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* [BUG] Possible Outdated Documentation, Possible Bug. "Can't compile a java block without a classname." Org-babel babel java
@ 2021-09-22  2:06 uruseiiyatsura
  0 siblings, 0 replies; only message in thread
From: uruseiiyatsura @ 2021-09-22  2:06 UTC (permalink / raw)
  To: emacs-orgmode

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[Java Source Code Blocks in Org Mode](https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-java.html) says the following:

"It is not necessary to include the class statement or define a main method. ob-java will wrap a source code block in boilerplate class and main method definitions if they are omitted. If :classname and the class definition in the source code block are both omitted, the class will be named Main."

The following example is provided:

#+begin_src java :results output
System.out.print("hello, world");
#+end_src

This returns error "can't compile a java block without a classname." This contradicts the documentation.

This has been duplicated on Gentoo and Ubuntu 20.04 in Emacs version 27.2. org version 9.4.4, 9.4.6 and 26.3 9.1.9 using the following .emacs.el:

(require 'org)
(org-babel-do-load-languages
'org-babel-load-languages
'(
(java . t)
))

The documentation appears to be outdated or misleading, or missing some crucial piece of information that a newbie needs to be aware of. Please advise on whether this is a bug and how to fix it. I am new to using the mailing list.

Upgrading to 9.4.6 did not fix this

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