Leiningen has problems building a working uberjar

Question

We're trying to build our Clojure project with Leiningen. We've succeeded in creating an uberjar by doing the following:

preconditions:

project.clj file lists dependencies
:main my-project.core in project.clj
a core.clj file with a -main function
(:gen-class :main true) in core.clj

procedure:

ran lein test; completed with no failures
ran lein deps; completed successfully
from project.clj's directory: rain lein uberjar
This created two jar files: My-Project-1.0.0-SNAPSHOT-standalone.jar, and My-Project-1.0.0-SNAPSHOT.jar.
ran java -jar BioClojure-1.0.0-SNAPSHOT-standalone.jar, which resulted in this exception:

Exception in thread "main" java.lang.SecurityException: Invalid signature file digest for Manifest main attributes

My research into this problem has not been fruitful. Apparently, it's a known problem with no good solution. I do not understand the answers there.

What do we need to do to get our uberjar working?

determine which of our dependencies is causing the problem?
remove dependencies from our project?
compile the project some other way?
patch leiningen?
use the suggested command: zip *-standalone.jar -d META-INF/DUMMY.SF (I have no idea what this does)
do something with :uberjar-exclusions in the project.clj file? (if so, what?)

Lein and java versions:

$ lein version
Leiningen 1.6.1 on Java 1.6.0_26 Java HotSpot(TM) 64-Bit Server VM

Update: running the command suggested gives:

$ unzip -l BioClojure-1.0.0-SNAPSHOT-standalone.jar | grep -i -e "\.sf"
 49911  08-27-09 15:57   META-INF/RCSB-PDB.SF
     0  03-23-10 08:21   META-INF/maven/net.sf.alxa/
     0  03-23-10 08:21   META-INF/maven/net.sf.alxa/jlatexmath/
   929  03-23-10 08:20   META-INF/maven/net.sf.alxa/jlatexmath/pom.xml
   115  03-21-10 14:01   META-INF/maven/net.sf.alxa/jlatexmath/pom.properties
175241  08-17-11 20:25   META-INF/SELFSIGN.SF
     0  09-21-09 06:45   META-INF/maven/net.sf.opencsv/
     0  09-21-09 06:45   META-INF/maven/net.sf.opencsv/opencsv/
  5510  09-21-09 06:44   META-INF/maven/net.sf.opencsv/opencsv/pom.xml
   106  09-21-09 06:45   META-INF/maven/net.sf.opencsv/opencsv/pom.properties

Sridhar Ratnakumar Sridhar Ratnakumar · Accepted Answer · 2011-10-25T19:44:34

My understanding from reading the comments in that issue is that your problem would go away if you add the following to your project.clj

:uberjar-exclusions [#"foo.sf"]

where foo.sf is the particular .sf file you want to ignore from the jar. You can determine this by running:

unzip -l BioClojure-1.0.0-SNAPSHOT-standalone.jar | grep -i -e "\.sf"

The suggested zip command deletes the particular file from the jar (which is of the ZIP format).

Leiningen has problems building a working uberjar

1 Answers