nodece commented on PR #25034:
URL: https://github.com/apache/pulsar/pull/25034#issuecomment-3713178499
@ganeshs After merging, I found the pulsar-admin prints some ERROR logs:
```
pulsar on master [$⇣] is 📦 v4.2.0-SNAPSHOT via ☕ v21.0.5 took 3m24s
❯ bin/pulsar-admin namespaces get-replicator-dispatch-rate public/default
2026-01-06T05:28:33.305431Z main ERROR Unable to locate plugin type for
JsonTemplateLayout
2026-01-06T05:28:33.373638Z main ERROR Unable to locate plugin for
JsonTemplateLayout
2026-01-06T05:28:33.374202Z main ERROR Could not create plugin of type class
org.apache.logging.log4j.core.appender.ConsoleAppender for element Console:
java.lang.NullPointerException: Cannot invoke
"org.apache.logging.log4j.core.config.plugins.util.PluginType.getElementName()"
because "childType" is null
java.lang.NullPointerException: Cannot invoke
"org.apache.logging.log4j.core.config.plugins.util.PluginType.getElementName()"
because "childType" is null
at
org.apache.logging.log4j.core.config.plugins.visitors.PluginElementVisitor.visit(PluginElementVisitor.java:50)
at
org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.injectFields(PluginBuilder.java:195)
at
org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:123)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:1206)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1125)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1117)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:715)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:271)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:324)
at
org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:697)
at
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:786)
at
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:808)
at
org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:311)
at
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:160)
at
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:48)
at
org.apache.logging.log4j.LogManager.getContext(LogManager.java:139)
at
org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:138)
at
org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:58)
at
org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
at
org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:32)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:447)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:472)
at
org.apache.pulsar.common.util.ObjectMapperFactory.<clinit>(ObjectMapperFactory.java:116)
at
org.apache.pulsar.client.impl.AuthenticationUtil.<clinit>(AuthenticationUtil.java:35)
at
org.apache.pulsar.client.impl.PulsarClientImplementationBindingImpl.createAuthentication(PulsarClientImplementationBindingImpl.java:129)
at
org.apache.pulsar.client.api.AuthenticationFactory.create(AuthenticationFactory.java:90)
at
org.apache.pulsar.client.admin.internal.PulsarAdminBuilderImpl.authentication(PulsarAdminBuilderImpl.java:115)
at
org.apache.pulsar.admin.cli.PulsarAdminSupplier.applyRootParamsToAdminBuilder(PulsarAdminSupplier.java:96)
at
org.apache.pulsar.admin.cli.PulsarAdminSupplier.rootParamsUpdated(PulsarAdminSupplier.java:84)
at
org.apache.pulsar.admin.cli.PulsarAdminSupplier.<init>(PulsarAdminSupplier.java:63)
at
org.apache.pulsar.admin.cli.PulsarAdminTool.<init>(PulsarAdminTool.java:112)
at
org.apache.pulsar.admin.cli.PulsarAdminTool.execute(PulsarAdminTool.java:225)
at
org.apache.pulsar.admin.cli.PulsarAdminTool.main(PulsarAdminTool.java:205)
2026-01-06T05:28:33.375959Z main ERROR Unable to invoke factory method in
class org.apache.logging.log4j.core.appender.ConsoleAppender for element
Console: java.lang.IllegalStateException: No factory method found for class
org.apache.logging.log4j.core.appender.ConsoleAppender
java.lang.IllegalStateException: No factory method found for class
org.apache.logging.log4j.core.appender.ConsoleAppender
at
org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.findFactoryMethod(PluginBuilder.java:268)
at
org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:140)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:1206)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1125)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1117)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:715)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:271)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:324)
at
org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:697)
at
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:786)
at
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:808)
at
org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:311)
at
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:160)
at
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:48)
at
org.apache.logging.log4j.LogManager.getContext(LogManager.java:139)
at
org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:138)
at
org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:58)
at
org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
at
org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:32)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:447)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:472)
at
org.apache.pulsar.common.util.ObjectMapperFactory.<clinit>(ObjectMapperFactory.java:116)
at
org.apache.pulsar.client.impl.AuthenticationUtil.<clinit>(AuthenticationUtil.java:35)
at
org.apache.pulsar.client.impl.PulsarClientImplementationBindingImpl.createAuthentication(PulsarClientImplementationBindingImpl.java:129)
at
org.apache.pulsar.client.api.AuthenticationFactory.create(AuthenticationFactory.java:90)
at
org.apache.pulsar.client.admin.internal.PulsarAdminBuilderImpl.authentication(PulsarAdminBuilderImpl.java:115)
at
org.apache.pulsar.admin.cli.PulsarAdminSupplier.applyRootParamsToAdminBuilder(PulsarAdminSupplier.java:96)
at
org.apache.pulsar.admin.cli.PulsarAdminSupplier.rootParamsUpdated(PulsarAdminSupplier.java:84)
at
org.apache.pulsar.admin.cli.PulsarAdminSupplier.<init>(PulsarAdminSupplier.java:63)
at
org.apache.pulsar.admin.cli.PulsarAdminTool.<init>(PulsarAdminTool.java:112)
at
org.apache.pulsar.admin.cli.PulsarAdminTool.execute(PulsarAdminTool.java:225)
at
org.apache.pulsar.admin.cli.PulsarAdminTool.main(PulsarAdminTool.java:205)
2026-01-06T05:28:33.429434Z main ERROR Null object returned for Console in
Appenders.
```
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