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From Drew Daugherty <daugh...@umn.edu>
Subject [logging] Applet NullPointerException
Date Wed, 18 Feb 2004 15:24:00 GMT
I am trying to use some globus grid classes in an applet and I am 
getting a NullPointerException upon creation of a new Log object.  I 
have found other related posts on the web at:

http://forum.java.sun.com/thread.jsp?thread=283838&forum=38&message=1417264

I haven't, however, found any clear solution to this problem or what 
might be its cause.  Any help would be greatly appreciated.

-drew

Stack trace of exception from java console:

java.lang.ExceptionInInitializerError

	at edu.umn.mast.hcc.NtcpHelper.activateNtcpServer(HCCClient.java:2733)

	at edu.umn.mast.hcc.HCCClient.connect(HCCClient.java:103)

	at edu.umn.mast.hcc.HCCClient.init(HCCClient.java:80)

	at sun.applet.AppletPanel.run(Unknown Source)

	at java.lang.Thread.run(Unknown Source)

Caused by: org.apache.commons.logging.LogConfigurationException: 
org.apache.commons.logging.LogConfigurationException: 
java.lang.NullPointerException

	at 
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:509)

	at 
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:285)

	at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:400)

	at 
org.globus.ogsa.impl.core.service.ServiceLocator.<clinit>(ServiceLocator.java:43)

	... 5 more

Caused by: org.apache.commons.logging.LogConfigurationException: 
java.lang.NullPointerException

	at 
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:404)

	at 
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:502)

	... 8 more

Caused by: java.lang.NullPointerException

	at sun.applet.AppletClassLoader.loadClass(Unknown Source)

	at java.lang.ClassLoader.loadClass(Unknown Source)

	at 
org.apache.commons.logging.impl.LogFactoryImpl.loadClass(LogFactoryImpl.java:434)

	at 
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:398)

	... 9 more


-- 

<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>
   Drew Daugherty
   MAST Laboratory Research Coordinator             voice: 612.626.9562
   Univ. of Minnesota Dept. of Civil Engineering    fax: 612.624.5964
   2525 4th Street SE
   Minneapolis, MN  55455
<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>-<>


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