There are several issues that report compilation errors with a message like:
[error] impossible to get artifacts when data has not been loaded. IvyNode = com.fasterxml.jackson.core#jackson-databind;2.5.4
java.lang.IllegalStateException: impossible to get artifacts when data has not been loaded. IvyNode = com.fasterxml.jackson.core#jackson-databind;2.5.4
There are several issues that report compilation errors with a message like:
Examples:
It looks like this message stems from a bug in Ivy which has since been fixed (https://github.com/sbt/sbt/issues/1598). I'm guessing the fix in Ivy is included in sbt v0.13.9, because upgrading sbt fixed the issue for me, and seems to have helped others, too (e.g., https://github.com/linkedin/dr-elephant/issues/201#issuecomment-283011092).