[JIRA] Resolved: (FOR-471) Missing "--noconfig" causes NoClassDefFoundError due to ant sourcing external config files

[is...@cocoondev.org]

Message:

   The following issue has been resolved as INCOMPLETE.

   Resolver: David Crossley
       Date: Sun, 20 Mar 2005 10:14 PM

Thanks, i added that to the UNIX script bin/forrest

However, someone on Windows please advise if we need to do the same to bin/forrest.bat

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View the issue:
  http://issues.cocoondev.org//browse/FOR-471

Here is an overview of the issue:
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        Key: FOR-471
    Summary: Missing "--noconfig" causes NoClassDefFoundError due to ant sourcing external config files
       Type: Bug

     Status: Resolved
   Priority: Major
 Resolution: INCOMPLETE

    Project: Forrest
 Components: 
             Launch 'forrest'
             Launch 'forrest run'
             Core operations
   Fix Fors:
             0.7-dev
   Versions:
             0.6
             0.7-dev

   Assignee: 
   Reporter: Richard Calmbach

    Created: Fri, 18 Mar 2005 12:35 PM
    Updated: Sun, 20 Mar 2005 10:14 PM
Environment: Any system that already has an Ant installation with config files in the standard locations (/etc/ant.conf, $HOME/.ant/ant.conf, $HOME/.antrc).

Description:
Forrest comes with a self-contained Ant distribution. In order for it to work properly, it is important to avoid picking up Ant config files that belong to other potentially existing Ant installations on the system. On Red Hat Linux, e.g., the RPM package for ant 1.5.2 installs /etc/ant.conf. When running Forrest 0.6 out of the box (e.g., "forrest -projecthelp"), the tools/ant/bin/ant script included with Forrest sources /etc/ant.conf and picks up an incorrect value for ANT_HOME (/usr/share/ant in this case). This results in a

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/tools/ant/launch/Launcher

exception when trying to run forrest because there is no /usr/share/ant/lib/ant-launcher.jar. Even if there was, we wouldn't want to pick up those jars anyway, we want the ones that came with Forrest.

The fix is to change line 95 (as of v0.6) in src/core/bin/forrest from

"$ANT_HOME/bin/ant" -buildfile "$ANTFILE" -Dbasedir="$PROJECT_HOME" -Dforrest.home="$FORREST_DOT_HOME" -emacs $@

to

"$ANT_HOME/bin/ant" --noconfig -buildfile "$ANTFILE" -Dbasedir="$PROJECT_HOME" -Dforrest.home="$FORREST_DOT_HOME" -emacs $@

This tells ant to ignore default config files, which is what we want in this case since the ant used by forrest is completely self-contained.

As of 3-18-05, this bug is still present in the HEAD revision of the forrest startup script (since v0.7-dev known as bin/forrest).


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