[LOGGING-58] [logging] null pointer exception in LogFactory.getLog

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.4
• Fix Version/s: 1.1.0

Environment

Operating System: Mac OS X 10.3
Platform: Macintosh

• Bugzilla Id: 33221
• Assignee: Unassigned
• Reporter: Donald Huebschman
• Created: 25/Jan/05 00:47
• Updated: 29/Dec/09 16:04
• Resolved: 29/Dec/09 16:04

Description

In running the LoggingTrial example from the book "Pro Jakarta Commons" by Oak from Apress on
MacOSX 10.3.7, java version "1.4.2_05-141.3", I get the following error:

run_example:
[java] Exception in thread "main" org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException (Caused by
java.lang.NullPointerException) (Caused by org.apache.commons.logging.LogConfigurationException:
java.lang.NullPointerException (Caused by java.lang.NullPointerException))
[java] at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543)
[java] at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
[java] at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209)
[java] at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351)
[java] at com.commonsbook.chap3.LoggingTrial.main(LoggingTrial.java:8)
[java] Caused by: org.apache.commons.logging.LogConfigurationException:
java.lang.NullPointerException (Caused by java.lang.NullPointerException)
[java] at
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:397)
[java] at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
[java] ... 4 more
[java] Caused by: java.lang.NullPointerException
[java] at
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:374)
[java] ... 5 more

Up to this point everything in the book worked. I doubt user error. MacOSX java implementation?