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https://issues.apache.org/jira/browse/LOG4J2-1028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Leonhartsberger updated LOG4J2-1028:
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> Incorrect Line Number in location information
> ---------------------------------------------
>
> Key: LOG4J2-1028
> URL: https://issues.apache.org/jira/browse/LOG4J2-1028
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.3
> Environment: Java 1.8.0_45 64-bit
> Maven 3.3.1
> Windows 7
> basically any...
> Reporter: Stefan Leonhartsberger
>
> When enabling location information in Log4j2
> The line numbers of the log records are incorrect
> as they are only taking into account the first time in the stacktrace where
> the
> class in question (FQCN) was called
> This however may not be accurate as the class may call methods within itself
> adding to the stacktrace - these are not considered when gathering location
> information within Log4jLogEvent.
> An example stacktrace:
> {code}
> stackTrace = {java.lang.StackTraceElement[18]@4612}
> 0 = {java.lang.StackTraceElement@4617}
> "java.lang.Thread.getStackTrace(Thread.java:1552)"
> 1 = {java.lang.StackTraceElement@4618}
> "org.apache.logging.log4j.core.impl.Log4jLogEvent.calcLocation(Log4jLogEvent.java:386)"
> 2 = {java.lang.StackTraceElement@4619}
> "org.apache.logging.log4j.core.async.AsyncLogger.location(AsyncLogger.java:293)"
> 3 = {java.lang.StackTraceElement@4620}
> "org.apache.logging.log4j.core.async.AsyncLogger.logMessage(AsyncLogger.java:252)"
> 4 = {java.lang.StackTraceElement@4621}
> "org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:738)"
> 5 = {java.lang.StackTraceElement@4622}
> "org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:708)"
> 6 = {java.lang.StackTraceElement@4623}
> "com.test.logging.factory.Log4j2Factory$Log4J2CatsLogger.log(Log4j2Factory.java:106)"
> 7 = {java.lang.StackTraceElement@4624}
> "com.test.agent.configuration.Configuration.setPttId(Configuration.java:1079)"
> 8 = {java.lang.StackTraceElement@4625}
> "com.test.agent.configuration.Configuration.loadDefaultConfiguration(Configuration.java:323)"
> 9 = {java.lang.StackTraceElement@4614}
> "com.test.agent.configuration.Configuration.<init>(Configuration.java:302)"
> 10 = {java.lang.StackTraceElement@4613}
> "com.test.agent.configuration.ConfigurationParser.createConfig(ConfigurationParser.java:51)"
> 11 = {java.lang.StackTraceElement@4626}
> "com.test.agent.AgentMain.initConfig(AgentMain.java:231)"
> 12 = {java.lang.StackTraceElement@4627}
> "com.test.agent.AgentMain.init(AgentMain.java:204)"
> 13 = {java.lang.StackTraceElement@4628}
> "com.c4i.test.agent.AgentBase.init(AgentBase.java:456)"
> 14 = {java.lang.StackTraceElement@4629}
> "com.test.agent.AgentBase.createAgent(AgentBase.java:194)"
> 15 = {java.lang.StackTraceElement@4630}
> "com.test.agent.AgentBase.agentmain(AgentBase.java:141)"
> 16 = {java.lang.StackTraceElement@4631}
> "com.test.agent.AgentMain.main(AgentMain.java:109)"
> 17 = {java.lang.StackTraceElement@4632}
> "com.test.agent.AgentMain.main(AgentMain.java:86)"
> {code}
> Expected Line Number: 1079
> Received Line Number: 302
> Reason is that the stack is iterated from the wrong direction - i=17.
> (starting with i=0 would result in the correct behaviour.
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