George McCone created AMQ-9026:
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Summary: ActiveMQ unable to run offline with Karaf
Key: AMQ-9026
URL: https://issues.apache.org/jira/browse/AMQ-9026
Project: ActiveMQ
Issue Type: Bug
Components: OSGi/Karaf
Affects Versions: 5.17.0
Reporter: George McCone
When trying to start an ActiveMq broker using an XML configuration file in
Karaf from an environment that does not have internet access, the broker fails
to start because it can not resolve the spring-beans.xsd file.
This is similar to the situation reported in AMQ-7258, but the workaround of
loading the spring-legacy feature does not work as result of the upgrade to
Spring 5.x done in AMQ-8026.
The root cause is that activemq-osgi bundle's mapping in the spring.schemas
file for the http schemalocations do not match the name of the XSDs that are
embedded in the spring-beans bundle for spring version 5. It looks like all the
version numbers were removed in from the xsd file name for version 5.
Workaround:
To work around this problem without manually modifying the contents of the
spring.schemas file within the activemq-osgi bundle (which does work, just to
prove this was root cause), is to modify the schema location within the
activemq.xml file to use a classpath definition. For example, use the following
xsi:schemaLocation="http://www.springframework.org/schema/beans
classpath:org/springframework/beans/factory/xml/spring-beans.xsd
instead of of the standard
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
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