rlevas opened a new pull request #939: HADOOP-16340. ABFS driver continues to retry on IOException responsesfrom REST operations URL: https://github.com/apache/hadoop/pull/939 ABFS driver continues to retry (until retry count is exhausted) upon IOException responses from REST operations. In the exception hander for IOExceptions at https://github.com/apache/hadoop/blob/65f60e56b082faf92e1cd3daee2569d8fc669c67/hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsRestOperation.java#L174-L197, there is no way exit out of the retry loop by re-throwing an exception unless one of the following conditions have been met: - The retry limit was hit - An HttpException was encountered From an org.apache.hadoop.fs.azurebfs.extensions.CustomTokenProviderAdaptee or org.apache.hadoop.fs.azurebfs.extensions.CustomDelegationTokenManager implementation, there is no way to create an org.apache.hadoop.fs.azurebfs.oauth2.AzureADAuthenticator.HttpException since the constructor is package private. To solve this issue, access to org.apache.hadoop.fs.azurebfs.oauth2.AzureADAuthenticator.HttpException needs to be set to that custom implementations can use it. This patch changes the org.apache.hadoop.fs.azurebfs.oauth2.AzureADAuthenticator.HttpException constructor to private rather than package private.
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