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https://issues.apache.org/jira/browse/ARTEMIS-5790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18042808#comment-18042808
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Justin Bertram commented on ARTEMIS-5790:
-----------------------------------------
Also, keep in mind that Artemis is not yet compatible with Netty 4.2.x since it
has breaking changes as compared to Netty 4.1.x. That work is being tracked by
ARTEMIS-5734.
> Artemis broker calls deprecated netty method on initialization which fails
> with exception on Java 25
> ----------------------------------------------------------------------------------------------------
>
> Key: ARTEMIS-5790
> URL: https://issues.apache.org/jira/browse/ARTEMIS-5790
> Project: Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.43.0
> Reporter: Andreas Baumgart
> Priority: Major
>
> We are currently migrating from Spring Boot 3 to 4 on Java 25. Spring Boot 4
> uses Artemis 2.43.0 and Netty 4.2.7.
> Our server runs with an embedded Artemis broker which now fails at startup
> with the following exception:
> {noformat}
> 04.12.2025 14:12:52.576 INFO 34508 --- [server] [ main] [
> ]o.apache.activemq.artemis.core.server : AMQ221013:
> Using NIO Journal
> 04.12.2025 14:12:52.609 INFO 34508 --- [server] [ main] [
> ]o.apache.activemq.artemis.core.server : AMQ221057:
> Global Max Size is being adjusted to 1/2 of the JVM max size (-Xmx). being
> defined as 12868124672
> 04.12.2025 14:12:52.627 INFO 34508 --- [server] [ main] [
> ]o.apache.activemq.artemis.core.server : AMQ221043:
> Protocol module found: [artemis-server]. Adding protocol support for: CORE
> 04.12.2025 14:12:52.628 INFO 34508 --- [server] [ main] [
> ]o.apache.activemq.artemis.core.server : AMQ221043:
> Protocol module found: [artemis-openwire-protocol]. Adding protocol support
> for: OPENWIRE
> 04.12.2025 14:12:52.628 INFO 34508 --- [server] [ main] [
> ]o.apache.activemq.artemis.core.server : AMQ221043:
> Protocol module found: [artemis-openwire-protocol]. Adding protocol support
> for: OPENWIRE
> 04.12.2025 14:12:52.684 INFO 34508 --- [server] [ main] [
> ]o.apache.activemq.artemis.core.server : AMQ221034:
> Waiting indefinitely to obtain primary lock04.12.2025 14:12:52.684 INFO
> 34508 --- [server] [ main] [
> ]o.apache.activemq.artemis.core.server : AMQ221035: Primary Server
> Obtained primary lock
> 04.12.2025 14:12:52.730 ERROR 34508 --- [server] [ main] [
> ]o.apache.activemq.artemis.core.server : AMQ224000:
> Failure in initialisation
> java.lang.UnsupportedOperationException: Cannot clean arbitrary ByteBuffer
> instances
> at
> io.netty.util.internal.CleanerJava25.freeDirectBuffer(CleanerJava25.java:177)
> at
> io.netty.util.internal.PlatformDependent.freeDirectBuffer(PlatformDependent.java:613)
> at
> org.apache.activemq.artemis.core.io.nio.NIOSequentialFileFactory.releaseDirectBuffer(NIOSequentialFileFactory.java:138)
> at
> org.apache.activemq.artemis.core.journal.impl.JournalImpl.load(JournalImpl.java:2317)
> at
> org.apache.activemq.artemis.core.journal.impl.JournalImpl.load(JournalImpl.java:1649)
> at org.apache.activemq.artemis.core.journal.Journal.load(Journal.java:276)
> at
> org.apache.activemq.artemis.core.persistence.impl.journal.AbstractJournalStorageManager.loadBindingJournal(AbstractJournalStorageManager.java:1659)
> at
> org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.loadJournals(ActiveMQServerImpl.java:3837)
> at
> org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.initialisePart2(ActiveMQServerImpl.java:3469)
> at
> org.apache.activemq.artemis.core.server.impl.PrimaryOnlyActivation.run(PrimaryOnlyActivation.java:78)
> at
> org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.internalStart(ActiveMQServerImpl.java:754)
> at
> org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.start(ActiveMQServerImpl.java:644)
> at
> org.apache.activemq.artemis.core.server.embedded.EmbeddedActiveMQ.start(EmbeddedActiveMQ.java:124)
> at
> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
> at java.base/java.lang.reflect.Method.invoke(Method.java:565){noformat}
> The problem seems to be that {{NIOSequentialFileFactory}} calls the
> deprecated {{PlatformDependent.freeDirectBuffer}} Netty method which now
> delegates to the {{CleanerJava25}} method which throws an
> {{{}UnsupportedOperationException{}}}.
> The issue currently blocks our Spring Boot upgrade. Would be great if it
> could be fixed or if someone would have at least an idea how to workaround it.
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