[rules-users] PackageBuilder fail with java.lang.ExceptionInInitializerError

Sergio Szychowski sergioszy at gmail.com
Thu Mar 8 04:51:50 EST 2007


Hi,

when I try

PackageBuilder builder = new PackageBuilder();

I running this in JbossEclipse,  I can run the examples without trouble, 
but in a new project I get this error.


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:220)
    at 
nova.common.session.GenericSession.initSession(GenericSession.java:73)
    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:351)
    at 
org.apache.commons.jci.compilers.EclipseJavaCompiler.<clinit>(EclipseJavaCompiler.java:52)
    ... 10 more
Caused by: org.apache.commons.logging.LogConfigurationException: 
java.lang.NullPointerException (Caused by java.lang.NullPointerException)
    at 
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:397)
    at 
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
    ... 14 more
Caused by: java.lang.NullPointerException
    at 
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:374)
    ... 15 more

Greetings




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