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https://issues.apache.org/jira/browse/COMPRESS-518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stefan Bodewig resolved COMPRESS-518.
-------------------------------------
Resolution: Fixed
fixed with commit 1793167c
I've also fixed similar bugs (assuming a certain extra field must be of a given
type) in {{ZipFile}} and {{ZipArchiveOutputStream}} as well.
> Decompression fails with ClassCastException
> -------------------------------------------
>
> Key: COMPRESS-518
> URL: https://issues.apache.org/jira/browse/COMPRESS-518
> Project: Commons Compress
> Issue Type: Bug
> Affects Versions: 1.20
> Reporter: Maksim Zuev
> Priority: Major
> Fix For: 1.21
>
>
> This Kotlin code fails with exception
> Exception in thread "main" java.lang.ClassCastException: class
> org.apache.commons.compress.archivers.zip.UnrecognizedExtraField cannot be
> cast to class
> org.apache.commons.compress.archivers.zip.Zip64ExtendedInformationExtraField
> (org.apache.commons.compress.archivers.zip.UnrecognizedExtraField and
> org.apache.commons.compress.archivers.zip.Zip64ExtendedInformationExtraField
> are in unnamed module of loader 'app')
> at
> org.apache.commons.compress.archivers.zip.ZipArchiveInputStream.processZip64Extra(ZipArchiveInputStream.java:419)
> at
> org.apache.commons.compress.archivers.zip.ZipArchiveInputStream.getNextZipEntry(ZipArchiveInputStream.java:347)
> at
> org.apache.commons.compress.archivers.zip.ZipArchiveInputStream.getNextEntry(ZipArchiveInputStream.java:435)
> at ru.example.kotlinfuzzer.tests.CompressTestKt.main(CompressTest.kt:88)
> at ru.example.kotlinfuzzer.tests.CompressTestKt.main(CompressTest.kt)
> {code:java}
> import org.apache.commons.compress.archivers.ArchiveStreamFactory
> import java.io.ByteArrayInputStream
> fun main() {
> val bytes = listOf(
> 0x50, 0x4b, 0x03, 0x04, 0x2e, 0x00, 0x00, 0x00, 0x0c, 0x00,
> 0x84, 0xb6, 0xba, 0x46, 0x72, 0xb6, 0xfe, 0x77, 0x63, 0x00,
> 0x00, 0x00, 0x6b, 0x00, 0x00, 0x00, 0x03, 0x00, 0x1c, 0x00,
> 0x62, 0x62, 0x62, 0x01, 0x00, 0x09, 0x00, 0x03, 0xe7, 0xce,
> 0x64, 0x55, 0xf3, 0xce, 0x64, 0x55, 0x75, 0x78, 0x0b, 0x00,
> 0x01, 0x04, 0x5c, 0xf9, 0x01, 0x00, 0x04, 0x88, 0x13, 0x00,
> 0x00
> ).map { it.toByte() }.toByteArray()
> val input = ByteArrayInputStream(bytes)
> ArchiveStreamFactory().createArchiveInputStream("zip", input).use { ais ->
> ais.nextEntry
> ais.readAllBytes()
> }
> }
> {code}
> IOException expected.
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