How to resolve bundle plugin exception error?

Question

2 plugins failed to load during JIRA startup.
'com.atlassian.example.scheduling' - 'scheduling' failed to load.
 Cannot start plugin: com.atlassian.example.scheduling

Unresolved constraint in bundle com.atlassian.example.scheduling [33]: 
Unable to resolve 33.0: missing requirement [33.0] osgi.wiring.package; 
(osgi.wiring.package=dalvik.system)
It was loaded from D: \Atlas Plugin\scheduling	arget\jira\home\plugins\installed-plugins\scheduling-1.0.jar
'com.atlassian.example.scheduling-tests' - 'scheduling' failed to load.
 Cannot start plugin: com.atlassian.example.scheduling-tests

Unresolved constraint in bundle com.atlassian.example.scheduling-tests 
[34]: Unable to resolve 34.0: missing requirement [34.0] 
osgi.wiring.package; 
(osgi.wiring.package=com.atlassian.example.scheduling.api) [c

It was loaded from D: \Atlas Plugin\scheduling	arget\jira\home\plugins\installed-plugins\scheduling-1.0-tests.jar

Nic Brough -Adaptavist- · Accepted Answer

The add-ons are not importing all the dependencies they need to.

Have a look at Why am I getting "Unresolved constraint in bundle" exceptions after I migrated development environment to support JIRA7 for more