java.lang.VerifyError with ExcelExtractor

[paul <ne...@gmail.com>]

Hello.

I downloaded poi version 3.0.2-beta1 from svn, because i want to use
ExcelExtractor. When I try to create ExcelExtractor with POIFSFileSystem it
fails with this exception:

java.lang.VerifyError: (class: org/apache/poi/hssf/extractor/ExcelExtractor, method: <init> signature: (Lorg/apache/poi/hssf/usermodel/HSSFWorkbook;)V) Incompatible argument to function

The code:

     private String getContentFromExcel(InputStream data) throws IOException {
        POIFSFileSystem fs = new POIFSFileSystem(data);
        ExcelExtractor extractor = new ExcelExtractor(fs);
        return extractor.getText();
    }

Thanks for replies.


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Re: java.lang.VerifyError with ExcelExtractor

[Nick Burch <ni...@torchbox.com>]

On Mon, 17 Dec 2007, paul wrote:
> I downloaded poi version 3.0.2-beta1 from svn, because i want to use 
> ExcelExtractor. When I try to create ExcelExtractor with POIFSFileSystem 
> it fails with this exception:
>
> java.lang.VerifyError: (class: org/apache/poi/hssf/extractor/ExcelExtractor, method: <init> signature: (Lorg/apache/poi/hssf/usermodel/HSSFWorkbook;)V) Incompatible argument to function

I'd check your classpath. That sort of error is most commonly caused by 
having an older version of a library (in this case poi) further up the 
classpath. So, it's loading the new excel extractor class from the new 
jar, but the rest of poi from an old version

Nick

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