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From "Brian Reinhold (JIRA)" <>
Subject [jira] [Commented] (AXIS2-5470) Problem with <xsi:nil="1"> in axis 2 1.6.2.i did'nt see this problem in axis 2 1.4.1.
Date Wed, 19 Dec 2012 10:57:13 GMT


Brian Reinhold commented on AXIS2-5470:


I am not an expert on the xml coding but there are many out there who are. But you need to
provide enough information so the problem can be reproduced. Some kind of description of the
setup, the transaction, the environment (how is this being deployed? Tomcat? Client and service
on the same system or different systems? Who is using version 1 and who is using version 2?)
 where the error is observed, and a log and/or stack trace of the error are really essential.
At this stage one has no idea where the error is occurring and if it is even an Axis2 error
(might be Axiom). At least a log of the error and who is reporting the error would be much
more informative. This information needs to be in the bug report. At least a stack trace shows
the line and module of where the error occurs.

Come to think of it, one still doesn't know how the error is expressed. Does it cause an exception?
Do you even get a stack trace? What happens at the time of the error.

Here is an example of the start of a stack trace

2012-12-18 18:02:33,968 [localhost-startStop-1] DEBUG org.springframework.core.type.classreading.AnnotationAttributesReadingVisitor
 - Failed to classload type while reading annotation metadata. This is a non-fatal error,
but certain annotation metadata may be unavailable.
	at org.apache.catalina.loader.WebappClassLoader.loadClass(
	at org.apache.catalina.loader.WebappClassLoader.loadClass(
	at org.springframework.core.type.classreading.RecursiveAnnotationAttributesVisitor.visitEnd(
	at org.springframework.asm.ClassReader.a(Unknown Source)
	at org.springframework.asm.ClassReader.accept(Unknown Source)
	at org.springframework.asm.ClassReader.accept(Unknown Source)
	at org.springframework.core.type.classreading.SimpleMetadataReader.<init>(
	at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(
	at org.springframework.core.type.classreading.CachingMetadataReaderFactory.getMetadataReader(
	at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.findCandidateComponents(
	at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(
	at org.springframework.context.annotation.ComponentScanBeanDefinitionParser.parse(
	at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(
	at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(
	at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(
	at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(
	at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(
	at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(

These are really essential to start any debugging.

> Problem with <xsi:nil="1"> in axis 2 1.6.2.i did'nt see this problem in axis 2
> -------------------------------------------------------------------------------------
>                 Key: AXIS2-5470
>                 URL:
>             Project: Axis2
>          Issue Type: Bug
>            Reporter: phanikumar
>            Priority: Blocker

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