JMeter HTTP2 請求錯誤（Java 8、JMeter 5.1）

Question

我安裝了 java 1.8.0_151 和 JMeter 5.1。 嘗試發送 HTTP2 請求得到以下錯誤：

java.util.concurrent.ExecutionException: java.lang.IllegalStateException: No Client ALPNProcessors!
at org.eclipse.jetty.util.FuturePromise.get(FuturePromise.java:138)
at com.blazemeter.jmeter.http2.sampler.HTTP2Connection.connect(HTTP2Connection.java:69)
at com.blazemeter.jmeter.http2.sampler.HTTP2Request.setConnection(HTTP2Request.java:280)
at com.blazemeter.jmeter.http2.sampler.HTTP2Request.sample(HTTP2Request.java:140)
at com.blazemeter.jmeter.http2.sampler.HTTP2Request.sample(HTTP2Request.java:117)
at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:622)
at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:546)
at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:486)
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:253)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalStateException: No Client ALPNProcessors!
    at org.eclipse.jetty.alpn.client.ALPNClientConnectionFactory.<init>(ALPNClientConnectionFactory.java:57)
    at org.eclipse.jetty.http2.client.HTTP2Client.lambda$doStart$1(HTTP2Client.java:155)
    at org.eclipse.jetty.http2.client.HTTP2Client$ClientSelectorManager.newConnection(HTTP2Client.java:438)
    at org.eclipse.jetty.io.ManagedSelector.createEndPoint(ManagedSelector.java:222)
    at org.eclipse.jetty.io.ManagedSelector.access$1500(ManagedSelector.java:60)
    at org.eclipse.jetty.io.ManagedSelector$CreateEndPoint.run(ManagedSelector.java:825)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:754)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:672)
    ... 1 more
    Suppressed: java.lang.IllegalStateException: org.eclipse.jetty.alpn.ALPN must be on JVM boot classpath
        at org.eclipse.jetty.alpn.java.client.OpenJDK8ClientALPNProcessor.init(OpenJDK8ClientALPNProcessor.java:43)
        at org.eclipse.jetty.alpn.client.ALPNClientConnectionFactory.<init>(ALPNClientConnectionFactory.java:77)
        ... 8 more

I have downloaded alpn-boot-8.1.11.v20170118.jar (according to my java version) to jmeter\lib folder and added the following record to jmeter.bat: set JVM_ARGS="-Xbootclasspath/p:D:\apache-jmeter-5.1\apache-jmeter-5.1\lib\alpn-boot-8.1.11.v20170118.jar;" . HTTP2 請求仍然無法正確發送。 我錯過了什么？ 先感謝您

Answer 1

您的步驟看起來不錯，我只能想到 HTTP2 采樣器不起作用的 2 個原因：

1. alpn-boot庫的路徑錯誤，您可以使用dir命令檢查它，例如：

    dir d:\apache-jmeter-5.1\apache-jmeter-5.1\lib\alpn-boot-8.1.11.v20170118.jar

   你應該看到類似的東西：

   

2. 檢查 Java 版本 JMeter 正在使用，因為它可能不會選擇1.8.0_151 ，而是首先出現在PATH中的那個。 為了確保 JMeter 使用正確的 Java 運行時，您可以在jmeter.bat文件中顯式聲明它：

    set PATH=d:\java\bin;%PATH%

3. 最后，您可以使用JSR223 Sampler打印 Java 版本和有效 Java arguments，相關代碼如下：

    log.info('Java version: ' + System.getProperty('java.version')) java.lang.management.ManagementFactory.getRuntimeMXBean().getInputArguments().each { log.info("Effective JVM argument: " + "$it") }

   如果應用了上述清單項目，您應該能夠正常執行 HTTP2 請求：

   

---

Also be aware that according to 9 Easy Solutions for a JMeter Load Test “Out of Memory” Failure you should always be using the latest version of JMeter so consider upgrading to JMeter 5.2 (or whatever is the latest stable version available at JMeter Downloads page)盡早。

Answer 2

還要檢查這個線程： HTTP2 request sample crash with Jmeter4, Java 10 No Client ALPNProcessors 。 它在這里說：特別是，jetty-alpn-openjdk8-client 依賴項無效並且不適合 Java 9+。 對於 Java 9+，應使用 jetty-alpn-java-client 代替。