecutionException
Response message:Non HTTP response message: org.eclipse.jetty.io.RuntimeIOException: javax.net.ssl.SSLHandshakeException: nullSession


HTTP2SampleResult fields:
ContentType: 
DataEncoding: null

          和日志:

          2020-07-03 12:58:13,457 WARN o.a.j.v.ViewResultsFullVisualizer: Error loading result renderer: org.apache.jmeter.visualizers.RenderInBrowser
java.lang.NoClassDefFoundError: javafx/embed/swing/JFXPanel
    at java.lang.Class.forName0(Native Method) ~[?:1.8.0_252]
    at java.lang.Class.forName(Class.java:264) ~[?:1.8.0_252]
    at com.blazemeter.jmeter.http2.visualizers.ViewResultsFullVisualizer.createComboRender(ViewResultsFullVisualizer.java:396) ~[jmeter-bzm-http2-1.5.jar:?]
    at com.blazemeter.jmeter.http2.visualizers.ViewResultsFullVisualizer.createLeftPanel(ViewResultsFullVisualizer.java:322) ~[jmeter-bzm-http2-1.5.jar:?]
    at com.blazemeter.jmeter.http2.visualizers.ViewResultsFullVisualizer.init(ViewResultsFullVisualizer.java:283) ~[jmeter-bzm-http2-1.5.jar:?]
    at com.blazemeter.jmeter.http2.visualizers.ViewResultsFullVisualizer.<init>(ViewResultsFullVisualizer.java:118) ~[jmeter-bzm-http2-1.5.jar:?]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_252]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_252]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_252]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_252]
    at org.apache.jmeter.gui.GuiPackage.getGuiFromCache(GuiPackage.java:405) ~[ApacheJMeter_core.jar:5.2.1]
    at org.apache.jmeter.gui.GuiPackage.createTestElement(GuiPackage.java:352) ~[ApacheJMeter_core.jar:5.2.1]
    at org.apache.jmeter.gui.action.AddToTree.doAction(AddToTree.java:68) ~[ApacheJMeter_core.jar:5.2.1]
    at org.apache.jmeter.gui.action.ActionRouter.performAction(ActionRouter.java:88) ~[ApacheJMeter_core.jar:5.2.1]
    at org.apache.jmeter.gui.action.ActionRouter.lambda$actionPerformed$0(ActionRouter.java:70) ~[ApacheJMeter_core.jar:5.2.1]
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) [?:1.8.0_252]
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) [?:1.8.0_252]
    at java.awt.EventQueue.access$500(EventQueue.java:97) [?:1.8.0_252]
    at java.awt.EventQueue$3.run(EventQueue.java:709) [?:1.8.0_252]
    at java.awt.EventQueue$3.run(EventQueue.java:703) [?:1.8.0_252]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_252]
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74) [?:1.8.0_252]
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) [?:1.8.0_252]
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205) [?:1.8.0_252]
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) [?:1.8.0_252]
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) [?:1.8.0_252]
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) [?:1.8.0_252]
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) [?:1.8.0_252]
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) [?:1.8.0_252]
Caused by: java.lang.ClassNotFoundException: javafx.embed.swing.JFXPanel
    at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_252]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_252]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_252]
    ... 29 more
2020-07-03 12:58:19,743 INFO o.a.j.e.StandardJMeterEngine: Running the test!
2020-07-03 12:58:19,745 INFO o.a.j.s.SampleEvent: List of sample_variables: []
2020-07-03 12:58:19,751 INFO o.a.j.g.u.JMeterMenuBar: setRunning(true, *local*)
2020-07-03 12:58:20,368 INFO o.a.j.e.StandardJMeterEngine: Starting ThreadGroup: 1 : Thread Group
2020-07-03 12:58:20,371 INFO o.a.j.e.StandardJMeterEngine: Starting 1 threads for group Thread Group.
2020-07-03 12:58:20,372 INFO o.a.j.e.StandardJMeterEngine: Thread will continue on error
2020-07-03 12:58:20,373 INFO o.a.j.t.ThreadGroup: Starting thread group... number=1 threads=1 ramp-up=1 delayedStart=false
2020-07-03 12:58:20,376 INFO o.a.j.t.ThreadGroup: Started thread group number 1
2020-07-03 12:58:20,376 INFO o.a.j.e.StandardJMeterEngine: All thread groups have been started
2020-07-03 12:58:20,381 INFO o.a.j.t.JMeterThread: Thread started: Thread Group 1-1
2020-07-03 12:58:20,489 WARN o.e.j.i.SelectorManager: Exception while notifying connection SslConnection@694fa68a::SocketChannelEndPoint@65c6505a{stackoverflow.com/151.101.129.69:443<->/192.168.0.178:34818,CLOSED,fill=-,flush=-,to=2/30000}{io=1/1,kio=-1,kro=-1}->SslConnection@694fa68a{NEED_UNWRAP,eio=-1/-1,di=-1,fill=IDLE,flush=IDLE}~>DecryptedEndPoint@58ec6f77{stackoverflow.com/151.101.129.69:443<->/192.168.0.178:34818,CLOSED,fill=-,flush=-,to=10/30000}=>ALPNClientConnection@1d8fc708
org.eclipse.jetty.io.RuntimeIOException: javax.net.ssl.SSLHandshakeException: nullSession
    at org.eclipse.jetty.io.NegotiatingClientConnection.onOpen(NegotiatingClientConnection.java:72) ~[jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.io.ssl.SslConnection.onOpen(SslConnection.java:360) ~[jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.io.SelectorManager.connectionOpened(SelectorManager.java:324) [jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.io.ManagedSelector.createEndPoint(ManagedSelector.java:276) [jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.io.ManagedSelector.access$1800(ManagedSelector.java:62) [jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.io.ManagedSelector$CreateEndPoint.run(ManagedSelector.java:933) [jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806) [jetty-util-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938) [jetty-util-9.4.26.v20200117.jar:9.4.26.v20200117]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]
Caused by: javax.net.ssl.SSLHandshakeException: nullSession
    at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.handshakeFailed(SslConnection.java:933) ~[jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.flush(SslConnection.java:1142) ~[jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.io.NegotiatingClientConnection.onOpen(NegotiatingClientConnection.java:63) ~[jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    ... 8 more
Caused by: java.lang.NoSuchFieldError: nullSession
    at sun.security.ssl.ClientHandshaker.getKickstartMessage(ClientHandshaker.java:1350) ~[?:1.8.0_252]
    at sun.security.ssl.Handshaker.kickstart(Handshaker.java:1117) ~[?:1.8.0_252]
    at sun.security.ssl.SSLEngineImpl.kickstartHandshake(SSLEngineImpl.java:736) ~[?:1.8.0_252]
    at sun.security.ssl.SSLEngineImpl.writeAppRecord(SSLEngineImpl.java:1232) ~[?:1.8.0_252]
    at sun.security.ssl.SSLEngineImpl.wrap(SSLEngineImpl.java:1185) ~[?:1.8.0_252]
    at javax.net.ssl.SSLEngine.wrap(SSLEngine.java:511) ~[?:1.8.0_252]
    at org.eclipse.jetty.io.ssl.SslConnection.wrap(SslConnection.java:412) ~[jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.flush(SslConnection.java:1052) ~[jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    at org.eclipse.jetty.io.NegotiatingClientConnection.onOpen(NegotiatingClientConnection.java:63) ~[jetty-io-9.4.26.v20200117.jar:9.4.26.v20200117]
    ... 8 more
2020-07-03 12:58:20,494 WARN o.e.j.i.ManagedSelector: org.eclipse.jetty.io.RuntimeIOException: javax.net.ssl.SSLHandshakeException: nullSession
2020-07-03 12:58:20,498 INFO o.a.j.t.JMeterThread: Thread is done: Thread Group 1-1
2020-07-03 12:58:20,498 INFO o.a.j.t.JMeterThread: Thread finished: Thread Group 1-1
2020-07-03 12:58:20,499 INFO o.a.j.e.StandardJMeterEngine: Notifying test listeners of end of test
2020-07-03 12:58:20,500 INFO o.a.j.g.u.JMeterMenuBar: setRunning(false, *local*)

          将协议更改为HTTP

          如果将协议更改为 HTTP ，则会得到以下采样器结果:

          Changing protocol to HTTP

          If I change the protocol to HTTP, I get the following sampler result instead:

          Thread Name:Thread Group 1-1
Sample Start:2020-07-03 13:11:59 CEST
Load time:0
Connect Time:354
Latency:0
Size in bytes:1072
Sent bytes:0
Headers size in bytes:0
Body size in bytes:1072
Sample Count:1
Error Count:1
Data type ("text"|"bin"|""):text
Response code:java.util.concurrent.TimeoutException
Response message:null

          这是日志:

          2020-07-03 13:11:58,817 INFO o.a.j.e.StandardJMeterEngine: Running the test!
2020-07-03 13:11:58,819 INFO o.a.j.s.SampleEvent: List of sample_variables: []
2020-07-03 13:11:58,824 INFO o.a.j.g.u.JMeterMenuBar: setRunning(true, *local*)
2020-07-03 13:11:59,307 INFO o.a.j.e.StandardJMeterEngine: Starting ThreadGroup: 1 : Thread Group
2020-07-03 13:11:59,307 INFO o.a.j.e.StandardJMeterEngine: Starting 1 threads for group Thread Group.
2020-07-03 13:11:59,307 INFO o.a.j.e.StandardJMeterEngine: Thread will continue on error
2020-07-03 13:11:59,308 INFO o.a.j.t.ThreadGroup: Starting thread group... number=1 threads=1 ramp-up=1 delayedStart=false
2020-07-03 13:11:59,309 INFO o.a.j.t.ThreadGroup: Started thread group number 1
2020-07-03 13:11:59,310 INFO o.a.j.e.StandardJMeterEngine: All thread groups have been started
2020-07-03 13:11:59,312 INFO o.a.j.t.JMeterThread: Thread started: Thread Group 1-1
2020-07-03 13:11:59,690 INFO c.b.j.h.s.HTTP2StreamHandler: Parser for text/html is org.apache.jmeter.protocol.http.parser.LagartoBasedHtmlParser
2020-07-03 13:11:59,691 INFO c.b.j.h.s.HTTP2StreamHandler: Parser for application/xhtml+xml is org.apache.jmeter.protocol.http.parser.LagartoBasedHtmlParser
2020-07-03 13:11:59,692 INFO c.b.j.h.s.HTTP2StreamHandler: Parser for application/xml is org.apache.jmeter.protocol.http.parser.LagartoBasedHtmlParser
2020-07-03 13:11:59,692 INFO c.b.j.h.s.HTTP2StreamHandler: Parser for text/xml is org.apache.jmeter.protocol.http.parser.LagartoBasedHtmlParser
2020-07-03 13:11:59,693 INFO c.b.j.h.s.HTTP2StreamHandler: Parser for text/vnd.wap.wml is org.apache.jmeter.protocol.http.parser.RegexpHTMLParser
2020-07-03 13:11:59,693 INFO c.b.j.h.s.HTTP2StreamHandler: Parser for text/css is org.apache.jmeter.protocol.http.parser.CssParser
2020-07-03 13:11:59,736 INFO o.a.j.t.JMeterThread: Thread is done: Thread Group 1-1
2020-07-03 13:11:59,737 INFO o.a.j.t.JMeterThread: Thread finished: Thread Group 1-1
2020-07-03 13:12:19,741 ERROR c.b.j.h.s.HTTP2SampleResult: Error while await for response
java.util.concurrent.TimeoutException: null
    at java.util.concurrent.CompletableFuture.timedGet(CompletableFuture.java:1784) ~[?:1.8.0_252]
    at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1928) ~[?:1.8.0_252]
    at com.blazemeter.jmeter.http2.sampler.HTTP2Connection.awaitResponses(HTTP2Connection.java:171) ~[jmeter-bzm-http2-1.5.jar:?]
    at com.blazemeter.jmeter.http2.sampler.HTTP2Request.lambda$waitAllResponses$1(HTTP2Request.java:587) ~[jmeter-bzm-http2-1.5.jar:?]
    at java.util.HashMap$Values.forEach(HashMap.java:981) [?:1.8.0_252]
    at com.blazemeter.jmeter.http2.sampler.HTTP2Request.waitAllResponses(HTTP2Request.java:585) [jmeter-bzm-http2-1.5.jar:?]
    at com.blazemeter.jmeter.http2.sampler.HTTP2Request.threadFinished(HTTP2Request.java:548) [jmeter-bzm-http2-1.5.jar:?]
    at org.apache.jmeter.threads.JMeterThread$ThreadListenerTraverser.addNode(JMeterThread.java:774) [ApacheJMeter_core.jar:5.2.1]
    at org.apache.jorphan.collections.HashTree.traverseInto(HashTree.java:994) [jorphan.jar:5.2.1]
    at org.apache.jorphan.collections.HashTree.traverse(HashTree.java:977) [jorphan.jar:5.2.1]
    at org.apache.jmeter.threads.JMeterThread.threadFinished(JMeterThread.java:741) [ApacheJMeter_core.jar:5.2.1]
    at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:329) [ApacheJMeter_core.jar:5.2.1]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]
2020-07-03 13:12:19,756 INFO o.a.j.e.StandardJMeterEngine: Notifying test listeners of end of test
2020-07-03 13:12:19,758 INFO o.a.j.g.u.JMeterMenuBar: setRunning(false, *local*)

          我的设置:

          我在Linux(version 5.6.15-arch1-1)上将JMeter 5.2.1与OpenJDK 8(openjdk version "1.8.0_252")一起使用

          My Setup:

          I am using JMeter 5.2.1 with OpenJDK 8 (openjdk version "1.8.0_252") on Linux (version 5.6.15-arch1-1)

          (在以CLI模式运行的Ubuntu 20.04上，使用JMeter 5.3获得了相同的结果)

          根据HTTP/2插件的要求，我在jmeter启动脚本的顶部添加了以下行:

          I added the following line at the top of my jmeter startup script, as per requirement of the HTTP/2 plugin:

          JVM_ARGS="-Xbootclasspath/p:/opt/jmeter/lib/alpn-boot-8.1.13.v20181017.jar"

          如何解决或调试此问题?

          How can I solve or debug this issue?

          我发现，如上所述，一旦我使用alpn-boot，我对常规HTTP请求的行为就会相同，因此这似乎是该库中的问题.在

          I found out that as soon as I use alpn-boot as mentioned above, I have the same behavior for regular HTTP requests, so it seems to be a problem from that library. There is a mapping table for jetty-alpn versions against Java versions at https://github.com/jetty-project/jetty-alpn/blob/master/docs/version_mapping.properties and it currently does not contain my Java version.

          文档说

          该表仅显示了到OpenJDK 8u242的映射，OpenJDK 8u242是需要ALPN引导jar的最新版本.

          The table only shows the mapping up to OpenJDK 8u242, the last version that required the ALPN boot jar.

          但是，如果我在不使用alpn参数的情况下启动JMeter，则会看到类似以下的结果(带有HTTPS的HTTP/2):

          But if I start JMeter without the alpn argument, I see results like this (HTTP/2 with HTTPS):

          Response code:Non HTTP response code: java.util.concurrent.ExecutionException
Response message:Non HTTP response message: java.lang.IllegalStateException: No Client ALPNProcessors!

          推荐答案

          我发现，OpenJDK 8u252和Jetty 9.4.26(JMeter附带)的组合不兼容.

          As I found out, the combination of OpenJDK 8u252 and Jetty 9.4.26 (shipped with JMeter) is not compatible.

          ALPN API已被反向移植到Java 8u252和Jetty 9.4.28，并且不再需要alpn-boot.

          The ALPN APIs have been backported to Java 8u252 and Jetty 9.4.28, and alpn-boot is not needed anymore.

          更多信息: https://webtide.com/jetty-alpn-java-8u252 /

          将Jetty库更新到9.4.28有助于:

          Updating the Jetty libraries to 9.4.28 helped:

          • Download files from https://repo1.maven.org/maven2/org/eclipse/jetty/jetty-distribution/9.4.28.v20200408/ and https://repo1.maven.org/maven2/org/eclipse/jetty/jetty-client/9.4.28.v20200408/
          • Replace jetty*-9.4.26* files in jmeter/lib by their 9.4.28 counterparts from the downloaded archive

          更新:文件列表 

          lib/jetty-alpn-client-9.4.28.v20200408.jar
lib/jetty-alpn-openjdk8-client-9.4.28.v20200408.jar
lib/jetty-client-9.4.28.v20200408.jar
lib/jetty-http-9.4.28.v20200408.jar
lib/jetty-io-9.4.28.v20200408.jar
lib/jetty-util-9.4.28.v20200408.jar

          这篇关于使用JMeter的HTTP/2请求失败，并显示"nullSession". (码头-alpn)的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！

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