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java.util.concurrent.CancellationException: 	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:220)	at java.util.concurrent.FutureTask.get(FutureTask.java:83)	at com.atlassian.confluence.plugins.metadata.jira.service.helper.FutureMetadataHelper.processFutures(FutureMetadataHelper.java:58)	at com.atlassian.confluence.plugins.metadata.jira.service.helper.FutureMetadataHelper.process(FutureMetadataHelper.java:42)	at com.atlassian.confluence.plugins.metadata.jira.service.JiraMetadataService.getMetadata(JiraMetadataService.java:99)	at com.atlassian.confluence.plugins.metadata.jira.rest.JiraMetadataResource.getMetadata(JiraMetadataResource.java:25)