Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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1.17.0
Description
There is a parsing error when I gave two or more hdfs namenodes URI separated by commas as the value of key attribute 'security.kerberos.access.hadoopFileSystems'.
For example, I set this key attribute and value like below in flink-conf.yaml,
security.kerberos.access.hadoopFileSystems: hdfs://hadoop-nn1.testurl.com:8020,hdfs://hadoop-nn2.testurl.com:8020
then, the slash "/" is missing in second URI in parsed value
hdfs://hadoop-nn1.testurl.com:8020,hdfs:/hadoop-nn2.testurl.com:8020
Received error message is here.
Caused by: org.apache.flink.util.FlinkRuntimeException: java.io.IOException: Incomplete HDFS URI, no host: hdfs://hadoop-nn1.testurl.com:8020,hdfs:/hadoop-nn2.testurl.com:8020 at org.apache.flink.runtime.security.token.hadoop.HadoopFSDelegationTokenProvider.lambda$getFileSystemsToAccess$2(HadoopFSDelegationTokenProvider.java:168) ~[flink-dist-1.17.0.jar:1.17.0] at java.util.ArrayList.forEach(ArrayList.java:1259) ~[?:1.8.0_362] at org.apache.flink.runtime.security.token.hadoop.HadoopFSDelegationTokenProvider.getFileSystemsToAccess(HadoopFSDelegationTokenProvider.java:157) ~[flink-dist-1.17.0.jar:1.17.0] at org.apache.flink.runtime.security.token.hadoop.HadoopFSDelegationTokenProvider.lambda$obtainDelegationTokens$1(HadoopFSDelegationTokenProvider.java:113) ~[flink-dist-1.17.0.jar:1.17.0] at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_362] at javax.security.auth.Subject.doAs(Subject.java:422) ~[?:1.8.0_362] at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1966) ~[hadoop-common-2.10.0-khp-20210414.jar:?] at org.apache.flink.runtime.security.token.hadoop.HadoopFSDelegationTokenProvider.obtainDelegationTokens(HadoopFSDelegationTokenProvider.java:108) ~[flink-dist-1.17.0.jar:1.17.0] at org.apache.flink.runtime.security.token.DefaultDelegationTokenManager.lambda$obtainDelegationTokensAndGetNextRenewal$1(DefaultDelegationTokenManager.java:228) ~[flink-dist-1.17.0.jar:1.17.0] ... 13 more Caused by: java.io.IOException: Incomplete HDFS URI, no host: hdfs://hadoop-nn1.testurl.com:8020,hdfs:/hadoop-nn2.testurl.com:8020 at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:156) ~[hadoop-hdfs-client-2.10.0-khp-20210414.jar:?] at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3241) ~[hadoop-common-2.10.0-khp-20210414.jar:?] at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:122) ~[hadoop-common-2.10.0-khp-20210414.jar:?] at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3290) ~[hadoop-common-2.10.0-khp-20210414.jar:?] at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3258) ~[hadoop-common-2.10.0-khp-20210414.jar:?] at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:471) ~[hadoop-common-2.10.0-khp-20210414.jar:?] at org.apache.hadoop.fs.Path.getFileSystem(Path.java:356) ~[hadoop-common-2.10.0-khp-20210414.jar:?] at org.apache.flink.runtime.security.token.hadoop.HadoopFSDelegationTokenProvider.lambda$getFileSystemsToAccess$2(HadoopFSDelegationTokenProvider.java:163) ~[flink-dist-1.17.0.jar:1.17.0] at java.util.ArrayList.forEach(ArrayList.java:1259) ~[?:1.8.0_362] at org.apache.flink.runtime.security.token.hadoop.HadoopFSDelegationTokenProvider.getFileSystemsToAccess(HadoopFSDelegationTokenProvider.java:157) ~[flink-dist-1.17.0.jar:1.17.0] at org.apache.flink.runtime.security.token.hadoop.HadoopFSDelegationTokenProvider.lambda$obtainDelegationTokens$1(HadoopFSDelegationTokenProvider.java:113) ~[flink-dist-1.17.0.jar:1.17.0] at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_362] at javax.security.auth.Subject.doAs(Subject.java:422) ~[?:1.8.0_362] at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1966) ~[hadoop-common-2.10.0-khp-20210414.jar:?] at org.apache.flink.runtime.security.token.hadoop.HadoopFSDelegationTokenProvider.obtainDelegationTokens(HadoopFSDelegationTokenProvider.java:108) ~[flink-dist-1.17.0.jar:1.17.0] at org.apache.flink.runtime.security.token.DefaultDelegationTokenManager.lambda$obtainDelegationTokensAndGetNextRenewal$1(DefaultDelegationTokenManager.java:228) ~[flink-dist-1.17.0.jar:1.17.0] ... 13 more
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