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Surendra Singh Lilhore edited comment on FLINK-30745 at 1/22/23 5:54 AM: ------------------------------------------------------------------------- [~dheerajpanangat] , sorry for late reply. As mentioned in Flink doc ([Azure blob Flink configuration |https://nightlies.apache.org/flink/flink-docs-master/docs/deployment/filesystems/azure/] ), you need to configure abfs properties in *flink-conf.yaml.* [HadoopConfigLoader |https://github.com/apache/flink/blob/master/flink-filesystems/flink-hadoop-fs/src/main/java/org/apache/flink/runtime/util/HadoopConfigLoader.java#L82] load this configuration from flink configuration. {quote}Provided the shaded classes instead of Hadoop classes {quote} You we correct Please configure below properties in flink-conf.yaml in Kubernetes cluster and try. {noformat} fs.azure.account.auth.type : OAuth fs.azure.account.oauth.provider.type : org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.oauth2.ClientCredsTokenProvider fs.azure.account.oauth2.client.id : <application_id> fs.azure.account.oauth2.client.secret : <secret> fs.azure.account.oauth2.client.endpoint : https://XXXXXXXXXXXXXX.com/XXXXXXXXXXXXXXXXXXXXX/oauth2/token {noformat} was (Author: surendrasingh): [~dheerajpanangat] , sorry for late reply. As mentioned in flink doc ([Azure Blob Storage | Apache Flink|https://nightlies.apache.org/flink/flink-docs-master/docs/deployment/filesystems/azure/]), you need to configure abfs properties in *flink-conf.yaml.* [HadoopConfigLoader |https://github.com/apache/flink/blob/master/flink-filesystems/flink-hadoop-fs/src/main/java/org/apache/flink/runtime/util/HadoopConfigLoader.java#L82] load this configuration from flink configuration. {quote}Provided the shaded classes instead of Hadoop classes {quote} You we correct Please configure below properties in flink-conf.yaml in Kubernetes cluster and try. {noformat} fs.azure.account.auth.type : OAuth fs.azure.account.oauth.provider.type : org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.oauth2.ClientCredsTokenProvider fs.azure.account.oauth2.client.id : <application_id> fs.azure.account.oauth2.client.secret : <secret> fs.azure.account.oauth2.client.endpoint : https://XXXXXXXXXXXXXX.com/XXXXXXXXXXXXXXXXXXXXX/oauth2/token {noformat} > Check-pointing with Azure Data Lake Storage > ------------------------------------------- > > Key: FLINK-30745 > URL: https://issues.apache.org/jira/browse/FLINK-30745 > Project: Flink > Issue Type: Bug > Components: Connectors / FileSystem > Affects Versions: 1.15.2, 1.14.6 > Reporter: Dheeraj Panangat > Priority: Major > > Hi, > While checkpointing to Azure Blob Storage using Flink, we get the following > error : > {code:java} > Caused by: Configuration property <accoutnname>.dfs.core.windows.net not > found. > at > org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.AbfsConfiguration.getStorageAccountKey(AbfsConfiguration.java:372) > at > org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore.initializeClient(AzureBlobFileSystemStore.java:1133) > at > org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore.<init>(AzureBlobFileSystemStore.java:174) > at > org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.AzureBlobFileSystem.initialize(AzureBlobFileSystem.java:110) > {code} > We have given the configurations in core-site.xml too for following > {code:java} > fs.hdfs.impl > fs.abfs.impl -> org.apache.hadoop.fs.azurebfs.AzureBlobFileSystem > fs.file.impl > fs.azure.account.auth.type > fs.azure.account.oauth.provider.type > fs.azure.account.oauth2.client.id > fs.azure.account.oauth2.client.secret > fs.azure.account.oauth2.client.endpoint > fs.azure.createRemoteFileSystemDuringInitialization -> true {code} > On debugging found that flink reads from core-default-shaded.xml, but even if > the properties are specified there, the default configs are not loaded and we > get a different exception as : > {code:java} > Caused by: Unable to load key provider class. > at > org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.AbfsConfiguration.getTokenProvider(AbfsConfiguration.java:540) > at > org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore.initializeClient(AzureBlobFileSystemStore.java:1136) > at > org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.AzureBlobFileSystemStore.<init>(AzureBlobFileSystemStore.java:174) > at > org.apache.flink.fs.shaded.hadoop3.org.apache.hadoop.fs.azurebfs.AzureBlobFileSystem.initialize(AzureBlobFileSystem.java:110) > {code} > -- This message was sent by Atlassian Jira (v8.20.10#820010)