I am new to Drools and I am not able to build the documentation from the source code.
- Drools: 5.0.1.26597.FINAL.
~/Developmen.../drools-5.0-src\>mvn -e -Ddocumentation clean package
+ Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] The projects in the reactor contain a cyclic reference: Edge between 'Vertex{label='org.drools:docbook-style-drools'}' and 'Vertex{label='org.drools:docbook-style-drools'}' introduces to cycle in the graph org.drools:docbook-style-drools --> org.drools:docbook-style-drools
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.BuildFailureException: The projects in the reactor contain a cyclic reference: Edge between 'Vertex{label='org.drools:docbook-style-drools'}' and
'Vertex{label='org.drools:docbook-style-drools'}' introduces to cycle in the graph org.drools:docbook-style-drools --> org.drools:docbook-style-drools
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:323)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:356)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at
org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: hidden.org.codehaus.plexus.util.dag.CycleDetectedException: Edge between 'Vertex{label='org.drools:docbook-style-drools'}' and 'Vertex{label='org.drools:docbook-style-drools'}' introduces to cycle in the graph org.drools:docbook-style-drools --> org.drools:docbook-style-drools
at hidden.org.codehaus.plexus.util.dag.DAG.addEdge(DAG.java:127)
at hidden.org.codehaus.plexus.util.dag.DAG.addEdge(DAG.java:107)
at org.apache.maven.project.ProjectSorter.addEdgeWithParentCheck(ProjectSorter.java:351)
at org.apache.maven.project.ProjectSorter.<init>(ProjectSorter.java:161)
at org.apache.maven.execution.ReactorManager.<init>(ReactorManager.java:99)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:316)
... 10 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2 seconds
[INFO] Finished at: Tue May 19 17:48:42 EDT 2009
[INFO] Final Memory: 9M/247M
[INFO] ------------------------------------------------------------------------
~/Developmen.../drools-5.0-src\>
----------------------------------------------------------------------------------------------------------------