java.lang.NoClassDefFoundError: org/apache/http/impl/conn/PoolingClientConnectionManager

Stack Overflow | Elad Benda2 | 6 months ago
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  1. 0

    HtmlUnitDriver seems to be missing HTTP Components?

    Stack Overflow | 4 years ago | Matthias B
    java.lang.NoClassDefFoundError: org/apache/http/impl/conn/PoolingClientConnectionManager
  2. 0
    samebug tip
    A few things cause this exception: 1) Check if you have all jars and if they're in the correct path when running. 2) Your classpath might be broken, you can define it in the command line with "java -cp yourClassPath" or at your IDE if you're using one.
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  4. 0
    samebug tip
    If you're using Hibernate, this indicates you're missing FasterXML Classmate dependency, which you can add with the following: <groupId>com.fasterxml</groupId> <artifactId>classmate</artifactId> <version>1.0</version>
  5. 0
    samebug tip
    This was caused by a failure to instantiate Kafka broker. Check your dependencies.
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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.apache.http.impl.conn.PoolingClientConnectionManager

    at java.net.URLClassLoader.findClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    4 frames
  3. HtmlUnit
    WebClient.setUseInsecureSSL
    1. com.gargoylesoftware.htmlunit.HttpWebConnection.createHttpClient(HttpWebConnection.java:536)
    2. com.gargoylesoftware.htmlunit.HttpWebConnection.getHttpClient(HttpWebConnection.java:500)
    3. com.gargoylesoftware.htmlunit.HttpWebConnection.setUseInsecureSSL(HttpWebConnection.java:711)
    4. com.gargoylesoftware.htmlunit.WebClient.setUseInsecureSSL(WebClient.java:1096)
    4 frames
  4. selenium-htmlunit-driver
    HtmlUnitDriver.<init>
    1. org.openqa.selenium.htmlunit.HtmlUnitDriver.createWebClient(HtmlUnitDriver.java:263)
    2. org.openqa.selenium.htmlunit.HtmlUnitDriver.<init>(HtmlUnitDriver.java:129)
    3. org.openqa.selenium.htmlunit.HtmlUnitDriver.<init>(HtmlUnitDriver.java:172)
    4. org.openqa.selenium.htmlunit.HtmlUnitDriver.<init>(HtmlUnitDriver.java:168)
    4 frames
  5. Unknown
    RbnRunner.main
    1. RbnRunner.run(RbnRunner.java:40)
    2. RbnRunner.main(RbnRunner.java:28)
    2 frames