Sandarenu's Blog

Few weeks back when we were testing a Mobicents application I came across a strange error from Spring.

Warning parsing XML: XML InputStream(68) schema_reference.4: Failed to 
read schema document 'http://www.springframework.org/schema/beans/spring-beans-2.0.xsd',
 because 1) could not find the document; 
2) the document could not be read;
 3) the root element of the document is not .

Application was working fine few hours before and I was wondering what could be the error. Later I found out that this error comes because I've unpluged the network cable, application worked fine when I plugged it back. It was seems to be that Spring is trying to download schemas from internet rather than using files in classpath. This was a serious issue because machines at production site do not have internet access.

After few hours of searching we found out that a way to tell spring to get schemas from class path rather than downloading. Just give classpath:schema location in Spring xml context file in the opening declaration instead of giving url http://www.springframework.org/schema/beans/spring-beans-2.5.xsd.

<beans schemalocation="http://www.springframework.org/schema/beans
 classpath:org/springframework/beans/factory/xml/spring-beans-2.5.xsd"
 xsi="http://www.w3.org/2001/XMLSchema-instance"
 xmlns="http://www.springframework.org/schema/beans">

</beans>

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