java.lang.IllegalStateException: Can't happen - classname is null, who added this ?

Oracle Community | 843793 | 2 decades ago
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    java.lang.IllegalStateException: Can't happen - classname is null, who added this ?
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    Oracle Community | 2 decades ago | 843833
    java.lang.IllegalStateException: Can't happen - classname is null, who added this ?
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    Oracle Community | 2 decades ago | 843793
    java.lang.IllegalStateException: Can't happen - classname is null, who added this ?
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    Oracle Community | 2 decades ago | 807592
    java.lang.IllegalStateException: Can't happen - classname is null, who added this ?
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    Exception on wildcard URL servlet mapping BugRat Report#823

    Apache Bugzilla | 2 decades ago | gvz
    java.lang.IllegalStateException: Can't happen - classname is null, who added this ?

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    Root Cause Analysis

    1. java.lang.IllegalStateException

      Can't happen - classname is null, who added this ?

      at org.apache.tomcat.core.ServletWrapper.loadServlet()
    2. org.apache.tomcat
      TcpWorkerThread.runIt
      1. org.apache.tomcat.core.ServletWrapper.loadServlet(ServletWrapper.java:261)
      2. org.apache.tomcat.core.ServletWrapper.init(ServletWrapper.java:289)
      3. org.apache.tomcat.core.Handler.service(Handler.java:254)
      4. org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
      5. org.apache.tomcat.core.ContextManager.handleStatus(ContextManager.java:1049)
      6. org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:775)
      7. org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
      8. org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)
      9. org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
      9 frames
    3. Tomcat Util
      ThreadPool$ControlRunnable.run
      1. org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
      1 frame
    4. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:484)
      1 frame