Andrew Khoury created IMAGING-355:
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Summary: Large animated GIF takes too much heap memory in
getMetadata
Key: IMAGING-355
URL: https://issues.apache.org/jira/browse/IMAGING-355
Project: Commons Imaging
Issue Type: Bug
Components: Format: GIF
Affects Versions: 1.0-alpha3
Reporter: Andrew Khoury
When calling ImageParser.getMetadata on large gif files the java heap
consumption is extremely high.
For example, see the test project I created:
https://github.com/andrewmkhoury/commons-imaging-gif-test
When the max heap is set to `-Xmx1488M` or lower it fails with this exception.
When the heap is set to `-Xmx1489M` it works.
{code:java}
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at java.base/java.util.Arrays.copyOf(Arrays.java:3745)
at
java.base/java.io.ByteArrayOutputStream.toByteArray(ByteArrayOutputStream.java:211)
at
org.apache.commons.imaging.mylzw.MyLzwDecompressor.decompress(MyLzwDecompressor.java:143)
at
org.apache.commons.imaging.formats.gif.GifImageParser.readImageDescriptor(GifImageParser.java:881)
at
org.apache.commons.imaging.formats.gif.GifImageParser.readBlocks(GifImageParser.java:596)
at
org.apache.commons.imaging.formats.gif.GifImageParser.readFile(GifImageParser.java:696)
at
org.apache.commons.imaging.formats.gif.GifImageParser.readFile(GifImageParser.java:680)
at
org.apache.commons.imaging.formats.gif.GifImageParser.getMetadata(GifImageParser.java:485)
at
org.apache.commons.imaging.formats.gif.GifImageParser.getMetadata(GifImageParser.java:58)
at
org.apache.commons.imaging.ImageParser.getMetadata(ImageParser.java:832)
at Test.main(Test.java:28)
{code}
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