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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COMPRESS-382) OutOfMemoryError from CompressorStreamFactory
Date Mon, 24 Apr 2017 20:55:04 GMT

    [ https://issues.apache.org/jira/browse/COMPRESS-382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15981904#comment-15981904
] 

Gary Gregory commented on COMPRESS-382:
---------------------------------------

I propose builders because this avoids creating every combination of constructors and avoids
breaking BC (assuming you start with builders). If you need a new parameter, you can just
add it to the builder without worrying about how many ctors to create. IMO, this is better
even if there is more code initially.

> OutOfMemoryError from CompressorStreamFactory
> ---------------------------------------------
>
>                 Key: COMPRESS-382
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-382
>             Project: Commons Compress
>          Issue Type: Bug
>          Components: Compressors
>    Affects Versions: 1.10, 1.11, 1.12
>         Environment: Windows7, jre1.8.0_101 x64
>            Reporter: Luis Filipe Nassif
>         Attachments: data.mui
>
>
> While using Tika-1.14 to detect file types, the attached 1KB file triggered an OOME with
1GB heap. Tika calls CompressorStreamFactory.createCompressorInputStream(in) to detect if
the file is a compressor stream, but CompressorStreamFactory erroneously detects it as a LZMACompressorInputStream
and when the LZMACompressorInputStream is instanciated the OOME is thrown. This error does
not happen with commons-compress versions prior to 1.10, when auto detecting LZMA streams
was added. OOME stacktrace below:
> {code}
> Caused by: java.lang.OutOfMemoryError: Java heap space
> 	at org.tukaani.xz.lz.LZDecoder.<init>(Unknown Source) ~[xz-1.5.jar:1.5]
> 	at org.tukaani.xz.LZMAInputStream.initialize(Unknown Source) ~[xz-1.5.jar:1.5]
> 	at org.tukaani.xz.LZMAInputStream.initialize(Unknown Source) ~[xz-1.5.jar:1.5]
> 	at org.tukaani.xz.LZMAInputStream.<init>(Unknown Source) ~[xz-1.5.jar:1.5]
> 	at org.tukaani.xz.LZMAInputStream.<init>(Unknown Source) ~[xz-1.5.jar:1.5]
> 	at org.apache.commons.compress.compressors.lzma.LZMACompressorInputStream.<init>(LZMACompressorInputStream.java:48)
~[commons-compress-1.10.jar:1.10]
> 	at org.apache.commons.compress.compressors.CompressorStreamFactory.createCompressorInputStream(CompressorStreamFactory.java:251)
~[commons-compress-1.10.jar:1.10]
> 	at org.apache.tika.parser.pkg.ZipContainerDetector.detectCompressorFormat(ZipContainerDetector.java:109)
~[tika-parsers-1.14.jar:1.14]
> 	at org.apache.tika.parser.pkg.ZipContainerDetector.detect(ZipContainerDetector.java:95)
~[tika-parsers-1.14.jar:1.14]
> 	at org.apache.tika.detect.CompositeDetector.detect(CompositeDetector.java:77) ~[tika-core-1.14.jar:1.14]
> 	at dpf.sp.gpinf.indexer.process.task.SignatureTask.process(SignatureTask.java:50) ~[iped.jar:?]
> 	at dpf.sp.gpinf.indexer.process.task.AbstractTask.processMonitorTimeout(AbstractTask.java:203)
~[iped.jar:?]
> 	at dpf.sp.gpinf.indexer.process.task.AbstractTask.processAndSendToNextTask(AbstractTask.java:152)
~[iped.jar:?]
> 	at dpf.sp.gpinf.indexer.process.task.AbstractTask.sendToNextTask(AbstractTask.java:190)
~[iped.jar:?]
> 	at dpf.sp.gpinf.indexer.process.task.AbstractTask.processAndSendToNextTask(AbstractTask.java:160)
~[iped.jar:?]
> 	at dpf.sp.gpinf.indexer.process.task.AbstractTask.sendToNextTask(AbstractTask.java:190)
~[iped.jar:?]
> 	at dpf.sp.gpinf.indexer.process.task.AbstractTask.processAndSendToNextTask(AbstractTask.java:160)
~[iped.jar:?]
> 	at dpf.sp.gpinf.indexer.process.task.AbstractTask.sendToNextTask(AbstractTask.java:190)
~[iped.jar:?]
> 	at dpf.sp.gpinf.indexer.process.task.AbstractTask.processAndSendToNextTask(AbstractTask.java:160)
~[iped.jar:?]
> 	at dpf.sp.gpinf.indexer.process.Worker.process(Worker.java:174) ~[iped.jar:?]
> 	... 1 more
> {code}



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