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From "Christian Grobmeier (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SANDBOX-305) CPIO reports unexpected EOF
Date Mon, 23 Mar 2009 07:10:51 GMT

     [ https://issues.apache.org/jira/browse/SANDBOX-305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christian Grobmeier updated SANDBOX-305:
----------------------------------------

    Attachment: patch-improvedcpiodocs.txt

This patch improves the javadoc of the CPIO classes - it has been done due to analysis of
this issue

> 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
>         Attachments: patch-improvedcpiodocs.txt
>
>
> 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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