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From "Sascha Rodekamp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TIKA-653) Can't detected MimeType from FileInputStream
Date Tue, 03 May 2011 09:25:03 GMT
Can't detected MimeType from FileInputStream
--------------------------------------------

                 Key: TIKA-653
                 URL: https://issues.apache.org/jira/browse/TIKA-653
             Project: Tika
          Issue Type: Bug
    Affects Versions: 0.9
            Reporter: Sascha Rodekamp


Hi,
i have a problem with the detection of the mime type from an file input stream.
It always throws an IO Exception. I tried to wrap the FileInputStream in a BufferedInputStream
because the BIS but it doesn't help. Here the Stack Trace:

{code}
Exception: java.io.IOException
Message: Read error
---- stack trace ---------------------------------------------------------------
java.io.IOException: Read error
java.io.FileInputStream.readBytes(Native Method)
java.io.FileInputStream.read(FileInputStream.java:199)
java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
java.io.BufferedInputStream.read1(BufferedInputStream.java:258)
java.io.BufferedInputStream.read(BufferedInputStream.java:317)
java.io.FilterInputStream.read(FilterInputStream.java:90)
org.apache.tika.mime.MimeTypes.readMagicHeader(MimeTypes.java:300)
org.apache.tika.mime.MimeTypes.detect(MimeTypes.java:535)
org.apache.tika.Tika.detect(Tika.java:132)
org.apache.tika.Tika.detect(Tika.java:155)
{code}

It works great with a ByteArrayInputStream.

MyCode to get the MimeType from the InputStream is:

{code}
if (!is.markSupported()) {
        	is = new BufferedInputStream(is);
        }
    	Tika tika = new Tika();
        try {
	        return tika.detect(is);
        }
        .....
{code}

Is this a bug in the library or my fault?

any help would be great:)



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