lhotari opened a new issue, #4202:
URL: https://github.com/apache/bookkeeper/issues/4202
**BUG REPORT**
***Describe the bug***
The current Bookkeeper maven build will produce invalid binaries for Java 8
when compiled on Java 11.
Here's an example of the problem:
```
2024-02-07T15:33:44,901 - ERROR -
[BookieJournal-3181:BookieCriticalThread@41] - Uncaught exception in thread
BookieJournal-3181 and is exiting!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.clear()Ljava/nio/ByteBuffer;
at
org.apache.bookkeeper.bookie.JournalChannel.writeHeader(JournalChannel.java:255)
~[org.apache.bookkeeper-bookkeeper-server-4.17.0-SNAPSHOT.jar:4.17.0-SNAPSHOT]
at
org.apache.bookkeeper.bookie.JournalChannel.<init>(JournalChannel.java:188)
~[org.apache.bookkeeper-bookkeeper-server-4.17.0-SNAPSHOT.jar:4.17.0-SNAPSHOT]
at
org.apache.bookkeeper.bookie.JournalChannel.<init>(JournalChannel.java:124)
~[org.apache.bookkeeper-bookkeeper-server-4.17.0-SNAPSHOT.jar:4.17.0-SNAPSHOT]
at org.apache.bookkeeper.bookie.Journal.run(Journal.java:996)
~[org.apache.bookkeeper-bookkeeper-server-4.17.0-SNAPSHOT.jar:4.17.0-SNAPSHOT]
```
***To Reproduce***
1. Compile binaries on Java 11.
2. Run bookkeeper on Java 8.
***Expected behavior***
The binaries should be Java 8 compatible as long as we provide the support.
***Additional context***
Similar problem was solved in Pulsar by properly using
maven.compiler.release setting.
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