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https://issues.apache.org/jira/browse/LOG4J2-1135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14933329#comment-14933329
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Remko Popma commented on LOG4J2-1135:
-------------------------------------
It looks like one line of code got deleted while adding support for other
compression types:
{code}
if (renameTo.endsWith(EXT_GZIP)) {
renameTo = renameTo.substring(0, renameTo.length() - EXT_GZIP.length()); //
THIS LINE WAS ACCIDENTALLY DELETED
compressAction = new GzCompressAction(new File(renameTo), new
File(compressedName), true);
} else if (renameTo.endsWith(EXT_ZIP)) {
...
{code}
> Rollover renames to .zip file without compressing
> -------------------------------------------------
>
> Key: LOG4J2-1135
> URL: https://issues.apache.org/jira/browse/LOG4J2-1135
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.4
> Reporter: Remko Popma
> Fix For: 2.4.1
>
>
> 林柏川 (Po-Chuan Lin) reported on the log4j-user mailing list that since 2.4
> compression on rollover is broken.
> I see the following output from the status logger:
> {noformat}
> 2015-09-26 17:43:44,004 main DEBUG RollingFileManager executing synchronous
> FileRenameAction[logs\test531.log to
> logs\test531\201509261743\TEST-201509261743-1.log.gz, renameEmptyFiles=false]
> 2015-09-26 17:43:44,004 main DEBUG RollingFileManager executing async
> GzCompressAction[logs\test531\201509261743\TEST-201509261743-1.log to
> logs\test531\201509261743\TEST-201509261743-1.log.gz, deleteSource=true]
> {noformat}
> It looks like the file is first renamed to the eventual target file name
> (with the .zip or .gz etc extension) but not compressed yet. After this the
> asynchronous compress action tries to rename the moved log file but since the
> file was renamed to the wrong name it cannot find it and therefore it is not
> compressed.
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