[rules-users] Commons-logging configurations errors. WHY?

[Sergio Szychowski]

Hi,

this error seams to be caused by  commons-logging api,  take a look at

http://www.qos.ch/logging/thinkAgain.jsp


Exception in thread "main" java.lang.ExceptionInInitializerError
    at org.drools.compiler.PackageBuilder.loadCompiler(Unknown Source)
    at org.drools.compiler.PackageBuilder.<init>(Unknown Source)
    at org.drools.compiler.PackageBuilder.<init>(Unknown Source)
    at 
nova.common.session.GenericSession.configTaskData(GenericSession.java:225)
    at 
nova.common.session.GenericSession.initSession(GenericSession.java:77)
    at 
nova.test.entity.client.TestFrameTask.initSession(TestFrameTask.java:268)
    at nova.common.task.FrameTask.init(FrameTask.java:12)
    at nova.test.entity.client.TestFrameTask.init(TestFrameTask.java:90)
    at nova.common.task.SimpleLauncher.launchTask(SimpleLauncher.java:65)
    at nova.common.task.SimpleLauncher.main(SimpleLauncher.java:25)

Caused by: 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))
    at 
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543)
    at 
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
    at 
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209)
    at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:353)
    at 
org.apache.commons.jci.compilers.EclipseJavaCompiler.<clinit>(EclipseJavaCompiler.java:52)
    ... 10 more