vertex-github opened a new issue, #1658:
URL: https://github.com/apache/logging-log4j2/issues/1658
## Description
Configure JSONTemplate with a custom timestamp formatter:
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN" strict="true"
packages="org.apache.logging.log4j.layout.template.json" shutdownHook="disable">
<Appenders>
<Console name="STDOUT">
<JsonTemplateLayout
eventTemplateUri="classpath:JsonTemplate.json" recyclerFactory="queue"
locationInfoEnabled="true" />
</Console>
</Appenders>
<Loggers>
<Root level="INFO" includeLocation="true">
<AppenderRef ref="STDOUT"/>
</Root>
</Loggers>
</Configuration>
JsonTemplate.json:
"timestamp": {
"$resolver": "timestamp",
"pattern": {
"format": "yyyy-MM-dd HH:mm:ss,nnnnnnnnn"
}
},
(This is one of the formats specified in
`FixedDateFormat.FixedFormat.DEFAULT_NANOS`
## Configuration
**Version:** 2.19.0
**Operating system:** Windows 10
**JDK:** Amazon Coretto JDK17.0.3
```
[Stacktraces, errors, etc. relevant applications logs.]
2023-08-02 15:28:04,391 main WARN skipping the failed formatter factory
"org.apache.logging.log4j.layout.template.json.util.InstantFormatter$Log4jFixedFormatterFactory@4d02f94e"
java.lang.ArrayIndexOutOfBoundsException: Index 23 out of bounds for length 23
at
org.apache.logging.log4j.core.util.datetime.FixedDateFormat.formatNanoOfMillisecond(FixedDateFormat.java:703)
at
org.apache.logging.log4j.core.util.datetime.FixedDateFormat.formatInstant(FixedDateFormat.java:592)
at
org.apache.logging.log4j.layout.template.json.util.InstantFormatter$Log4jFixedFormatter.format(InstantFormatter.java:338)
at
org.apache.logging.log4j.layout.template.json.util.InstantFormatter.patternSupported(InstantFormatter.java:376)
at
org.apache.logging.log4j.layout.template.json.util.InstantFormatter.access$700(InstantFormatter.java:42)
at
org.apache.logging.log4j.layout.template.json.util.InstantFormatter$Log4jFixedFormatterFactory.createIfSupported(InstantFormatter.java:312)
at
org.apache.logging.log4j.layout.template.json.util.InstantFormatter.lambda$new$0(InstantFormatter.java:62)
at
java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
at
java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:1002)
at
java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:129)
at
java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:527)
at
java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:513)
at
java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
at
java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150)
at
java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at
java.base/java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:647)
at
org.apache.logging.log4j.layout.template.json.util.InstantFormatter.<init>(InstantFormatter.java:72)
at
org.apache.logging.log4j.layout.template.json.util.InstantFormatter.<init>(InstantFormatter.java:42)
at
org.apache.logging.log4j.layout.template.json.util.InstantFormatter$Builder.build(InstantFormatter.java:149)
at
org.apache.logging.log4j.layout.template.json.resolver.TimestampResolver$PatternResolverContext.<init>(TimestampResolver.java:232)
at
org.apache.logging.log4j.layout.template.json.resolver.TimestampResolver$PatternResolverContext.fromConfig(TimestampResolver.java:241)
at
org.apache.logging.log4j.layout.template.json.resolver.TimestampResolver$PatternResolverContext.access$300(TimestampResolver.java:215)
at
org.apache.logging.log4j.layout.template.json.resolver.TimestampResolver.createPatternResolver(TimestampResolver.java:325)
at
org.apache.logging.log4j.layout.template.json.resolver.TimestampResolver.createResolver(TimestampResolver.java:212)
at
org.apache.logging.log4j.layout.template.json.resolver.TimestampResolver.<init>(TimestampResolver.java:199)
at
org.apache.logging.log4j.layout.template.json.resolver.TimestampResolverFactory.create(TimestampResolverFactory.java:46)
at
org.apache.logging.log4j.layout.template.json.resolver.TimestampResolverFactory.create(TimestampResolverFactory.java:25)
at
org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers.ofResolver(TemplateResolvers.java:442)
at
org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers.ofMap(TemplateResolvers.java:221)
at
org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers.ofObject(TemplateResolvers.java:141)
at
org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers.lambda$populateFieldResolverMethods$1(TemplateResolvers.java:250)
at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:721)
at
org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers.populateFieldResolverMethods(TemplateResolvers.java:249)
at
org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers.ofMap(TemplateResolvers.java:226)
at
org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers.ofObject(TemplateResolvers.java:141)
at
org.apache.logging.log4j.layout.template.json.resolver.TemplateResolvers.ofTemplate(TemplateResolvers.java:123)
at
org.apache.logging.log4j.layout.template.json.JsonTemplateLayout.createEventResolver(JsonTemplateLayout.java:168)
at
org.apache.logging.log4j.layout.template.json.JsonTemplateLayout.<init>(JsonTemplateLayout.java:109)
at
org.apache.logging.log4j.layout.template.json.JsonTemplateLayout.<init>(JsonTemplateLayout.java:63)
at
org.apache.logging.log4j.layout.template.json.JsonTemplateLayout$Builder.build(JsonTemplateLayout.java:551)
at
org.apache.logging.log4j.layout.template.json.JsonTemplateLayout$Builder.build(JsonTemplateLayout.java:347)
at
org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:124)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:1138)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1063)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1055)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:1055)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:664)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:258)
at
org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:304)
at
org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:621)
at
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:694)
at
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:711)
at
org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:253)
at
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:155)
at
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:47)
at org.apache.logging.log4j.LogManager.getContext(LogManager.java:196)
at
org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:137)
at
org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:61)
at
org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:47)
at
org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:33)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:391)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:416)
at org.example.Main.<clinit>(Main.java:8)
```
## Reproduction
Configure simple maven project with the above import, and log4j2.xml config.
Log a line.
The `pattern.length` seems to be returning 23 - but this doesn't seem to be
taking into account the 6 additional chars for micros and nanos.
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