hari819 commented on issue #6236: add ssl/tls configuration to zookeeper via the zookeeper.conf URL: https://github.com/apache/pulsar/issues/6236#issuecomment-588344528 @sijie , After enabling ssl on zookeepr , i have enabled TLS in bookkeeper also , but i saw some weird error , org.apache.bookkeeper.meta.zk.ZKMetadataDriverBase - Initialize zookeeper metadata driver at metadata service **uri zk+null://zookeeper/ledgers : zkServers** = zookeeper, ledgersRootPath = /ledgers. why it is , metadata service uri zk+null://zookeeper/ledgers : zkServers = zookeeper, ledgersRootPath = /ledgers i think the metaformat command is unable to create the folder "/ledgers" ,and finally ends up with bookkeeper going down , 06:15:35.976 [main] ERROR org.apache.bookkeeper.discover.ZKRegistrationManager - BookKeeper metadata doesn't exist in zookeeper. Has the cluster been initialized? Try running bin/bookkeeper shell metaformat 06:15:35.977 [main] INFO org.apache.bookkeeper.proto.BookieNettyServer - Shutting down BookieNettyServer 06:15:35.982 [main] ERROR org.apache.bookkeeper.server.Main - Failed to build bookie server org.apache.bookkeeper.bookie.BookieException$MetadataStoreException: **Failed to get cluster instance id at org.apache.bookkeeper.discover.ZKRegistrationManager.getClusterInstanceId(ZKRegistrationManager.java:392) ~[org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0]** at org.apache.bookkeeper.bookie.Bookie.checkEnvironmentWithStorageExpansion(Bookie.java:406) ~[org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] at org.apache.bookkeeper.bookie.Bookie.checkEnvironment(Bookie.java:250) ~[org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] at org.apache.bookkeeper.bookie.Bookie.<init>(Bookie.java:688) ~[org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] at org.apache.bookkeeper.proto.BookieServer.newBookie(BookieServer.java:136) ~[org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] at org.apache.bookkeeper.proto.BookieServer.<init>(BookieServer.java:105) ~[org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] at org.apache.bookkeeper.server.service.BookieService.<init>(BookieService.java:41) ~[org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] at org.apache.bookkeeper.server.Main.buildBookieServer(Main.java:301) ~[org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] at org.apache.bookkeeper.server.Main.doMain(Main.java:221) [org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] at org.apache.bookkeeper.server.Main.main(Main.java:203) [org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] at org.apache.bookkeeper.proto.BookieServer.main(BookieServer.java:313) [org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] **Caused by: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for BookKeeper metadata at** org.apache.bookkeeper.discover.ZKRegistrationManager.getClusterInstanceId(ZKRegistrationManager.java:382) ~[org.apache.bookkeeper-bookkeeper-server-4.10.0.jar:4.10.0] ... 10 more
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