chandrabol opened a new issue, #2966: URL: https://github.com/apache/logging-log4j2/issues/2966
## Description We have an application that defines custom Log Levels. When we use the JsonTemplateLayout (https://logging.apache.org/log4j/2.x/manual/json-template-layout.html) we sometimes get a Null pointer Exception ## Configuration **Version:** 2.19.0 **Operating system:** MacOs **JDK:** JDK 17 ## Logs ``` 2024-09-19 11:15:12,451 Log4j2-TF-2-AsyncLoggerConfig-2 ERROR An exception occurred processing Appender Console java.lang.NullPointerException: seq at java.base/java.util.Objects.requireNonNull(Objects.java:235) at org.apache.logging.log4j.layout.template.json.util.JsonWriter.writeRawString(JsonWriter.java:800) at org.apache.logging.log4j.layout.template.json.resolver.LevelResolver.lambda$createNameResolver$3(LevelResolver.java:144) at org.apache.logging.log4j.layout.template.json.resolver.LevelResolver.resolve(LevelResolver.java:172) at org.apache.logging.log4j.layout.template.json.resolver.LevelResolver.resolve(LevelResolver.java:75) at org.apache.logging.log4j.layout.template.json.resolver.TemplateResolver.resolve(TemplateResolver.java:66) at org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers$PrefixedFieldResolverMethod.resolve(TemplateResolvers.java:353) at org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers$MapResolver.resolve(TemplateResolvers.java:409) at org.apache.logging.log4j.layout.template.json.JsonTemplateLayout.encode(JsonTemplateLayout.java:302) at org.apache.logging.log4j.layout.template.json.JsonTemplateLayout.encode(JsonTemplateLayout.java:58) at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:215) at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:208) at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:199) at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:161) at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:134) at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:125) at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:89) at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:683) at org.apache.logging.log4j.core.async.AsyncLoggerConfig.callAppenders(AsyncLoggerConfig.java:149) at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:641) at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:624) at org.apache.logging.log4j.core.async.AsyncLoggerConfig.log(AsyncLoggerConfig.java:143) at org.apache.logging.log4j.core.async.AsyncLoggerConfig.logToAsyncLoggerConfigsOnCurrentThread(AsyncLoggerConfig.java:191) at org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor$Log4jEventWrapperHandler.onEvent(AsyncLoggerConfigDisruptor.java:112) at org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor$Log4jEventWrapperHandler.onEvent(AsyncLoggerConfigDisruptor.java:98) at com.lmax.disruptor.BatchEventProcessor.processEvents(BatchEventProcessor.java:168) at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:125) at java.base/java.lang.Thread.run(Thread.java:840) ``` ## Reproduction public static void main(String args[]) { log.log(EngineLogLevel.AUDIT.getLevel(), Utilities.toJson(auditLog)); } -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
