[
https://issues.apache.org/jira/browse/LOG4J2-2956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17524822#comment-17524822
]
Ralph Goers edited comment on LOG4J2-2956 at 4/20/22 10:39 AM:
---------------------------------------------------------------
I am now seeing this same error in one of my apps but prior to the exception I
see this
{code:java}
java.lang.ExceptionInInitializerError
at
org.apache.logging.log4j.core.impl.ThreadContextDataInjector$ForDefaultThreadContextMap.rawContextData(ThreadContextDataInjector.java:171)
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.currentContextData(ThreadContextMapFilter.java:120)
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.filter(ThreadContextMapFilter.java:114)
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.filter(ThreadContextMapFilter.java:89)
at
org.apache.logging.log4j.core.filter.CompositeFilter.filter(CompositeFilter.java:543)
at
org.apache.logging.log4j.core.Logger$PrivateConfig.filter(Logger.java:609)
at org.apache.logging.log4j.core.Logger.isEnabled(Logger.java:258)
at
org.apache.logging.log4j.spi.AbstractLogger.isEnabled(AbstractLogger.java:1513)
at
org.apache.commons.logging.LogAdapter$Log4jLog.isDebugEnabled(LogAdapter.java:190)
at
org.springframework.core.env.SystemEnvironmentPropertySource.getProperty(SystemEnvironmentPropertySource.java:94)
at
org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource.getProperty(SystemEnvironmentPropertySourceEnvironmentPostProcessor.java:107)
at
org.springframework.boot.context.properties.source.SpringConfigurationPropertySource.getConfigurationProperty(SpringConfigurationPropertySource.java:84)
at
org.springframework.boot.context.properties.source.SpringIterableConfigurationPropertySource.getConfigurationProperty(SpringIterableConfigurationPropertySource.java:100)
at
org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource.findConfigurationProperty(ConfigurationPropertySourcesPropertySource.java:70)
at
org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource.findConfigurationProperty(ConfigurationPropertySourcesPropertySource.java:58)
at
org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource.containsProperty(ConfigurationPropertySourcesPropertySource.java:42)
at
org.springframework.core.env.PropertySourcesPropertyResolver.containsProperty(PropertySourcesPropertyResolver.java:51)
at
org.springframework.core.env.AbstractEnvironment.containsProperty(AbstractEnvironment.java:588)
at
org.apache.logging.log4j.spring.boot.SpringPropertySource.containsProperty(SpringPropertySource.java:50)
at
org.apache.logging.log4j.util.PropertiesUtil$Environment.get(PropertiesUtil.java:493)
at
org.apache.logging.log4j.util.PropertiesUtil$Environment.access$200(PropertiesUtil.java:420)
at
org.apache.logging.log4j.util.PropertiesUtil.getStringProperty(PropertiesUtil.java:368)
at
org.apache.logging.log4j.util.PropertiesUtil.getBooleanProperty(PropertiesUtil.java:141)
at
org.apache.logging.log4j.util.PropertiesUtil.getBooleanProperty(PropertiesUtil.java:130)
at org.apache.logging.log4j.core.jmx.Server.isJmxDisabled(Server.java:131)
at
org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:136)
at
org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:637)
at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:302)
at
org.apache.logging.log4j.spring.boot.Log4j2CloudConfigLoggingSystem.loadConfiguration(Log4j2CloudConfigLoggingSystem.java:124)
at
org.springframework.boot.logging.log4j2.Log4J2LoggingSystem.loadConfiguration(Log4J2LoggingSystem.java:181)
at
org.springframework.boot.logging.AbstractLoggingSystem.initializeWithSpecificConfig(AbstractLoggingSystem.java:66)
at
org.springframework.boot.logging.AbstractLoggingSystem.initialize(AbstractLoggingSystem.java:57)
at
org.springframework.boot.logging.log4j2.Log4J2LoggingSystem.initialize(Log4J2LoggingSystem.java:163)
at
org.apache.logging.log4j.spring.boot.Log4j2CloudConfigLoggingSystem.initialize(Log4j2CloudConfigLoggingSystem.java:81)
at
org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:316)
at
org.springframework.boot.context.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:282)
at
org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:240)
at
org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:216)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:131)
at
org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:82)
at
org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:63)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at
org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:117)
at
org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:111)
at
org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:62)
at
org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:375)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:333)
at
org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:143)
at
org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:197)
at
org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:114)
at
org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:77)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:131)
at
org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:82)
at
org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:63)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at
org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:117)
at
org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:111)
at
org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:62)
at
org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:375)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:333)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1365)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1354)
at com.nextiva.smsgateway.service.Application.main(Application.java:27)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at
org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:108)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88)
Caused by: java.lang.NullPointerException
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.filter(ThreadContextMapFilter.java:114)
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.filter(ThreadContextMapFilter.java:89)
at
org.apache.logging.log4j.core.filter.CompositeFilter.filter(CompositeFilter.java:543)
at
org.apache.logging.log4j.core.Logger$PrivateConfig.filter(Logger.java:609)
at org.apache.logging.log4j.core.Logger.isEnabled(Logger.java:258)
at
org.apache.logging.log4j.spi.AbstractLogger.isEnabled(AbstractLogger.java:1513)
at
org.apache.commons.logging.LogAdapter$Log4jLog.isDebugEnabled(LogAdapter.java:190)
at
org.springframework.core.env.SystemEnvironmentPropertySource.getProperty(SystemEnvironmentPropertySource.java:94)
at
org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource.getProperty(SystemEnvironmentPropertySourceEnvironmentPostProcessor.java:107)
at
org.springframework.core.env.SystemEnvironmentPropertySource.containsProperty(SystemEnvironmentPropertySource.java:83)
at
org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource.containsProperty(SystemEnvironmentPropertySourceEnvironmentPostProcessor.java:102)
at
org.springframework.core.env.PropertySourcesPropertyResolver.containsProperty(PropertySourcesPropertyResolver.java:51)
at
org.springframework.core.env.AbstractEnvironment.containsProperty(AbstractEnvironment.java:588)
at
org.apache.logging.log4j.spring.boot.SpringPropertySource.containsProperty(SpringPropertySource.java:50)
at
org.apache.logging.log4j.util.PropertiesUtil$Environment.get(PropertiesUtil.java:493)
at
org.apache.logging.log4j.util.PropertiesUtil$Environment.access$200(PropertiesUtil.java:420)
at
org.apache.logging.log4j.util.PropertiesUtil.getStringProperty(PropertiesUtil.java:368)
at
org.apache.logging.log4j.core.impl.ContextDataFactory.<clinit>(ContextDataFactory.java:49)
... 77 more{code}
It seems that JMX is looking up a property that references Spring and it is
trying to log something right after the configuration has been stored. It then
tries to initialize ContextDataFactory but once again needs to look up a
property and once again that tries to lookup a property. So the end result is
that it finally ends up with an uninitialized ContextDataFactory and gets the
NPE.
A workaround to this is to specify
{code:java}
-Dlog4j2.ContextData="org.apache.logging.log4j.util.SortedArrayStringMap" {code}
was (Author: [email protected]):
I am now seeing this same error in one of my apps but prior to the exception I
see this
{code:java}
java.lang.ExceptionInInitializerError
at
org.apache.logging.log4j.core.impl.ThreadContextDataInjector$ForDefaultThreadContextMap.rawContextData(ThreadContextDataInjector.java:171)
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.currentContextData(ThreadContextMapFilter.java:120)
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.filter(ThreadContextMapFilter.java:114)
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.filter(ThreadContextMapFilter.java:89)
at
org.apache.logging.log4j.core.filter.CompositeFilter.filter(CompositeFilter.java:543)
at
org.apache.logging.log4j.core.Logger$PrivateConfig.filter(Logger.java:609)
at org.apache.logging.log4j.core.Logger.isEnabled(Logger.java:258)
at
org.apache.logging.log4j.spi.AbstractLogger.isEnabled(AbstractLogger.java:1513)
at
org.apache.commons.logging.LogAdapter$Log4jLog.isDebugEnabled(LogAdapter.java:190)
at
org.springframework.core.env.SystemEnvironmentPropertySource.getProperty(SystemEnvironmentPropertySource.java:94)
at
org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource.getProperty(SystemEnvironmentPropertySourceEnvironmentPostProcessor.java:107)
at
org.springframework.boot.context.properties.source.SpringConfigurationPropertySource.getConfigurationProperty(SpringConfigurationPropertySource.java:84)
at
org.springframework.boot.context.properties.source.SpringIterableConfigurationPropertySource.getConfigurationProperty(SpringIterableConfigurationPropertySource.java:100)
at
org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource.findConfigurationProperty(ConfigurationPropertySourcesPropertySource.java:70)
at
org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource.findConfigurationProperty(ConfigurationPropertySourcesPropertySource.java:58)
at
org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource.containsProperty(ConfigurationPropertySourcesPropertySource.java:42)
at
org.springframework.core.env.PropertySourcesPropertyResolver.containsProperty(PropertySourcesPropertyResolver.java:51)
at
org.springframework.core.env.AbstractEnvironment.containsProperty(AbstractEnvironment.java:588)
at
org.apache.logging.log4j.spring.boot.SpringPropertySource.containsProperty(SpringPropertySource.java:50)
at
org.apache.logging.log4j.util.PropertiesUtil$Environment.get(PropertiesUtil.java:493)
at
org.apache.logging.log4j.util.PropertiesUtil$Environment.access$200(PropertiesUtil.java:420)
at
org.apache.logging.log4j.util.PropertiesUtil.getStringProperty(PropertiesUtil.java:368)
at
org.apache.logging.log4j.util.PropertiesUtil.getBooleanProperty(PropertiesUtil.java:141)
at
org.apache.logging.log4j.util.PropertiesUtil.getBooleanProperty(PropertiesUtil.java:130)
at org.apache.logging.log4j.core.jmx.Server.isJmxDisabled(Server.java:131)
at
org.apache.logging.log4j.core.jmx.Server.reregisterMBeansAfterReconfigure(Server.java:136)
at
org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:637)
at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:302)
at
org.apache.logging.log4j.spring.boot.Log4j2CloudConfigLoggingSystem.loadConfiguration(Log4j2CloudConfigLoggingSystem.java:124)
at
org.springframework.boot.logging.log4j2.Log4J2LoggingSystem.loadConfiguration(Log4J2LoggingSystem.java:181)
at
org.springframework.boot.logging.AbstractLoggingSystem.initializeWithSpecificConfig(AbstractLoggingSystem.java:66)
at
org.springframework.boot.logging.AbstractLoggingSystem.initialize(AbstractLoggingSystem.java:57)
at
org.springframework.boot.logging.log4j2.Log4J2LoggingSystem.initialize(Log4J2LoggingSystem.java:163)
at
org.apache.logging.log4j.spring.boot.Log4j2CloudConfigLoggingSystem.initialize(Log4j2CloudConfigLoggingSystem.java:81)
at
org.springframework.boot.context.logging.LoggingApplicationListener.initializeSystem(LoggingApplicationListener.java:316)
at
org.springframework.boot.context.logging.LoggingApplicationListener.initialize(LoggingApplicationListener.java:282)
at
org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEnvironmentPreparedEvent(LoggingApplicationListener.java:240)
at
org.springframework.boot.context.logging.LoggingApplicationListener.onApplicationEvent(LoggingApplicationListener.java:216)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:131)
at
org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:82)
at
org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:63)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at
org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:117)
at
org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:111)
at
org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:62)
at
org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:375)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:333)
at
org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:143)
at
org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:197)
at
org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:114)
at
org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:77)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:131)
at
org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:82)
at
org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:63)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at
org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:117)
at
org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:111)
at
org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:62)
at
org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:375)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:333)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1365)
at
org.springframework.boot.SpringApplication.run(SpringApplication.java:1354)
at com.nextiva.smsgateway.service.Application.main(Application.java:27)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at
org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:108)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:58)
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88)
Caused by: java.lang.NullPointerException
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.filter(ThreadContextMapFilter.java:114)
at
org.apache.logging.log4j.core.filter.ThreadContextMapFilter.filter(ThreadContextMapFilter.java:89)
at
org.apache.logging.log4j.core.filter.CompositeFilter.filter(CompositeFilter.java:543)
at
org.apache.logging.log4j.core.Logger$PrivateConfig.filter(Logger.java:609)
at org.apache.logging.log4j.core.Logger.isEnabled(Logger.java:258)
at
org.apache.logging.log4j.spi.AbstractLogger.isEnabled(AbstractLogger.java:1513)
at
org.apache.commons.logging.LogAdapter$Log4jLog.isDebugEnabled(LogAdapter.java:190)
at
org.springframework.core.env.SystemEnvironmentPropertySource.getProperty(SystemEnvironmentPropertySource.java:94)
at
org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource.getProperty(SystemEnvironmentPropertySourceEnvironmentPostProcessor.java:107)
at
org.springframework.core.env.SystemEnvironmentPropertySource.containsProperty(SystemEnvironmentPropertySource.java:83)
at
org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource.containsProperty(SystemEnvironmentPropertySourceEnvironmentPostProcessor.java:102)
at
org.springframework.core.env.PropertySourcesPropertyResolver.containsProperty(PropertySourcesPropertyResolver.java:51)
at
org.springframework.core.env.AbstractEnvironment.containsProperty(AbstractEnvironment.java:588)
at
org.apache.logging.log4j.spring.boot.SpringPropertySource.containsProperty(SpringPropertySource.java:50)
at
org.apache.logging.log4j.util.PropertiesUtil$Environment.get(PropertiesUtil.java:493)
at
org.apache.logging.log4j.util.PropertiesUtil$Environment.access$200(PropertiesUtil.java:420)
at
org.apache.logging.log4j.util.PropertiesUtil.getStringProperty(PropertiesUtil.java:368)
at
org.apache.logging.log4j.core.impl.ContextDataFactory.<clinit>(ContextDataFactory.java:49)
... 77 more{code}
It seems that JMX is looking up a property that references Spring and it is
trying to log something right after the configuration has been stored. It then
tries to initialize ContextDataFactory but once again needs to look up a
property and once again that tries to lookup a property. So the end result is
that it finally ends up with an uninitialized ContextDataFactory and gets the
NPE.
> Using log4j-spring-cloud-config-client and DynamicThresholdFilter cause Could
> not initialize class
> org.apache.logging.log4j.core.impl.ContextDataFactoryException
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: LOG4J2-2956
> URL: https://issues.apache.org/jira/browse/LOG4J2-2956
> Project: Log4j 2
> Issue Type: Bug
> Components: Spring
> Affects Versions: 2.13.3
> Reporter: Rafał Figas
> Priority: Major
>
> Assumptions:
> # Application is a Spring Boot app.
> # {{It is configured to use spring-boot-starter-log4j2}}
> {{There is a log4j2.cfg.xml provided through logging.config property and it
> is working fine. It contains following part:}}
>
> {noformat}
> <DynamicThresholdFilter key="X-Log-Level" onMatch="ACCEPT"
> onMismatch="NEUTRAL">
> <DefaultThreshold>INFO</DefaultThreshold>
> <KeyValuePair key="DEBUG" value="DEBUG" />
> <KeyValuePair key="TRACE" value="TRACE" />
> </DynamicThresholdFilter>{noformat}
> {{However when dependency log4j-spring-cloud-config-client is added
> application does not start with following exception:}}
> {noformat}
> Exception in thread "main" java.lang.NoClassDefFoundError: Could not
> initialize class
> org.apache.logging.log4j.core.impl.ContextDataFactoryException in thread
> "main" java.lang.NoClassDefFoundError: Could not initialize class
> org.apache.logging.log4j.core.impl.ContextDataFactory
> at
> org.apache.logging.log4j.core.impl.ThreadContextDataInjector$ForDefaultThreadContextMap.rawContextData(ThreadContextDataInjector.java:137)
>
> at
> org.apache.logging.log4j.core.filter.DynamicThresholdFilter.currentContextData(DynamicThresholdFilter.java:162)
>
> at
> org.apache.logging.log4j.core.filter.DynamicThresholdFilter.filter(DynamicThresholdFilter.java:152)
> at
> org.apache.logging.log4j.core.Logger$PrivateConfig.filter(Logger.java:609)
> at org.apache.logging.log4j.core.Logger.isEnabled(Logger.java:258) at
> org.apache.logging.log4j.spi.AbstractLogger.isEnabled(AbstractLogger.java:1513)
>
> at
> org.apache.commons.logging.LogAdapter$Log4jLog.isErrorEnabled(LogAdapter.java:175)
> at
> org.springframework.boot.SpringApplication.reportFailure(SpringApplication.java:836)
>
> at
> org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:812)
> at
> org.springframework.boot.SpringApplication.run(SpringApplication.java:325)
> at
> org.springframework.boot.SpringApplication.run(SpringApplication.java:1237)
> at
> org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
> at
> pl.frati.moray.configserver.ConfigServerApplication.main(ConfigServerApplication.java:12)
> {noformat}
> First of all I have no idea what is missing. Without mentioned dependency
> application startup is correct. Also, removing DynamicThresholdFilter solves
> the problem as well.
> Second of all it seems that exception message is somewhat broken, because it
> does not say anything about what class is missing. I've tried to debug this,
> but class ContextDataFactory is pretty hard to debug. Fix in exception
> message should ease the hunt.
>
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