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https://issues.apache.org/jira/browse/LOG4J2-1279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15370233#comment-15370233
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Ralph Goers commented on LOG4J2-1279:
-------------------------------------
I'm sure I could do that by the time 2.7 is released unless someone beats me to
it. I would also like to implement something that delegates to java.time if
running in Java 8.
> NullPointerException in FastDateParser$TimeZoneStrategy
> -------------------------------------------------------
>
> Key: LOG4J2-1279
> URL: https://issues.apache.org/jira/browse/LOG4J2-1279
> Project: Log4j 2
> Issue Type: Bug
> Components: Core, Layouts
> Affects Versions: 2.5
> Environment: JRE 8
> Reporter: Tony Baines
> Priority: Minor
>
> This is a duplicate of the bug in FastDateParser in commons-lang3 LANG-1186
> It manifests for me on a Java 8 runtime in Europe/London GMT locale when I
> specify a custom date format in PatternLayout with the 'Z' suffix e.g.
> {code}
> <PatternLayout
> pattern="%d{yyyy-MM-dd'T'HH:mm:ss.SSSZ}|%p|thread:%t|%c{1}|%m%n" />
> {code}
> {code}
> Caused by: java.lang.NullPointerException
> at
> org.apache.logging.log4j.core.util.datetime.FastDateParser$TimeZoneStrategy.<init>(FastDateParser.java:858)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateParser.getLocaleSpecificStrategy(FastDateParser.java:662)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateParser.getStrategy(FastDateParser.java:628)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateParser.init(FastDateParser.java:216)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateParser.<init>(FastDateParser.java:187)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateParser.<init>(FastDateParser.java:147)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateFormat.<init>(FastDateFormat.java:101)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateFormat.<init>(FastDateFormat.java:81)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateFormat$1.createInstance(FastDateFormat.java:61)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateFormat$1.createInstance(FastDateFormat.java:58)
> at
> org.apache.logging.log4j.core.util.datetime.FormatCache.getInstance(FormatCache.java:82)
> at
> org.apache.logging.log4j.core.util.datetime.FastDateFormat.getInstance(FastDateFormat.java:140)
> at
> org.apache.logging.log4j.core.pattern.DatePatternConverter.createFormatter(DatePatternConverter.java:176)
> at
> org.apache.logging.log4j.core.pattern.DatePatternConverter.<init>(DatePatternConverter.java:132)
> at
> org.apache.logging.log4j.core.pattern.DatePatternConverter.newInstance(DatePatternConverter.java:144)
> {code}
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