{"action":"closed","number":3017,"pull_request":{"url":"https://api.github.com/repos/apache/pulsar/pulls/3017","id":232155763,"node_id":"MDExOlB1bGxSZXF1ZXN0MjMyMTU1NzYz","html_url":"https://github.com/apache/pulsar/pull/3017","diff_url":"https://github.com/apache/pulsar/pull/3017.diff","patch_url":"https://github.com/apache/pulsar/pull/3017.patch","issue_url":"https://api.github.com/repos/apache/pulsar/issues/3017","number":3017,"state":"closed","locked":false,"title":"[state][standalone] Fix bugs on running function with multiple instances in standalone","user":{"login":"sijie","id":1217863,"node_id":"MDQ6VXNlcjEyMTc4NjM=","avatar_url":"https://avatars2.githubusercontent.com/u/1217863?v=4","gravatar_id":"","url":"https://api.github.com/users/sijie","html_url":"https://github.com/sijie","followers_url":"https://api.github.com/users/sijie/followers","following_url":"https://api.github.com/users/sijie/following{/other_user}","gists_url":"https://api.github.com/users/sijie/gists{/gist_id}","starred_url":"https://api.github.com/users/sijie/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sijie/subscriptions","organizations_url":"https://api.github.com/users/sijie/orgs","repos_url":"https://api.github.com/users/sijie/repos","events_url":"https://api.github.com/users/sijie/events{/privacy}","received_events_url":"https://api.github.com/users/sijie/received_events","type":"User","site_admin":false},"body":"\r\n*Motivation*\r\n\r\nWhen running with more than one function instance, Function instances will crash because of table service throws INTERNAL_SERVER_ERROR\r\n\r\n```\r\norg.apache.pulsar.functions.runtime.shaded.org.apache.bookkeeper.clients.exceptions.ClientException: fail to access its root range : code = INTERNAL_SERVER_ERROR\r\n        at org.apache.pulsar.functions.runtime.shaded.org.apache.bookkeeper.clients.impl.internal.ProtocolInternalUtils.createRootRangeException(ProtocolInternalUtils.java:105) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.org.apache.bookkeeper.clients.impl.internal.RootRangeClientImpl.processCreateNamespaceResponse(RootRangeClientImpl.java:129) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.org.apache.bookkeeper.clients.impl.internal.RootRangeClientImpl.lambda$createNamespace$4(RootRangeClientImpl.java:118) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.org.apache.bookkeeper.clients.utils.RpcUtils$1.onSuccess(RpcUtils.java:78) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.com.google.common.util.concurrent.Futures$4.run(Futures.java:1135) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:902) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:813) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:655) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.stub.ClientCalls$GrpcFuture.set(ClientCalls.java:487) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:465) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.internal.CensusStatsModule$StatsClientInterceptor$1$1.onClose(CensusStatsModule.java:684) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.internal.CensusTracingModule$TracingClientInterceptor$1$1.onClose(CensusTracingModule.java:391) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:471) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:63) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:553) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:474) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:591) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at org.apache.pulsar.functions.runtime.shaded.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[java-instance.jar:2.3.0-SNAPSHOT]\r\n        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_144]\r\n        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_144]\r\n\r\n```\r\n\r\nin current version of bk, `INTERNAL_SEVER_ERROR` was thrown a client attempts to create a table while the table already exists. In a newer version, the client handles that better.\r\n\r\n*Changes*\r\n\r\nA temp fix before upgrading BK to 4.9 is to handle creating state tables in a more reliable way.\r\n\r\n","created_at":"2018-11-20T00:31:26Z","updated_at":"2018-11-20T16:52:35Z","closed_at":"2018-11-20T16:52:34Z","merged_at":"2018-11-20T16:52:34Z","merge_commit_sha":"4f1b53c88638589a66c52c6320fd1ed6dddd77be","assignee":{"login":"sijie","id":1217863,"node_id":"MDQ6VXNlcjEyMTc4NjM=","avatar_url":"https://avatars2.githubusercontent.com/u/1217863?v=4","gravatar_id":"","url":"https://api.github.com/users/sijie","html_url":"https://github.com/sijie","followers_url":"https://api.github.com/users/sijie/followers","following_url":"https://api.github.com/users/sijie/following{/other_user}","gists_url":"https://api.github.com/users/sijie/gists{/gist_id}","starred_url":"https://api.github.com/users/sijie/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sijie/subscriptions","organizations_url":"https://api.github.com/users/sijie/orgs","repos_url":"https://api.github.com/users/sijie/repos","events_url":"https://api.github.com/users/sijie/events{/privacy}","received_events_url":"https://api.github.com/users/sijie/received_events","type":"User","site_admin":false},"assignees":[{"login":"sijie","id":1217863,"node_id":"MDQ6VXNlcjEyMTc4NjM=","avatar_url":"https://avatars2.githubusercontent.com/u/1217863?v=4","gravatar_id":"","url":"https://api.github.com/users/sijie","html_url":"https://github.com/sijie","followers_url":"https://api.github.com/users/sijie/followers","following_url":"https://api.github.com/users/sijie/following{/other_user}","gists_url":"https://api.github.com/users/sijie/gists{/gist_id}","starred_url":"https://api.github.com/users/sijie/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sijie/subscriptions","organizations_url":"https://api.github.com/users/sijie/orgs","repos_url":"https://api.github.com/users/sijie/repos","events_url":"https://api.github.com/users/sijie/events{/privacy}","received_events_url":"https://api.github.com/users/sijie/received_events","type":"User","site_admin":false}],"requested_reviewers":[],"requested_teams":[],"labels":[{"id":853313264,"node_id":"MDU6TGFiZWw4NTMzMTMyNjQ=","url":"https://api.github.com/repos/apache/pulsar/labels/component/functions","name":"component/functions","color":"1d76db","default":false},{"id":399568949,"node_id":"MDU6TGFiZWwzOTk1Njg5NDk=","url":"https://api.github.com/repos/apache/pulsar/labels/type/bug","name":"type/bug","color":"ee0701","default":false}],"milestone":{"url":"https://api.github.com/repos/apache/pulsar/milestones/18","html_url":"https://github.com/apache/pulsar/milestone/18","labels_url":"https://api.github.com/repos/apache/pulsar/milestones/18/labels","id":3603038,"node_id":"MDk6TWlsZXN0b25lMzYwMzAzOA==","number":18,"title":"2.3.0","description":"","creator":{"login":"merlimat","id":62500,"node_id":"MDQ6VXNlcjYyNTAw","avatar_url":"https://avatars2.githubusercontent.com/u/62500?v=4","gravatar_id":"","url":"https://api.github.com/users/merlimat","html_url":"https://github.com/merlimat","followers_url":"https://api.github.com/users/merlimat/followers","following_url":"https://api.github.com/users/merlimat/following{/other_user}","gists_url":"https://api.github.com/users/merlimat/gists{/gist_id}","starred_url":"https://api.github.com/users/merlimat/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/merlimat/subscriptions","organizations_url":"https://api.github.com/users/merlimat/orgs","repos_url":"https://api.github.com/users/merlimat/repos","events_url":"https://api.github.com/users/merlimat/events{/privacy}","received_events_url":"https://api.github.com/users/merlimat/received_events","type":"User","site_admin":false},"open_issues":53,"closed_issues":148,"state":"open","created_at":"2018-08-28T07:03:59Z","updated_at":"2018-11-20T16:52:34Z","due_on":"2018-11-30T08:00:00Z","closed_at":null},"commits_url":"https://api.github.com/repos/apache/pulsar/pulls/3017/commits","review_comments_url":"https://api.github.com/repos/apache/pulsar/pulls/3017/comments","review_comment_url":"https://api.github.com/repos/apache/pulsar/pulls/comments{/number}","comments_url":"https://api.github.com/repos/apache/pulsar/issues/3017/comments","statuses_url":"https://api.github.com/repos/apache/pulsar/statuses/801e0e6b0302e3f05a38ef3b6cf1aa51c2869610","head":{"label":"sijie:fix_contention_at_initializing_state_table","ref":"fix_contention_at_initializing_state_table","sha":"801e0e6b0302e3f05a38ef3b6cf1aa51c2869610","user":{"login":"sijie","id":1217863,"node_id":"MDQ6VXNlcjEyMTc4NjM=","avatar_url":"https://avatars2.githubusercontent.com/u/1217863?v=4","gravatar_id":"","url":"https://api.github.com/users/sijie","html_url":"https://github.com/sijie","followers_url":"https://api.github.com/users/sijie/followers","following_url":"https://api.github.com/users/sijie/following{/other_user}","gists_url":"https://api.github.com/users/sijie/gists{/gist_id}","starred_url":"https://api.github.com/users/sijie/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sijie/subscriptio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