[CAMEL-9242] Upgrade slf4j-api to 1.7

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.17.0
• Component/s: camel-core
• Estimated Complexity: Unknown
• Assignee: Claus Ibsen
• Reporter: Claus Ibsen
• Created: 22/Oct/15 11:34
• Updated: 24/Nov/15 06:28
• Resolved: 24/Nov/15 06:28

Description

We have been on 1.6 for a long time, and many others are on 1.7 which can cause problems such as from karaf / pax-logging

Caused by: java.lang.NoSuchMethodError: org.apache.log4j.Logger.<init>(Ljava/lang/String;)V
	at org.apache.log4j.spi.RootLogger.<init>(RootLogger.java:45)
	at org.apache.log4j.LogManager.<clinit>(LogManager.java:82)
	at org.ops4j.pax.logging.service.internal.PaxLoggingServiceImpl.configureDefaults(PaxLoggingServiceImpl.java:299)
	at org.ops4j.pax.logging.service.internal.PaxLoggingServiceImpl.<init>(PaxLoggingServiceImpl.java:70)
	at org.ops4j.pax.logging.service.internal.Activator.start(Activator.java:117)
	at org.apache.felix.connect.PojoSRBundle.start(PojoSRBundle.java:153)
	... 20 more