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POFile.length() different than windows, file contents still equal?
 

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  1. POFile.length() different than windows, file contents still equal?
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    <h2>Read the update at the bottom</h2> <p>I've been scratching my head over this for a few hours and cannot seem to figure this out.</p> <p>For a unit test, we copy a file to a temporary location and run soms scenario's on it. This file copy does VERY weird things. This only happens with PDF files, images were not affected. I've tried a few different ways of copying/gathering file sizes and all do the same thing.</p> <ul> <li>The file.length() is not consistent with what windows lists. java thinks the file is larger (roughly 25% more bytes)</li> <li>When the file/bytes are read/copied/etc they end up with the number of bytes JAVA reports. (too many)</li> <li>Intellij reports both input and output files as identical. (possible due to intellij using java for its diffs)</li> <li>when i open both files notepad++, there are a few differences. All text based information (it is a pdf) is identical. data wrapped in 'stream' tags is different!</li> </ul> <p>the original: </p> <p>xÚ¥‘=OÃ@†÷ü</p> <p>the new file:</p> <p>xڥ�=O�@���</p> <p>This leads me to suspect an encoding issue or something alike...</p> <p>But...</p> <ul> <li>Why does this happen on a byte per byte copy?</li> <li>Why does this happen when using a simple file.length()?</li> </ul> <p>Has anyone come across something like this or knows in which direction i should search?</p> <p>Upon request: This is the code used to copy the files:</p> <p><code>assetFile = TempFileUtil.createTempFile(transformationId + "_" + inputFile.getName()); FileUtils.copyFile(inputFile, assetFile);</code></p> <p>and the createTempFile method is:</p> <p><code>public static File createTempFile(final String filename) { return new File(baseOutputPath, filename); }</code></p> <h1>update</h1> <p>I've discoverd that the fault was not with the copying but with the way resources are handled in unit tests. The /src/resources/ folder contents are moved/linked/copied to targer/test-classes/ folder so it is accessible in unit tests etc... and that is where is goes wrong... I'm still trying to find out why this is failing.</p>
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    1. COYou're not maybe checking the KB / MB and incorrectly assuming this is 1000 / 1000^2 bytes, are you? (it's 1024 / 1024^2 bytes)
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    2. COI'm comparing with the exact number of bytes listed by windows in the properties window.
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    3. COMy guess is that you are not doing a byte-by-byte copy. Show us the copy code.
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      1. USStephen C
 

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