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ASF GitHub Bot commented on IGNITE-6362: ---------------------------------------- Github user asfgit closed the pull request at: https://github.com/apache/ignite/pull/2833 > NPE in Log4J2Logger > ------------------- > > Key: IGNITE-6362 > URL: https://issues.apache.org/jira/browse/IGNITE-6362 > Project: Ignite > Issue Type: Bug > Components: general > Affects Versions: 2.1 > Reporter: Valentin Kulichenko > Assignee: Alexey Popov > Fix For: 2.4 > > > When I start a node with {{Log4J2Logger}} configured and verbose mode > ({{-DIGNITE_QUIET=false}}, it fails with NPE: > {noformat} > Caused by: java.lang.NullPointerException > at > org.apache.logging.log4j.core.config.LoggerConfig.<init>(LoggerConfig.java:145) > at > org.apache.logging.log4j.core.config.LoggerConfig.createLogger(LoggerConfig.java:523) > at > org.apache.ignite.logger.log4j2.Log4J2Logger.createConsoleLogger(Log4J2Logger.java:380) > at > org.apache.ignite.logger.log4j2.Log4J2Logger.addConsoleAppenderIfNeeded(Log4J2Logger.java:338) > at > org.apache.ignite.logger.log4j2.Log4J2Logger.<init>(Log4J2Logger.java:145) > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:423) > at > org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142) > ... 34 more > {noformat} > This is caused by the fact that {{Log4J2Logger#createConsoleLogger}} method > invokes {{LoggerConfig.createLogger}} providing {{null}} as {{Configuration}} > object, which unconditionally causes NPE. Need to provide some default > configuration instead. -- This message was sent by Atlassian JIRA (v6.4.14#64029)