tr-fteixeira opened a new issue, #481:
URL: https://github.com/apache/pulsar-manager/issues/481
When using oauth2 for the pulsar admin broker communication, this error is
seen:
```
2022-08-01, 20:15:26.129 ERROR 17
JE[pool-2-thread-1]o.a.p.m.s.impl.ClustersServiceImpl
: Failed to get clusters list.
org.apache.pulsar.client.admin.PulsarAdminException$TimeoutException:java.util.concurrent.TimeoutException
at
org.apache.pulsar.client.admin.internal.ClustersImpl.getClusters(ClustersImpl.java:62)~[pulsar-client-admin-original-2.7.0.jar:2.7.0]
at
org.apache.pulsar.manager.service.impl.ClustersServiceImpl.getClustersList(ClustersServiceImpl.java:61)~[pulsar-manager.iar:na]
at org.
apache.pulsar.manager.service.impl.BrokerStatsServiceImpl.scheduleCollectStats(BrokerStatsServiceImpl.java:122)[pulsar-manager.jar:na]
at sun.reflect. NativeMethodAccessorImpl.invoke0(Native Method)
~[na:1.8.0_312]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)~[na:1.8.0_312]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)~[na:1.8.0_312]
at java.1ang.reflect .Method.invoke(Method. java: 498) ~[na:1.8.0_3121
at
org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:65)[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
at
org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)[spring-context-5.0.6.RELEASE.jar:5.0.6.RELEASE]
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[na:1.8.0_312]
at
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)[na:1.8.0_312]
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)[na:1.8.0_312]
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)[na:1.8.0_312]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)[na:1.8.0_312]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)[na:1.8.0_312]Postedusing/giphy|GIFbyLooneyTunes
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_312]
Caused by: java.util.concurrent.TimeoutException: null
at
java.util.concurrent.CompletableFuture.timedGet(CompletableFuture.java:1784)~[na:1.8.0_312]
at
java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1928)~[na:1.8.0_312]
at
org.apache.pulsar.client.admin.internal.ClustersImpl.getClusters(ClustersImpl.java:55)~[pulsar-client-admin-original-2.7.0.jar:2.7.0]
15 common frames omitted
```
The relevant config is:
```
backend.jwt.token=
backend.broker.pulsarAdmin.authPlugin=org.apache.pulsar.client.impl.auth.oauth2.AuthenticationOAuth2
backend.broker.pulsarAdmin.authParams={"issuerUrl":"https://issuer.example.com/oauth/xxxxx","privateKey":"file:///pulsar-manager/privatekey/oauth.json","audience":"xxxxxxx"}
```
Where `oauth.json` contains:
```
{"type":"client_credentials","client_id":"xxxxxx","client_secret":"xxxxxx","issuer_url":"https://issuer.example.com/oauth/xxxxx"}
```
Even though it presents itself as a TimeoutException, debugging locally i
was able to identify the error as a missing method on
[this](https://github.com/apache/pulsar/blob/v2.7.0/pulsar-client/src/main/java/org/apache/pulsar/client/impl/auth/oauth2/protocol/TokenClient.java#L100)
call where `readValue(byte[],Class<T>)` does not exist.
Seems like there is a dependency conflict for `com.fasterxml.jackson`, where
`2.0.2.RELEASE` used by pulsar-manager forces a version downgrade to `2.9.5`,
instead of the 2.11.1 required by the pulsar-client-admin library.
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