Jing Li created COMPRESS-248:
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Summary: Naive OOM when deal with a corrupt .gz file
Key: COMPRESS-248
URL: https://issues.apache.org/jira/browse/COMPRESS-248
Project: Commons Compress
Issue Type: Bug
Components: Compressors
Affects Versions: 1.6
Environment: Fedora 19 x86_64, 8G RAM, Java version "1.7.0_45"
OpenJDK Runtime Environment (fedora-2.4.3.0.fc19-x86_64 u45-b15)
OpenJDK 64-Bit Server VM (build 24.45-b08, mixed mode)
Reporter: Jing Li
I tried to extract three gz files, and they are corrupt. The two of them at
ahead throw the IOExceptions:
Caused by: java.io.IOException: Gzip-compressed data is corrupt
at
org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream.read(GzipCompressorInputStream.java:253)
at java.io.InputStream.read(InputStream.java:82)
...
But when comes to the third one it throw out OOM as below:
java.lang.OutOfMemoryError
at java.util.zip.Inflater.inflateBytes(Native Method)
at java.util.zip.Inflater.inflate(Inflater.java:238)
at
org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream.read(GzipCompressorInputStream.java:251)
at java.io.InputStream.read(InputStream.java:82)
The third file is corrupt, but Linux recognize it as a compressed gz file.
More info:
[jing@localhost logs]$ file stdout.log.txt.gz
stdout.log.txt.gz: gzip compressed data, was "stdout.log_backup", from Unix,
last modified: Tue Nov 19 22:53:19 2013
[jing@localhost logs]$ tar -xvzf stdout.log.txt.gz
gzip: stdin: invalid compressed data--format violated
tar: Child returned status 1
tar: Error is not recoverable: exiting now
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