"Comparison method violates its general contract!" in JMX memory monitor view ----------------------------------------------------------------------------- Key: JBIDE-20748 URL: https://issues.jboss.org/browse/JBIDE-20748 Project: Tools (JBoss Tools) Issue Type: Bug Components: jmx Affects Versions: 4.3.0.CR1 Reporter: Denis Golovin Assignee: Denis Golovin Priority: Critical Fix For: 4.3.1.Final, 4.4.0.Alpha1 {code}Workaround for comparator violation: - set system property java.util.Arrays.useLegacyMergeSort=true - use a 1.6 JRE message: Comparison method violates its general contract! this: org.jboss.tools.jmx.jvmmonitor.internal.ui.properties.memory.HeapComparator comparator: null {code}