[AMQ-9254] KahaDB minor fix when db files may be larger than max length

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 6.0.0, 5.17.5, 5.18.2
• Component/s: KahaDB
• Assignee: Matt Pavlovich
• Reporter: Matt Pavlovich
• Created: 01/May/23 15:33
• Updated: 29/Jun/23 22:54
• Resolved: 03/May/23 10:08

Description

Log message:

Caused by: java.io.IOException: Invalid location size: 54:33554460, size: 2412
        at org.apache.activemq.store.kahadb.disk.journal.DataFileAccessor.readRecord(DataFileAccessor.java:88) ~[?:?]
        at org.apache.activemq.store.kahadb.disk.journal.Journal.read(Journal.java:953) ~[?:?]
        at org.apache.activemq.store.kahadb.MessageDatabase.load(MessageDatabase.java:1197) ~[?:?]
        at org.apache.activemq.store.kahadb.KahaDBStore.loadMessage(KahaDBStore.java:1401) ~[?:?]
        ... 74 more

db-54.log size: 33556877

Note: This read would have succeeded otherwise.

Reproducible test case:
ref: https://github.com/mattrpav/activemq-jira-9254

Issue Links

• is related to: AMQ-6815 KahaDB checkpoint needs to fail fast in the event of journal write failure