[Swift-user] NullPointerException

[Andriy Fedorov]

On Tue, Aug 26, 2008 at 3:45 PM, Mihael Hategan <hategan at mcs.anl.gov> wrote:
> On Tue, 2008-08-26 at 15:29 -0400, Andriy Fedorov wrote:
>> Hi,
>>
>> Is there any advice on how I can debug the following error while
>> trying to run a Swift script:
>>
>> Could not compile SwiftScript source: java.lang.NullPointerException
>>
>> (this is the only error message I get)
>
> The -d flag to swift should provide more details (perhaps a stack
> trace).
>

Yes, thanks. Still, no idea how to connect this error with my Swift source:

Could not compile SwiftScript source: java.lang.NullPointerException
Full parser exception
java.lang.NullPointerException
        at org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:515)
        at org.antlr.stringtemplate.language.ASTExpr.writeAttribute(ASTExpr.java:458)
        at org.antlr.stringtemplate.language.ActionEvaluator.action(ActionEvaluator.java:86)
        at org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:93)
        at org.antlr.stringtemplate.StringTemplate.write(StringTemplate.java:693)
        at org.antlr.stringtemplate.StringTemplate.toString(StringTemplate.java:1412)
        at org.griphyn.vdl.toolkit.VDLt2VDLx.compile(VDLt2VDLx.java:64)
        at org.griphyn.vdl.toolkit.VDLt2VDLx.compile(VDLt2VDLx.java:46)
        at org.griphyn.vdl.karajan.Loader.compile(Loader.java:207)
        at org.griphyn.vdl.karajan.Loader.main(Loader.java:123)
Exception when compiling ../pe_script_500-1.swift
org.griphyn.vdl.toolkit.VDLt2VDLx$ParsingException: Could not compile
SwiftScript source: null
        at org.griphyn.vdl.toolkit.VDLt2VDLx.compile(VDLt2VDLx.java:68)
        at org.griphyn.vdl.toolkit.VDLt2VDLx.compile(VDLt2VDLx.java:46)
        at org.griphyn.vdl.karajan.Loader.compile(Loader.java:207)
        at org.griphyn.vdl.karajan.Loader.main(Loader.java:123)
Caused by:
java.lang.NullPointerException
        at org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:515)
        at org.antlr.stringtemplate.language.ASTExpr.writeAttribute(ASTExpr.java:458)
        at org.antlr.stringtemplate.language.ActionEvaluator.action(ActionEvaluator.java:86)
        at org.antlr.stringtemplate.language.ASTExpr.write(ASTExpr.java:93)
        at org.antlr.stringtemplate.StringTemplate.write(StringTemplate.java:693)
        at org.antlr.stringtemplate.StringTemplate.toString(StringTemplate.java:1412)
        at org.griphyn.vdl.toolkit.VDLt2VDLx.compile(VDLt2VDLx.java:64)
        ... 3 more


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