Today [iana released timezone db update for 2020b](https://mm.icann.org/pipermail/tz-announce/2020-October/000059.html) version. Java's [tzupdater tool](https://www.oracle.com/java/technologies/javase-tzupdater-downloads.html) (2.3.1) from oracle fails to patch OpenJDK8u265.

```
$ java -jar tzupdater.jar -v -u -f -l file:tzdata-latest.tar.gz
Using file:tzdata-latest.tar.gz as source for tzdata bundle.
java.home: /Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre
java.vendor: AdoptOpenJDK
java.version: 1.8.0_265
tzupdater version 2.3.1-b02
JRE tzdata version: tzdata2020a
Downloaded file to /var/folders/k4/d4wwf5sd71b0hnp7lvrv1wk40000gn/T/tz.tmp_6/tzdata.tar.gz
tzupdater tool would update with tzdata version: tzdata2020b
Source directory does not contain source file: pacificnew
$ echo $?
1

```

---

with 2020c update

```
tzupdater tool would update with tzdata version: tzdata2020c
Source directory does not contain source file: africa

```

**Update**

This was recognized as a bug by Oracle <https://bugs.openjdk.java.net/browse/JDK-8255747> and it is fixed as part of tzupdater release 2.3.2 - still waiting for the release to be published.