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Bug 178743 - Build fails: scala.tools.nsc.MissingRequirementError: object scala not found
Summary: Build fails: scala.tools.nsc.MissingRequirementError: object scala not found
Status: RESOLVED INCOMPLETE
Alias: None
Product: contrib
Classification: Unclassified
Component: Scala (show other bugs)
Version: 6.x
Hardware: PC Windows XP
: P2 normal (vote)
Assignee: _ dcaoyuan
URL:
Keywords: SPACE_IN_PATH
Depends on:
Blocks:
 
Reported: 2009-12-16 09:42 UTC by sanjay_dasgupta
Modified: 2011-11-16 16:42 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter:

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Description sanjay_dasgupta 2009-12-16 09:42:25 UTC 
I have just downloaded the brand-new Netbeans 6.8 release, and am using the Scala plugin downloaded in file "nb-scala-6.8v1.1.0rc1.zip". My JDK version is build "1.6.0_17-b04".

When I try to "clean & build" any Scala source file (even a small 5-line) "Hello world" program, the following error is given. The Scala development facility is not usable at all for any Scala project or source.

init:
deps-clean:
Deleting directory D:\Things\ScalaNetBeans\One\build
clean:
init:
deps-jar:
Created dir: D:\Things\ScalaNetBeans\One\build\classes
Compiling 1 source file to D:\Things\ScalaNetBeans\One\build\classes
scala.tools.nsc.MissingRequirementError: object scala not found.
        at scala.tools.nsc.symtab.Definitions$definitions$.getModuleOrClass(Definitions.scala:509)
        at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackage(Definitions.scala:43)
        at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackageClass(Definitions.scala:44)
        at scala.tools.nsc.symtab.Definitions$definitions$.UnitClass(Definitions.scala:86)
        at scala.tools.nsc.symtab.Definitions$definitions$.init(Definitions.scala:765)
        at scala.tools.nsc.Global$Run.<init>(Global.scala:620)
        at scala.tools.nsc.Main$.process(Main.scala:108)
        at scala.tools.nsc.Main$.main(Main.scala:123)
        at scala.tools.nsc.Main.main(Main.scala)
error: fatal error: object scala not found.
D:\Things\ScalaNetBeans\One\nbproject\build-impl.xml:422: The following error occurred while executing this line:
D:\Things\ScalaNetBeans\One\nbproject\build-impl.xml:255: Compilation failed because of an internal compiler error; see the error output for details.
BUILD FAILED (total time: 2 seconds)
Comment 1 sanjay_dasgupta 2009-12-20 20:50:00 UTC 
This problem can be avoided by installing Scala in a directory path without embedded spaces.

In my case (on Windows XP), the problem went away when I moved the Scala installation from "C:\Program Files\Scala-2.8.0" to "C:\Scala-2.8.0"

The need to avoid directory paths with embedded spaces has been mentioned in other contexts (project directory, and Netbeans installation directory), but the problem appears to more pervasive, and possibly applies to directories in general.