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The Wales-Wide Web :: Graham Attwell on Learning, Knowledge and Technology Weblog 455 entries 26-October-2007 1 authors
show or hide details for this item Quick request for help Blog Entry 1 reply 01-November-2005 Graham Attwell
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01-November-2005 16:21:46
Last Updated:
01-November-2005 17:22:05
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Graham Attwell
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Need to install Ganttproject on my Mac - OS X. But when I try to start it get the following error message - The jar file "eclipsito.jar" couldn't be launched. Has anyone any ideas on why and what I should do?

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Starting Gantt Project Discussion Topic 0 replies 24-November-2005 Peter
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24-November-2005 22:17:02
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Peter
The JAR isn't runnable directly; you need to double-click GanttProject.app in the same directory.
This is for the latest version (2.0 pre 2). When you unzip it you'll find a few files apart from the JAR, one of which has an icon that looks like a yellow dart with grey wings. Double click this and it should work OK. Double clicking a JAR only works if the developers nominated a main class in the manifiest. For some reason, the developers of Gantt Project chose not to do this. See this link: http://developer.apple.com/documentation/Java/Conceptual/Java14Development/03-JavaDeployment/JavaDeployment.html#//apple_ref/doc/uid/TP40001885-208243-TPXREF109