xiangfu0 opened a new issue, #12435: URL: https://github.com/apache/pinot/issues/12435
Seeing error during loading `Cluster Manager` page. The page tries to send a request to backend to fetch Zookeeper content with path: `//LIVEINSTANCES`. <img width="1714" alt="image" src="https://github.com/apache/pinot/assets/1202120/681dcf25-3eb5-4cfe-a93a-59656f5e24bf";> Stacktrace: ``` 2024/02/16 16:46:00.684 ERROR [WebApplicationExceptionMapper] [grizzly-http-server-20] Server error: java.lang.IllegalArgumentException: Invalid path string "//LIVEINSTANCES" caused by empty node name specified @1 at org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:91) ~[zookeeper-3.7.2.jar:3.7.2] at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1848) ~[zookeeper-3.7.2.jar:3.7.2] at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1893) ~[zookeeper-3.7.2.jar:3.7.2] at org.apache.helix.zookeeper.zkclient.ZkClient.lambda$getStat$7(ZkClient.java:1516) ~[helix-core-1.3.1.jar:1.3.1] at org.apache.helix.zookeeper.zkclient.ZkClient.retryUntilConnected(ZkClient.java:2079) ~[helix-core-1.3.1.jar:1.3.1] at org.apache.helix.zookeeper.zkclient.ZkClient.getStat(ZkClient.java:1515) ~[helix-core-1.3.1.jar:1.3.1] at org.apache.helix.zookeeper.zkclient.ZkClient.getStat(ZkClient.java:1507) ~[helix-core-1.3.1.jar:1.3.1] at org.apache.helix.manager.zk.ZkBaseDataAccessor.getStat(ZkBaseDataAccessor.java:714) ~[helix-core-1.3.1.jar:1.3.1] at org.apache.pinot.controller.helix.core.PinotHelixResourceManager.getZKStat(PinotHelixResourceManager.java:1737) ~[classes/:?] at org.apache.pinot.controller.api.resources.ZookeeperResource.validateAndNormalizeZKPath(ZookeeperResource.java:379) ~[classes/:?] at org.apache.pinot.controller.api.resources.ZookeeperResource.ls(ZookeeperResource.java:272) ~[classes/:?] at jdk.internal.reflect.GeneratedMethodAccessor466.invoke(Unknown Source) ~[?:?] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[?:?] at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52) ~[jersey-server-2.39.jar:?] at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:134) ~[jersey-server-2.39.jar:?] at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:177) ~[jersey-server-2.39.jar:?] at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:219) ~[jersey-server-2.39.jar:?] at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:81) ~[jersey-server-2.39.jar:?] at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:478) ~[jersey-server-2.39.jar:?] at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:400) ~[jersey-server-2.39.jar:?] at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:81) ~[jersey-server-2.39.jar:?] at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:256) [jersey-server-2.39.jar:?] at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248) [jersey-common-2.39.jar:?] at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244) [jersey-common-2.39.jar:?] at org.glassfish.jersey.internal.Errors.process(Errors.java:292) [jersey-common-2.39.jar:?] at org.glassfish.jersey.internal.Errors.process(Errors.java:274) [jersey-common-2.39.jar:?] at org.glassfish.jersey.internal.Errors.process(Errors.java:244) [jersey-common-2.39.jar:?] at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265) [jersey-common-2.39.jar:?] at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:235) [jersey-server-2.39.jar:?] at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:684) [jersey-server-2.39.jar:?] at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:356) [jersey-container-grizzly2-http-2.39.jar:?] at org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:200) [grizzly-http-server-2.4.4.jar:2.4.4] at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:569) [grizzly-framework-2.4.4.jar:2.4.4] at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:549) [grizzly-framework-2.4.4.jar:2.4.4] at java.base/java.lang.Thread.run(Thread.java:829) [?:?] ``` -- This is an automated message from the Apache Git Service. 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