[CONTINUUM-2183] project cycle can cause Continuum to fail to start

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3.2 (Beta)
• Fix Version/s: 1.3.3 (Beta)
• Component/s: Core system
• Assignee: Brett Porter
• Reporter: Brett Porter
• Created: 20/Apr/09 07:21
• Updated: 20/Apr/09 07:39
• Resolved: 20/Apr/09 07:39

Description

A database that worked under 1.2 failed as follows on start up, with no way to recover:

org.codehaus.plexus.util.dag.CycleDetectedException: Edge between 'Vertex{label='org.apache.maven.plugins:maven-changes-plugin:2.2-SNAPSHOT'}' and 'Vertex{label='org.apache.maven.plugins:maven-changes-plugin:2.2-SNAPSHOT'}' introduces 
to cycle in the graph org.apache.maven.plugins:maven-changes-plugin:2.2-SNAPSHOT --> org.apache.maven.plugins:maven-changes-plugin:2.2-SNAPSHOT
        at org.codehaus.plexus.util.dag.DAG.addEdge(DAG.java:127)
        at org.codehaus.plexus.util.dag.DAG.addEdge(DAG.java:107)
        at org.apache.continuum.utils.ProjectSorter.getSortedProjects(ProjectSorter.java:93)
        at org.apache.maven.continuum.DefaultContinuum.getProjectsInBuildOrder(DefaultContinuum.java:1228)
        at org.apache.maven.continuum.DefaultContinuum.createProjectScmRootForProjectGroup(DefaultContinuum.java:3485)
        at org.apache.maven.continuum.DefaultContinuum.initialize(DefaultContinuum.java:2468)