Early in the build we get ...

[INFO] Processing 3 grammar files to /home/pi/narayana/ArjunaJTS/idl/idlj/target/generated-sources/idl
[INFO] [ERROR] /home/pi/narayana/ArjunaJTS/idl/src/main/idl/omg/CosTransactions.idl (line 35): java.io.FileNotFoundException: orb.idl
#include <orb.idl>
^

[ERROR] /home/pi/narayana/ArjunaJTS/idl/src/main/idl/omg/CosTransactions.idl (line 35): java.io.FileNotFoundException: orb.idl
#include <orb.idl>
^

[INFO] [ERROR] /home/pi/narayana/ArjunaJTS/idl/src/main/idl/omg/CosTransactions.idl (line 35): java.io.FileNotFoundException: orb.idl
#include <orb.idl>
^

[ERROR] /home/pi/narayana/ArjunaJTS/idl/src/main/idl/omg/CosTransactions.idl (line 35): java.io.FileNotFoundException: orb.idl
#include <orb.idl>
^

[INFO] [ERROR] /home/pi/narayana/ArjunaJTS/idl/src/main/idl/omg/CosTransactions.idl (line 35): java.io.FileNotFoundException: orb.idl
#include <orb.idl>
^

[ERROR] /home/pi/narayana/ArjunaJTS/idl/src/main/idl/omg/CosTransactions.idl (line 35): java.io.FileNotFoundException: orb.idl
#include <orb.idl>
^
And eventually this results in ...

[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4:03:24.556s
[INFO] Finished at: Sat Dec 22 20:32:47 UTC 2012
[INFO] Final Memory: 38M/105M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.9:test (surefire-idlj) on project jts: Execution surefire-idlj of goal org.apache.maven.plugins:maven-surefire-plugin:2.9:test failed: java.lang.reflect.InvocationTargetException; nested exception is java.lang.reflect.InvocationTargetException: null: org/omg/CosTransactions/ResourceOperations: org.omg.CosTransactions.ResourceOperations -> [Help 1]

It would also be good if there was a build-time switch to disable using idlj. Building with the idlj option at the start (as mentioned in the README) would imply that this is the way to go and that building just using jts therefore only uses jacorb, but it seems that the jts rule builds with both orbs.