com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed.

Oracle Community | 807567 | 9 years ago
  1. 0

    Phobos Deploy problem

    Oracle Community | 9 years ago | 807567
    com.sun.org.apache.commons.logging.LogConfigurationException: Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed.
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    Using JSP with Embedded Jetty 7 in Eclipse IDE, getting LogConfigurationException

    Stack Overflow | 6 years ago | gcstang
    com.sun.org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by java.lang.NullPointerException)

    Root Cause Analysis

    1. com.sun.org.apache.commons.logging.LogConfigurationException

      Invalid class loader hierarchy. You have more than one version of 'com.sun.org.apache.commons.logging.Log' visible, which is not allowed.

      at com.sun.org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor()
    2. Glassfish Jasper
      LogFactoryImpl.getLogConstructor
      1. com.sun.org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:385)
      1 frame