Hi All,
I tried using both commons-logging.jar 1.0.2 and 1.0.3 versions without any success
for the following problem:
[jdoc] java.lang.ExceptionInInitializerError
[jdoc] at java.lang.Class.forName0(Native Method)
[jdoc] at java.lang.Class.forName(Class.java:217)
[jdoc] at
com.solarmetric.kodo.util.MultiLoaderClassResolver.resolveClass(MultiLoaderClassResolver.java:84)
[jdoc] at
com.solarmetric.modules.tools.compiler.ClassArgParser.parseClasses(ClassArgParser.java:67)
[jdoc] at com.solarmetric.kodo.enhance.JDOEnhancer.enhance(JDOEnhancer.java:175)
[jdoc] at com.solarmetric.kodo.enhance.JDOEnhancer.enhance(JDOEnhancer.java:135)
[jdoc] at
com.solarmetric.modules.integration.ant.JDOEnhancerTask.executeOn(JDOEnhancerTask.java:43)
[jdoc] at
com.solarmetric.modules.integration.ant.TaskBase.execute(TaskBase.java:118)
[jdoc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:166)
[jdoc] at org.apache.tools.ant.Task.perform(Task.java:319)
[jdoc] at org.apache.tools.ant.Target.execute(Target.java:309)
[jdoc] at org.apache.tools.ant.Target.performTasks(Target.java:336)
[jdoc] at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
[jdoc] at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:371)
[jdoc] at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:143)
[jdoc] at org.apache.tools.ant.Task.perform(Task.java:319)
[jdoc] at org.apache.tools.ant.Target.execute(Target.java:309)
[jdoc] at org.apache.tools.ant.Target.performTasks(Target.java:336)
[jdoc] at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
[jdoc] at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:371)
[jdoc] at org.apache.tools.ant.Task.perform(Task.java:319)
[jdoc] at org.apache.tools.ant.Target.execute(Target.java:309)
[jdoc] at org.apache.tools.ant.Target.performTasks(Target.java:336)
[jdoc] at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
[jdoc] at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:371)
[jdoc] at org.apache.tools.ant.Task.perform(Task.java:319)
[jdoc] at org.apache.tools.ant.Target.execute(Target.java:309)
[jdoc] at org.apache.tools.ant.Target.performTasks(Target.java:336)
[jdoc] at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
[jdoc] at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:371)
[jdoc] at org.apache.tools.ant.Task.perform(Task.java:319)
[jdoc] at org.apache.tools.ant.Target.execute(Target.java:309)
[jdoc] at org.apache.tools.ant.Target.performTasks(Target.java:336)
[jdoc] at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
[jdoc] at org.apache.tools.ant.Project.executeTargets(Project.java:1250)
[jdoc] at org.apache.tools.ant.Main.runBuild(Main.java:610)
[jdoc] at org.apache.tools.ant.Main.start(Main.java:196)
[jdoc] at org.apache.tools.ant.Main.main(Main.java:235)
[jdoc] org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException: Class
org.apache.commons.logging.impl.Log4JCategoryLog does not implement Log
[jdoc] at
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:555)
[jdoc] at
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:289)
[jdoc] at
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:259)
[jdoc] at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:390)
The class on which the failure happening has code something like this:
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class MyClass
{
private final static Log log = LogFactory.getLog(MyClass.class);
}
Ofcourse the CLASSPATH environmental variable on solaris unix has both log4j.jar and
commons-logging.jar in it.
I searched internet but couldnt find any conclusive fix for this. As suggested online
it looks like a class loader problem.
Any help is greatly appreciated.
Madhav:~
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