Robert Muir created LUCENE-9774:
-----------------------------------
Summary: TestDirectIODirectory fails with EINVAL on some
filesystems
Key: LUCENE-9774
URL: https://issues.apache.org/jira/browse/LUCENE-9774
Project: Lucene - Core
Issue Type: Improvement
Reporter: Robert Muir
These tests fail for me because i run tests on a tmpfs mount (to save my SSD).
This DirectIOIndexOutput documents via {{@throws}} that it will throw
UnsupportedOperationException if Direct I/O is unsupported, but I get
IOException("Invalid argument"). I think we should add another {{@throws}} to
the javadocs.
As far as TestDirectIODirectory.checkSupported(), this currently only checks
that the JDK has support, but not the filesystem. In my case the filesystem is
unsupported, so maybe we should add an additional test for that.
{noformat}
2> NOTE: reproduce with: gradlew test --tests TestDirectIODirectory.testVLong
-Dtests.seed=7CED10E6374B34E6 -Dtests.slow=true -Dtests.badapples=true
-Dtests.locale=sr-Latn-RS -Dtests.timezone=ART -Dtests.asserts=true
-Dtests.file.encoding=UTF-8
> java.nio.file.FileSystemException:
/tmp/lucene_gradle/lucene.misc.store.TestDirectIODirectory_7CED10E6374B34E6-001/testUnalignedFloats-001/Floats:
Invalid argument
> at
__randomizedtesting.SeedInfo.seed([7CED10E6374B34E6:551B4601DED6C6E8]:0)
> at
java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:100)
> at
java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106)
> at
java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111)
> at
java.base/sun.nio.fs.UnixFileSystemProvider.newFileChannel(UnixFileSystemProvider.java:181)
> at
org.apache.lucene.mockfile.FilterFileSystemProvider.newFileChannel(FilterFileSystemProvider.java:200)
> at
org.apache.lucene.mockfile.HandleTrackingFS.newFileChannel(HandleTrackingFS.java:171)
> at
org.apache.lucene.mockfile.HandleTrackingFS.newFileChannel(HandleTrackingFS.java:171)
> at
org.apache.lucene.mockfile.FilterFileSystemProvider.newFileChannel(FilterFileSystemProvider.java:200)
> at
java.base/java.nio.channels.FileChannel.open(FileChannel.java:292)
> at
java.base/java.nio.channels.FileChannel.open(FileChannel.java:345)
> at
org.apache.lucene.misc.store.DirectIODirectory$DirectIOIndexOutput.<init>(DirectIODirectory.java:217)
{noformat}
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