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getResourceAsStream [message #1229786]

Fri, 10 January 2014 08:07

Jayaprakash K

Messages: 1
Registered: January 2014

Junior Member

I am using eclipse-indigo.

I download a file from internet then use that in eclipse by copying that file to my working place then create a new java project with that same name. In that program there is a line to read a file by using

classname.class.getResourceAsStream("textfilename");

but it throws a NullPointerException.

Then, I create a new java project in eclipse and check that reading this file as a small program,that executes successfully. The files are within the same package in both cases.

Please guide me the above, and also I am looking for advice on how to link a file in eclipse indigo.
Thanks in advance.

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Re: getResourceAsStream [message #1230237 is a reply to message #1229786]

Sat, 11 January 2014 11:46

Ed Merks

Messages: 33137
Registered: July 2009

Senior Member

If the file copied to the bin folder? You can use the Navigator view to
inspect what's in the bin folder.

On 10/01/2014 3:41 PM, Jayaprakash K wrote:
> I am using eclipse-indigo.
>
> I download a file from internet then use that in eclipse by copying
> that file to my working place then create a new java project with that
> same name. In that program there is a line to read a file by using
>
> classname.class.getResourceAsStream("textfilename");
>
> but it throws a NullPointerException.
>
> Then, I create a new java project in eclipse and check that reading
> this file as a small program,that executes successfully. The files are
> within the same package in both cases.
>
> Please guide me the above, and also I am looking for advice on how to
> link a file in eclipse indigo.
> Thanks in advance.

Ed Merks
Professional Support: https://www.macromodeling.com/

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Re: getResourceAsStream [message #1231496 is a reply to message #1229786]

Tue, 14 January 2014 20:33

Dilton McGowan II

Messages: 110
Registered: July 2009

Senior Member

On Fri, 10 Jan 2014 09:41:18 -0500, Jayaprakash K wrote:

> I am using eclipse-indigo.
>
> I download a file from internet then use that in eclipse by copying that file to my working place then create a new java project with that same name. In that program there is a line to read a file by using
>
> classname.class.getResourceAsStream("textfilename");
>
> but it throws a NullPointerException.
>
> Then, I create a new java project in eclipse and check that reading this file as a small program,that executes successfully. The files are within the same package in both cases.
>
> Please guide me the above, and also I am looking for advice on how to link a file in eclipse indigo.
> Thanks in advance.

Sometimes it's helpful to write a test file where
you are trying to read the original file from then
locate the test file on disk to see where it actually
got written to.

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