ClassNotFoundException attempting to use Log4J LoggingEvent
-----------------------------------------------------------
Key: SMX4-424
URL: https://issues.apache.org/activemq/browse/SMX4-424
Project: ServiceMix 4
Issue Type: Bug
Reporter: Darren Davison
I have configured applications to use Log4J's JMSAppender in order to log
messages on a queue as follows;
{noformat}
log4j.appender.jms=org.apache.log4j.net.JMSAppender
log4j.appender.jms.InitialContextFactoryName=org.apache.activemq.jndi.ActiveMQInitialContextFactory
log4j.appender.jms.ProviderURL=tcp://localhost:61616
log4j.appender.jms.TopicBindingName=logTopic
log4j.appender.jms.TopicConnectionFactoryBindingName=ConnectionFactory
{noformat}
Each application logging statement adds a new message to topic://logTopic on
the broker. I have a bundle deployed that attempts to route the messages from
this topic with camel;
{code}
from("activemq:topic:logTopic")
.convertBodyTo(String.class)
.to("log:foo?level=DEBUG&showProperties=true&showHeaders=true");
{code}
When using servicemix 4 (Fuse 4.1.0.4), a stack trace is seen with the
following message (enhanced using felix.log.level=4);
{noformat}Caused by: java.lang.ClassNotFoundException: *** Class
'org.apache.log4j.spi.LoggingEvent'
was not found because bundle 56 does not import 'org.apache.log4j.spi' even
though bundle 84
does export it. To resolve this issue, add an import for 'org.apache.log4j.spi'
to bundle 56. ***
{noformat}
Bundles as follows;
{noformat}...@root:/> osgi/list|grep 56
[ 56] [Active ] [ ] [ 60] activemq-core (5.3.0.fuse)
s...@root:/> osgi/list|grep 84
[ 84] [Active ] [ ] [ 8] OPS4J Pax Logging - API (1.3.0)
{noformat}
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