Matt Dutton created TIKA-4538:
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Summary: AZBlobFetcher always throws FileAlreadyExistsException
Key: TIKA-4538
URL: https://issues.apache.org/jira/browse/TIKA-4538
Project: Tika
Issue Type: Bug
Components: tika-pipes
Affects Versions: 3.2.3
Reporter: Matt Dutton
When hosting Tika on Windows, calling the /tika/* endpoints with
{{enableUnsecureFeatures=true}} and using AZBlobFetcher, the {{AZBlobFetcher}}
throws a {{FileAlreadyExistsException}} exception.
The {{AZBlobFetcher}} uses {{TemporaryResources.createTempFile()}} which uses
{{java.nio.file.Files.createTempFile}} to create the temp file. This function
does not just generate a new, unique name but also creates the actual file.
REF: [JavaDoc -
java.nio.file.Files.createTempFile(...)|https://docs.oracle.com/javase/8/docs/api/java/nio/file/Files.html#createTempFile-java.nio.file.Path-java.lang.String-java.lang.String-java.nio.file.attribute.FileAttribute...-]
When {{AZBlobFetcher}} calls {{{}BlobClient.downloadToFile(string){}}}, it
throws an exception for the existing file.
REF: [JavaDoc -
com.azure.storage.blob.specialized.BlobClientBase.downloadToFile(...)|https://javadoc.io/static/com.azure/azure-storage-blob/12.10.1/com/azure/storage/blob/specialized/BlobClientBase.html#downloadToFile-java.lang.String-]
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