deftype does not work if containing ns contains dashes


  • Type: Defect Defect
  • Status: Closed Closed
  • Priority: Major Major
  • Resolution: Completed
  • Affects Version/s: None
  • Fix Version/s: Release 1.3
  • Component/s: None
  • Labels:
  • Patch:
    Code and Test
  • Approval:


There's a problem with the compilation (either live or AOT) of e.g. types, if the namespace containing the type definition cointains dashes.

It's quite easy to reproduce: create src/net/yournick/lr_plus.clj , and in this file, have just "(ns (deftype Foo)"
AOT compile this, and shebang! in your classes/ directory you see the following folder structure: classes/net/yournick/lr-plus/

lr-plus/ contains the Foo.class file

folder lr-plus/ should really be lr_plus/

the problem is that while apparently with Oracle JVMs everything works fine while you don't try to AOT compile it, it does not work (even if not AOT'ed) with IBM JRE 6:

Caused by: java.lang.ClassFormatError: JVMCFRE068 class name is invalid; class=compile__stub/net/cgrand/parsley/lr-plus/TableState, offset=0 (lr_plus.clj:8)


Chas Emerick made changes -
Field Original Value New Value
Assignee Chas Emerick [ cemerick ]
Chas Emerick made changes -
Attachment CLJ-432.diff [ 10023 ]
Chas Emerick made changes -
Reporter Laurent Petit [ laurentpetit ]
Priority Blocker [ 1 ]
Patch Code and Test
Chas Emerick made changes -
Approval Vetted Test
Stuart Halloway made changes -
Priority Blocker [ 1 ] Major [ 3 ]
Approval Test Screened
Rich Hickey made changes -
Approval Screened Ok
Stuart Halloway made changes -
Status Open [ 1 ] Resolved [ 5 ]
Resolution Completed [ 1 ]
Stuart Halloway made changes -
Status Resolved [ 5 ] Closed [ 6 ]


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