Akira Ajisaka created HDFS-16217:
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Summary: RBF: Set default value of
hdfs.fedbalance.procedure.scheduler.journal.uri
Key: HDFS-16217
URL: https://issues.apache.org/jira/browse/HDFS-16217
Project: Hadoop HDFS
Issue Type: Sub-task
Components: rbf
Environment: Hadoop 3.3.0 with patches
Reporter: Akira Ajisaka
When dfs.federation.router.federation.rename.option is set to DISTCP and
hdfs.fedbalance.procedure.scheduler.journal.uri is not set, DFSRouter fails to
launch.
{quote}
2021-09-08 15:39:11,818 ERROR
org.apache.hadoop.hdfs.server.federation.router.DFSRouter: Failed to start
router
java.lang.NullPointerException
at java.base/java.net.URI$Parser.parse(URI.java:3104)
at java.base/java.net.URI.<init>(URI.java:600)
at
org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.initRouterFedRename(RouterRpcServer.java:444)
at
org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.<init>(RouterRpcServer.java:419)
at
org.apache.hadoop.hdfs.server.federation.router.Router.createRpcServer(Router.java:391)
at
org.apache.hadoop.hdfs.server.federation.router.Router.serviceInit(Router.java:188)
at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
at
org.apache.hadoop.hdfs.server.federation.router.DFSRouter.main(DFSRouter.java:69)
{quote}
hdfs.fedbalance.procedure.scheduler.journal.uri is
hdfs://localhost:8020/tmp/procedure by default, however, the default value is
not used in DFSRouter.
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