StackOverflowError in moduleSort
--------------------------------

                 Key: IVY-624
                 URL: https://issues.apache.org/jira/browse/IVY-624
             Project: Ivy
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.0.0-alpha-2
            Reporter: Nascif Abousalh-Neto
             Fix For: unspecified


We are having a stack overflow problem in our build, which we recently switched 
to alpha2.

Here is the stack trace:
java.lang.StackOverflowError
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1225)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
      <deleted>
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
Caused by: java.lang.StackOverflowError
        at java.io.FileOutputStream.write(FileOutputStream.java:260)
      <deleted>
        at java.io.PrintStream.println(PrintStream.java:739)
        at org.apache.tools.ant.sdsLogger.printMessage(sdsLogger.java:368)
        at org.apache.tools.ant.sdsLogger.messageLogged(sdsLogger.java:334)
        at 
org.apache.tools.ant.Project.fireMessageLoggedEvent(Project.java:2009)
        at org.apache.tools.ant.Project.fireMessageLogged(Project.java:2058)
        at org.apache.tools.ant.Project.log(Project.java:367)
        at org.apache.tools.ant.Task.log(Task.java:346)
        at org.apache.ivy.ant.AntMessageImpl.log(AntMessageImpl.java:81)
        at org.apache.ivy.util.Message.debug(Message.java:107)
        at org.apache.ivy.core.sort.ModuleInSort.isSorted(ModuleInSort.java:70)
        at 
org.apache.ivy.core.sort.ModuleInSort.addToSortList(ModuleInSort.java:138)
        at 
org.apache.ivy.core.sort.ModuleInSort.addToSortList(ModuleInSort.java:136)
        at 
org.apache.ivy.core.sort.ModuleInSort.addToSortList(ModuleInSort.java:136)
        at 
org.apache.ivy.core.sort.ModuleInSort.addToSortList(ModuleInSort.java:136)
        at 
org.apache.ivy.core.sort.ModuleInSort.addToSortList(ModuleInSort.java:136)
        at 
org.apache.ivy.core.sort.ModuleInSort.addToSortList(ModuleInSort.java:136)

The details: a previous project in the overall build had circular dependencies 
and evictions. Ivy printed warnings when resolving them

[ivy:resolve]   [ SAS | sas.expr.visuals | 9.2.0.20071011130105 ] by [[ SAS | 
sas.expr.visuals | 9.2.0.20071017131948 ]] in [compile]
[ivy:resolve]   [ SAS | sas.common.framework | 4.2.0.20071011130835 ] by [[ SAS 
| sas.common.framework | 4.2.0.20071017133619 ]] in [compile]
[ivy:resolve]   [ SAS | sas.rpf | 9.2.0.20071011130107 ] by [[ SAS | sas.rpf | 
9.2.0.20071017131949 ]] in [compile]
[ivy:resolve]   [ SAS | sas.graph.esrimap | 9.2.0.20071011131401 ] by [[ SAS | 
sas.graph.esrimap | 9.2.0.20071017135759 ]] in [compile]
[ivy:resolve]   [ SAS | sas.svc.events | 9.2.0.20071011130331 ] by [[ SAS | 
sas.svc.events | 9.2.0.20071017132640 ]] in [compile]
[ivy:resolve]   [ SAS | sas.oma.omi | 9.2.0.20071011130103 ] by [[ SAS | 
sas.oma.omi | 9.2.0.20071017132154 ]] in [compile]
        ---------------------------------------------------------------------
        |                  |            modules            ||   artifacts   |
        |       conf       | number| search|dwnlded|evicted|| number|dwnlded|
        ---------------------------------------------------------------------
        |      compile     |  184  |   49  |   0   |   37  ||  140  |   2   |
        ---------------------------------------------------------------------
[ivy:resolve] 
[ivy:resolve] :: problems summary ::
[ivy:resolve] :::: WARNINGS
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.report.config | 9.2.0.20071017132642 ]->[ 
SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | 
sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.events | 9.2.0.20071017132640 ]->[ SAS 
| sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | 
sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | 
sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | 
sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | 
sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.events | 9.2.0.20071017132640 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | 
sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 
9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.report.config | 9.2.0.20071017132642 ]->[ 
SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 
9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | 
sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | 
sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.events | 9.2.0.20071017132640 ]->[ SAS 
| sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 
9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | 
sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 
9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil 
| 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil 
| 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.events | 9.2.0.20071017132640 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil 
| 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.report.config | 9.2.0.20071017132642 ]->[ 
SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.report.config | 9.2.0.20071017132642 ]->[ 
SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | 
sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.events | 9.2.0.20071017132640 ]->[ SAS 
| sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | 
sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | 
sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | 
sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | 
sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.events | 9.2.0.20071017132640 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | 
sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 
9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.report.config | 9.2.0.20071017132642 ]->[ 
SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 
9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | 
sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | 
sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.events | 9.2.0.20071017132640 ]->[ SAS 
| sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 
9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.entities.util | 9.2.0.20071017132455 ]->[ 
SAS | sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | 
sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 
9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil 
| 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil 
| 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.events | 9.2.0.20071017132640 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.svc.storedprocess | 9.2.0.20071017133130 ]->[ SAS | sas.iquery.services | 
9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.storedprocess | 9.2.0.20071017133130 
]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ SAS | sas.iqueryutil 
| 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.iquery.services | 9.2.0.20071017133322 ]->[ 
SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS | sas.swing.remote | 
9.2.0.20071017133644 ]->[ SAS | sas.swing | 9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.iqueryutil | 9.2.0.20071017133503 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.report.config | 9.2.0.20071017132642 ]->[ 
SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 
9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.connection.platform | 
9.2.0.20071017132640 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.svc.core | 
9.2.0.20071017132455 ]->[ SAS | sas.svc.publish | 9.2.0.20071017132941 ]->[ SAS 
| sas.swing.remote | 9.2.0.20071017133644 ]->[ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.svc.core | 9.2.0.20071017132455 ]
[ivy:resolve]   circular dependency found: [ SAS | sas.swing | 
9.2.0.20071017132332 ]->[ SAS | sas.swing.remote | 9.2.0.20071017133644 ]->[ 
SAS | sas.swing | 9.2.0.20071017132332 ]

But the build completed with no errors. The build that thrown the exception 
happened afterwards, and in this particular case, all entries where already in 
the cache, loaded from the build from a previous project - there were no 
download messages. I wonder if the loop checks are being done in the first 
scenario (as dependencies are being downloaded) but not in the second (when 
they are read from the cache) ?

I don't have a unit test case ready, as this is part of a really large build. I 
will post one if I can isolate the problem.

Here is the code causing the recursion:
133:   private void addToSortList(List sortedList) {
134:        for (Iterator it = loopElements.iterator(); it.hasNext();) {
135:            ModuleInSort moduleInLoop = (ModuleInSort) it.next();
136:            moduleInLoop.addToSortList(sortedList);
137:        }
138:        if (!this.isSorted()) {
139:            sortedList.add(module);
140:            this.isSorted = true;
141:        }
142:    }

There is no check inlines 134-136 to make sure it is safe to keep the 
recursion. According to Xavier:

  "I think an infinite recursion will occur "only" if a ModuleInSort can be 
found among the loopElements of any of the ModuleInSort of its loopElements, 
recursively. Having a junit test case to reproduce the problem may not be easy, 
but we can add a guard against this infinite recursion."






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