Activemq-cli-tools : Export messages from activemq broker 5.15.11 doesn't work

[pa...@post.ch.INVALID]

Hi everybody.

I'm trying to export the messages from an ActiveMQ broker into an XML file in order to re-import them later in Artemis.

The ActiveMQ Console shows me some queues with persistent messages in it.

The export using the ActiveMQ-cli-tools 0.2.0 seems to work but deliver always an empty file.

Here the command : Exporter kahadb -f --source kahadb -t activemq_dump.xml

Here the output : 
2023-09-05 19:16:27,890 [main           ] - INFO  Exporter                       - Starting KahaDB store export
2023-09-05 19:16:28,207 [main           ] - TRACE SharedFileLocker               - keepAlive result: true, name: kahadb
2023-09-05 19:16:28,230 [main           ] - TRACE Journal                        - Startup took: 17 ms
2023-09-05 19:16:28,256 [main           ] - INFO  MessageDatabase                - KahaDB is version 6
2023-09-05 19:16:41,397 [main           ] - DEBUG BTreeIndex                     - loading
2023-09-05 19:17:22,269 [main           ] - INFO  MessageDatabase                - Recovering from the journal @1:19544
2023-09-05 19:17:22,271 [main           ] - INFO  MessageDatabase                - Recovery replayed 2 operations from the journal in 0.019 seconds.
2023-09-05 20:20:00,274 [eckpoint Worker] - DEBUG MessageDatabase                - Checkpoint started.
2023-09-05 20:20:00,577 [eckpoint Worker] - DEBUG MessageDatabase                - Checkpoint done.
2023-09-05 20:20:03,589 [main           ] - INFO  KahaDBStore                    - Stopping async queue tasks
2023-09-05 20:20:03,590 [main           ] - INFO  KahaDBStore                    - Stopping async topic tasks
2023-09-05 20:20:03,591 [main           ] - DEBUG ThreadPoolUtils                - Forcing shutdown of ExecutorService: org.apache.activemq.store.kahadb.KahaDBStore$StoreTaskExecutor@73a8da0f[Running, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
2023-09-05 20:20:03,591 [main           ] - DEBUG ThreadPoolUtils                - Forcing shutdown of ExecutorService: org.apache.activemq.store.kahadb.KahaDBStore$StoreTaskExecutor@50dfbc58[Running, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
2023-09-05 20:20:03,592 [main           ] - INFO  KahaDBStore                    - Stopped KahaDB
2023-09-05 20:20:03,592 [main           ] - DEBUG MessageDatabase                - Checkpoint started.
2023-09-05 20:20:03,597 [main           ] - DEBUG MessageDatabase                - Checkpoint done.
2023-09-05 20:20:03,609 [main           ] - DEBUG ThreadPoolUtils                - Shutdown of ExecutorService: java.util.concurrent.ScheduledThreadPoolExecutor@5b67bb7e[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 127] is shutdown: true and terminated: true took: 0.001 seconds.
2023-09-05 20:20:03,610 [main           ] - DEBUG ThreadPoolUtils                - Shutdown of ExecutorService: java.util.concurrent.Executors$DelegatedScheduledExecutorService@82ea68c is shutdown: true and terminated: true took: 0.000 seconds.
2023-09-05 20:20:03,611 [main           ] - INFO  Exporter                       - Total export time: 3815718 ms

Any hint what could be wrong ?

Thanks in advance.

Cheers,
Patrick Brühlmann