nicoloboschi opened a new pull request #11970:
URL: https://github.com/apache/pulsar/pull/11970
### Motivation
Running `bin/pulsar standalone` you see a useless/noisy log as the global
cluster does not exist yet
```
org.apache.pulsar.broker.web.RestException: Cluster does not exist
at
org.apache.pulsar.broker.admin.impl.ClustersBase.lambda$getCluster$1(ClustersBase.java:122)
~[org.apache.pulsar-pulsar-broker-2.8.0.jar:2.8.0]
at java.util.Optional.orElseThrow(Optional.java:290) ~[?:1.8.0_292]
at
org.apache.pulsar.broker.admin.impl.ClustersBase.getCluster(ClustersBase.java:122)
~[org.apache.pulsar-pulsar-broker-2.8.0.jar:2.8.0]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[?:1.8.0_292]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[?:1.8.0_292]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[?:1.8.0_292]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_292]
at
org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:124)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:167)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:219)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:79)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:475)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:397)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:81)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:255)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
~[org.glassfish.jersey.core-jersey-common-2.34.jar:?]
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
~[org.glassfish.jersey.core-jersey-common-2.34.jar:?]
at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
~[org.glassfish.jersey.core-jersey-common-2.34.jar:?]
at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
~[org.glassfish.jersey.core-jersey-common-2.34.jar:?]
at org.glassfish.jersey.internal.Errors.process(Errors.java:244)
~[org.glassfish.jersey.core-jersey-common-2.34.jar:?]
at
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265)
~[org.glassfish.jersey.core-jersey-common-2.34.jar:?]
at
org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:234)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:680)
~[org.glassfish.jersey.core-jersey-server-2.34.jar:?]
at
org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:394)
~[org.glassfish.jersey.containers-jersey-container-servlet-core-2.34.jar:?]
at
org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
~[org.glassfish.jersey.containers-jersey-container-servlet-core-2.34.jar:?]
at
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:366)
~[org.glassfish.jersey.containers-jersey-container-servlet-core-2.34.jar:?]
at
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:319)
~[org.glassfish.jersey.containers-jersey-container-servlet-core-2.34.jar:?]
at
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
~[org.glassfish.jersey.containers-jersey-container-servlet-core-2.34.jar:?]
at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
~[org.eclipse.jetty-jetty-servlet-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1626)
~[org.eclipse.jetty-jetty-servlet-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.apache.pulsar.broker.web.ResponseHandlerFilter.doFilter(ResponseHandlerFilter.java:65)
~[org.apache.pulsar-pulsar-broker-2.8.0.jar:2.8.0]
at
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
~[org.eclipse.jetty-jetty-servlet-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601)
~[org.eclipse.jetty-jetty-servlet-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548)
~[org.eclipse.jetty-jetty-servlet-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1435)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
~[org.eclipse.jetty-jetty-servlet-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1350)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:179)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at org.eclipse.jetty.server.Server.handle(Server.java:516)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:388)
~[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:633)
[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:380)
[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
[org.eclipse.jetty-jetty-server-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
[org.eclipse.jetty-jetty-io-9.4.42.v20210604.jar:9.4.42.v20210604]
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
[org.eclipse.jetty-jetty-io-9.4.42.v20210604.jar:9.4.42.v20210604]
at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
[org.eclipse.jetty-jetty-io-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
[org.eclipse.jetty-jetty-util-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
[org.eclipse.jetty-jetty-util-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
[org.eclipse.jetty-jetty-util-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
[org.eclipse.jetty-jetty-util-9.4.42.v20210604.jar:9.4.42.v20210604]
at
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:383)
[org.eclipse.jetty-jetty-util-9.4.42.v20210604.jar:9.4.42.v20210604]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[?:1.8.0_292]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[?:1.8.0_292]
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
[io.netty-netty-common-4.1.63.Final.jar:4.1.63.Final]
```
### Modifications
Check if global cluster exists before trying to call get method (which logs
an exception on the broker side)
### Verifying this change
This change is a trivial rework / code cleanup without any test coverage.
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