ADDITIONAL SYSTEM INFORMATION :
Operating System: Ubuntu 22.04.4 LTS
Kernel: Linux 6.8.0-40-generic
Architecture: x86-64
tzupdater version 2.3.2-b02


A DESCRIPTION OF THE PROBLEM :
Updating to tzdata2024b fails
Command:
java -jar tzupdater.jar -v -l https://ftp.iana.org/tz/releases/tzdata2024b.tar.gz

Output:
Using https://ftp.iana.org/tz/releases/tzdata2024b.tar.gz as source for tzdata bundle.
java.home: /usr/lib/jvm/java-8-openjdk-amd64/jre
java.vendor: Private Build
java.version: 1.8.0_422
tzupdater version 2.3.2-b02
JRE tzdata version: tzdata2024a
Downloaded file to /tmp/tz.tmp_7/tzdata.tar.gz
tzupdater tool would update with tzdata version: tzdata2024b
Warning: Source directory does not contain source file: pacificnew
Compiling TZDB version 2024b
Failed: java.time.zone.ZoneRulesException: Unable to load TZDB time-zone rules
java.time.zone.ZoneRulesException: Unable to load TZDB time-zone rules
at tools.tzdb.TzdbZoneRulesProvider.<init>(TzdbZoneRulesProvider.java:76)
at tools.tzdb.TzdbZoneRulesCompiler.compile(TzdbZoneRulesCompiler.java:174)
at tools.tzdb.TzdbZoneRulesCompiler.main(TzdbZoneRulesCompiler.java:83)
at com.sun.tools.tzupdater.ExternalModule.compileToJSRBinary(ExternalModule.java:169)
at com.sun.tools.tzupdater.TimezoneUpdater.run(TimezoneUpdater.java:252)
at com.sun.tools.tzupdater.TimezoneUpdater.main(TimezoneUpdater.java:686)
Caused by: java.lang.RuntimeException: Failed while processing file [/tmp/tz.tmp_7/northamerica]
at tools.tzdb.TzdbZoneRulesProvider.load(TzdbZoneRulesProvider.java:221)
at tools.tzdb.TzdbZoneRulesProvider.<init>(TzdbZoneRulesProvider.java:74)
... 5 more
Caused by: java.lang.IllegalArgumentException: Unknown month: April
at tools.tzdb.TzdbZoneRulesProvider$MonthDayTime.parseMonth(TzdbZoneRulesProvider.java:391)
at tools.tzdb.TzdbZoneRulesProvider$MonthDayTime.parse(TzdbZoneRulesProvider.java:314)
at tools.tzdb.TzdbZoneRulesProvider$MonthDayTime.access$300(TzdbZoneRulesProvider.java:258)
at tools.tzdb.TzdbZoneRulesProvider$RuleLine.parse(TzdbZoneRulesProvider.java:561)
at tools.tzdb.TzdbZoneRulesProvider.load(TzdbZoneRulesProvider.java:200)
... 6 more


Error output:


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
execute tzupdater with:

java -jar tzupdater.jar -v -l https://ftp.iana.org/tz/releases/tzdata2024b.tar.gz

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
tzdata updated correctly
ACTUAL -
Tool throws following error

Using https://ftp.iana.org/tz/releases/tzdata2024b.tar.gz as source for tzdata bundle.
java.home: /usr/lib/jvm/java-8-openjdk-amd64/jre
java.vendor: Private Build
java.version: 1.8.0_422
tzupdater version 2.3.2-b02
JRE tzdata version: tzdata2024a
Downloaded file to /tmp/tz.tmp_7/tzdata.tar.gz
tzupdater tool would update with tzdata version: tzdata2024b
Warning: Source directory does not contain source file: pacificnew
Compiling TZDB version 2024b
Failed: java.time.zone.ZoneRulesException: Unable to load TZDB time-zone rules
java.time.zone.ZoneRulesException: Unable to load TZDB time-zone rules
at tools.tzdb.TzdbZoneRulesProvider.<init>(TzdbZoneRulesProvider.java:76)
at tools.tzdb.TzdbZoneRulesCompiler.compile(TzdbZoneRulesCompiler.java:174)
at tools.tzdb.TzdbZoneRulesCompiler.main(TzdbZoneRulesCompiler.java:83)
at com.sun.tools.tzupdater.ExternalModule.compileToJSRBinary(ExternalModule.java:169)
at com.sun.tools.tzupdater.TimezoneUpdater.run(TimezoneUpdater.java:252)
at com.sun.tools.tzupdater.TimezoneUpdater.main(TimezoneUpdater.java:686)
Caused by: java.lang.RuntimeException: Failed while processing file [/tmp/tz.tmp_7/northamerica]
at tools.tzdb.TzdbZoneRulesProvider.load(TzdbZoneRulesProvider.java:221)
at tools.tzdb.TzdbZoneRulesProvider.<init>(TzdbZoneRulesProvider.java:74)
... 5 more
Caused by: java.lang.IllegalArgumentException: Unknown month: April
at tools.tzdb.TzdbZoneRulesProvider$MonthDayTime.parseMonth(TzdbZoneRulesProvider.java:391)
at tools.tzdb.TzdbZoneRulesProvider$MonthDayTime.parse(TzdbZoneRulesProvider.java:314)
at tools.tzdb.TzdbZoneRulesProvider$MonthDayTime.access$300(TzdbZoneRulesProvider.java:258)
at tools.tzdb.TzdbZoneRulesProvider$RuleLine.parse(TzdbZoneRulesProvider.java:561)
at tools.tzdb.TzdbZoneRulesProvider.load(TzdbZoneRulesProvider.java:200)
... 6 more


FREQUENCY : always