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Posted to dev@flume.apache.org by "Hans Uhlig (JIRA)" <ji...@apache.org> on 2013/06/07 10:31:20 UTC
[jira] [Updated] (FLUME-2074) ResettableInputStream returns -1 when
parsing binary stream 0xff
[ https://issues.apache.org/jira/browse/FLUME-2074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hans Uhlig updated FLUME-2074:
------------------------------
Description:
ResettableInputStream returns signed values( -128 - 127 ) when reading data, specifically -1 when file stream contains 0xFF rather than unsigned data (0-255) and negative control signals. This causes a premature EOF to be detected by deserializers written to obey defined control signals.
ResettableInputStream.read() returns an integer and should be returning the unsigned value of the byte (0 - 255) with -1 as en EOF rather than the signed value of (-128 - 127).
was:
ResettableInputStream returns -1 when parsing binary stream 0xff which causes deserializers using -1 to indicate EOF to truncate prematurely.
ResettableInputStream.read() returns an int and should be returning the unsigned value of the byte (0 - 255) with -1 as en EOF rather than the signed value of (-128 - 127).
> ResettableInputStream returns -1 when parsing binary stream 0xff
> ----------------------------------------------------------------
>
> Key: FLUME-2074
> URL: https://issues.apache.org/jira/browse/FLUME-2074
> Project: Flume
> Issue Type: Bug
> Components: Sinks+Sources
> Affects Versions: v1.4.0
> Reporter: Hans Uhlig
> Priority: Critical
>
> ResettableInputStream returns signed values( -128 - 127 ) when reading data, specifically -1 when file stream contains 0xFF rather than unsigned data (0-255) and negative control signals. This causes a premature EOF to be detected by deserializers written to obey defined control signals.
> ResettableInputStream.read() returns an integer and should be returning the unsigned value of the byte (0 - 255) with -1 as en EOF rather than the signed value of (-128 - 127).
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