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https://issues.apache.org/jira/browse/HADOOP-19639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shilun Fan resolved HADOOP-19639.
---------------------------------
Resolution: Fixed
> SecretManager configuration at runtime
> --------------------------------------
>
> Key: HADOOP-19639
> URL: https://issues.apache.org/jira/browse/HADOOP-19639
> Project: Hadoop Common
> Issue Type: Improvement
> Components: hadoop-common
> Affects Versions: 3.5.0
> Reporter: Bence Kosztolnik
> Assignee: Bence Kosztolnik
> Priority: Major
> Labels: pull-request-available
>
> In case of TEZ *DAGAppMaster* the Hadoop *SecretManager* code can not read
> yarn config xml file, therefore the SELECTED_ALGORITHM and SELECTED_LENGTH
> variables in SecretManager can not be set at runtime.
> This can results with the following exception in FIPS environment:
> {code:java}
> java.security.InvalidParameterException: Key size for HMAC must be at least
> 112 bits in approved mode: SHA-1/HMAC
> at
> com.safelogic.cryptocomply.fips.core/com.safelogic.cryptocomply.jcajce.provider.BaseKeyGenerator.engineInit(Unknown
> Source)
> at java.base/javax.crypto.KeyGenerator.init(KeyGenerator.java:540)
> at java.base/javax.crypto.KeyGenerator.init(KeyGenerator.java:517)
> at
> org.apache.hadoop.security.token.SecretManager.<init>(SecretManager.java:157)
> at
> org.apache.hadoop.yarn.security.client.BaseClientToAMTokenSecretManager.<init>(BaseClientToAMTokenSecretManager.java:38)
> at
> org.apache.hadoop.yarn.security.client.ClientToAMTokenSecretManager.<init>(ClientToAMTokenSecretManager.java:46)
> at
> org.apache.tez.common.security.TezClientToAMTokenSecretManager.<init>(TezClientToAMTokenSecretManager.java:33)
> at
> org.apache.tez.dag.app.DAGAppMaster.serviceInit(DAGAppMaster.java:493)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
> at org.apache.tez.dag.app.DAGAppMaster$9.run(DAGAppMaster.java:2649)
> at java.base/java.security.AccessController.doPrivileged(Native Method)
> at java.base/javax.security.auth.Subject.doAs(Subject.java:423)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1910)
> at
> org.apache.tez.dag.app.DAGAppMaster.initAndStartAppMaster(DAGAppMaster.java:2646)
> at org.apache.tez.dag.app.DAGAppMaster.main(DAGAppMaster.java:2440)
> {code}
> To mitigate the problem we should provide some ability for the component to
> be able to modify the configuration without corresponding config files on
> class path.
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