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From "Christian Grobmeier (JIRA)" <j...@apache.org>
Subject [jira] Created: (SANDBOX-305) CPIO reports unexpected EOF
Date Fri, 20 Mar 2009 06:38:50 GMT
CPIO reports unexpected EOF
---------------------------

                 Key: SANDBOX-305
                 URL: https://issues.apache.org/jira/browse/SANDBOX-305
             Project: Commons Sandbox
          Issue Type: Bug
          Components: Compress
            Reporter: Christian Grobmeier


When unpacking an CPIO archive (made with the compress classes or even made with OSX cpio
comandline tool) an EOF exception is thrown.
Here is the testcode:

        final File input = getFile("cmdcreated.cpio");

        final InputStream in = new FileInputStream(input);
        CpioArchiveInputStream cin = new CpioArchiveInputStream(in);

        CpioArchiveEntry entry = null;

        while ((entry = (CpioArchiveEntry) cin.getNextCPIOEntry()) != null) {
            File target = new File(dir, entry.getName());
            final OutputStream out = new FileOutputStream(target);
            IOUtils.copy(in, out);
            out.close();
        }

        cin.close();

Stacktrace is here:

java.io.EOFException
	at org.apache.commons.compress.archivers.cpio.CpioArchiveInputStream.readFully(CpioArchiveInputStream.java:293)
	at org.apache.commons.compress.archivers.cpio.CpioArchiveInputStream.getNextCPIOEntry(CpioArchiveInputStream.java:168)
	at org.apache.commons.compress.archivers.cpio.CpioArchiveInputStreamTest.testCpioUnpack(CpioArchiveInputStreamTest.java:26)
	...

This happens with the first read access to the archive. It occured while my try to improve
the testcases.



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