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
--
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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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