[Wala-wala] PDFSlice example faild

[Hanin Talal]

Good Afternoon everyone,

I tried to run the PDFSlice example with the testdata.jar after building the wala project via gradle in intellij. the build within intellij GUI succeed but the example run give me the following result:

> Task :com.ibm.wala.core:PDFSlice.main()
Statement: NORMAL main:5 = invokestatic < Application, Lslice/Slice4, foo(I)I > 3 @1 exception:4 Node: < Application, Lslice/Slice4, main([Ljava/lang/String;)V > Context: Everywhere
SLICE:

1   NORMAL_RET_CALLER:Node: < Application, Lslice/Slice4, main([Ljava/lang/String;)V > Context: Everywhere[1]5 = invokestatic < Application, Lslice/Slice4, foo(I)I > 3 @1 exception:4
2   NORMAL main:invokestatic < Application, Lslice/Slice4, bar(I)V > 5 @6 exception:6 Node: < Application, Lslice/Slice4, main([Ljava/lang/String;)V > Context: Everywhere
3   PARAM_CALLER:Node: < Application, Lslice/Slice4, main([Ljava/lang/String;)V > Context: Everywhere[4]invokestatic < Application, Lslice/Slice4, bar(I)V > 5 @6 exception:6 v5
4   PARAM_CALLEE:Node: < Application, Lslice/Slice4, bar(I)V > Context: Everywhere v1
Exception in thread "main" java.lang.IllegalArgumentException: null gvExe
at com.ibm.wala.core.viz.PDFViewUtil.launchPDFView(PDFViewUtil.java:166)
at com.ibm.wala.examples.drivers.PDFSlice.run(PDFSlice.java:207)
at com.ibm.wala.examples.drivers.PDFSlice.run(PDFSlice.java:112)
at com.ibm.wala.examples.drivers.PDFSlice.main(PDFSlice.java:100)

> Task :com.ibm.wala.core:PDFSlice.main() FAILED

I will be so thankful for any help!

Best regards,

Hanin

[Manu Sridharan]

Hi Hanin,

It looks like everything you did succeeded, it just failed in showing the PDF file.  If you look in the specified output directory do you see the PDF file there?  Probably you can just hack the code to not try to display the PDF.  Or you can set up your wala.properties file to point to a PDF viewer executable, and it should work.

Thanks,

Manu

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