Yup, it was part of my list ;)

I will create the tickets to clearly track the work to be done.

I also propose to already create the PR with JDK25 update to see where
we are failing and update step by step.

Thanks Jean-Louis !

Regards
JB

On Thu, Nov 13, 2025 at 4:02 PM Jean-Louis Monteiro
<[email protected]> wrote:
>
> Thanks JB
> I was looking at the AnnotatedMBean which is using the security manager to
> get the subject for auditing.
>
> We need to rework it so we can preserve the auditing feature
> Long story short, a ticket with subtasks would be ideal so we can all help
> --
> Jean-Louis Monteiro
> http://twitter.com/jlouismonteiro
> http://www.tomitribe.com
>
>
> On Thu, Nov 13, 2025 at 3:55 PM Jean-Baptiste Onofré <[email protected]>
> wrote:
>
> > Hi
> >
> > We have some work to do for JDK25 (Scheduler, SecurityManager,
> > dependencies check, ..).
> >
> > I think it's reasonable to target 6.3.0 for JDK25 (including
> > VirtualThread tech preview, CI updates, etc).
> >
> > I will create the tickets and start to work on this with other
> > contributors.
> >
> > Regards
> > JB
> >
> > On Thu, Nov 13, 2025 at 2:08 PM Christopher Shannon
> > <[email protected]> wrote:
> > >
> > > Hi Jon,
> > >
> > > JDK 25 is something I haven't tried out yet (I'm not sure if others have)
> > > so if you can dig into the issue more that would be welcome. There are
> > > going to be more things to fix as well to make ActiveMQ compatible with
> > JDK
> > > 25 as well so it's something that just needs to be worked on in general
> > now
> > > that JDK 25 is released.
> > >
> > > JB and/or Matt, do you guys have any thoughts on which version we
> > > should target JDK 25 compatibility with for ActiveMQ? It might depend how
> > > much needs to be fixed, Artemis just went through some of this recently:
> > > https://issues.apache.org/jira/browse/ARTEMIS-5711
> > >
> > > Chris
> > >
> > > On Thu, Nov 13, 2025 at 6:19 AM Jonathan Gallimore <
> > > [email protected]> wrote:
> > >
> > > > Hi,
> > > >
> > > > I'm currently building ActiveMQ using Java 25, and running into some
> > > > problems where running tests will just 'lock up'. An example
> > > > is JmsSchedulerTest. These two threads are both blocked:
> > > >
> > > > "main" #3 [5635] prio=5 os_prio=31 cpu=657.39ms elapsed=1429.54s
> > > > tid=0x000000013401ee00 nid=5635 waiting on condition
> > [0x000000016bacd000]
> > > >    java.lang.Thread.State: WAITING (parking)
> > > > at jdk.internal.misc.Unsafe.park(java.base@25/Native Method)
> > > > - parking to wait for  <0x00000007e0cdd530> (a
> > > > java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync)
> > > > at java.util.concurrent.locks.LockSupport.park(java.base@25
> > > > /LockSupport.java:223)
> > > > at
> > > >
> > > >
> > java.util.concurrent.locks.AbstractQueuedLongSynchronizer.acquire(java.base@25
> > > > /AbstractQueuedLongSynchronizer.java:410)
> > > > at
> > > >
> > > >
> > java.util.concurrent.locks.AbstractQueuedLongSynchronizer.acquire(java.base@25
> > > > /AbstractQueuedLongSynchronizer.java:650)
> > > > at
> > > >
> > > >
> > java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.lock(java.base@25
> > > > /ReentrantReadWriteLock.java:966)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.scheduler.JobSchedulerStoreImpl.unload(JobSchedulerStoreImpl.java:214)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.AbstractKahaDBStore.doStop(AbstractKahaDBStore.java:141)
> > > > at org.apache.activemq.util.ServiceSupport.stop(ServiceSupport.java:71)
> > > > at
> > > >
> > > >
> > org.apache.activemq.broker.scheduler.SchedulerBroker.stop(SchedulerBroker.java:223)
> > > > at org.apache.activemq.broker.BrokerFilter.stop(BrokerFilter.java:194)
> > > > at
> > > >
> > > >
> > org.apache.activemq.broker.TransactionBroker.stop(TransactionBroker.java:209)
> > > > at
> > org.apache.activemq.broker.BrokerService$3.stop(BrokerService.java:2363)
> > > > at org.apache.activemq.util.ServiceStopper.stop(ServiceStopper.java:41)
> > > > at
> > org.apache.activemq.broker.BrokerService.stop(BrokerService.java:849)
> > > > at
> > > >
> > > >
> > org.apache.activemq.broker.scheduler.JobSchedulerTestSupport.tearDown(JobSchedulerTestSupport.java:69)
> > > > at
> > > >
> > > >
> > java.lang.invoke.LambdaForm$DMH/0x000001ff01108000.invokeVirtual(java.base@25
> > > > /LambdaForm$DMH)
> > > > at
> > java.lang.invoke.LambdaForm$MH/0x000001ff01108800.invoke(java.base@25
> > > > /LambdaForm$MH)
> > > > at java.lang.invoke.Invokers$Holder.invokeExact_MT(java.base@25
> > > > /Invokers$Holder)
> > > > at
> > jdk.internal.reflect.DirectMethodHandleAccessor.invokeImpl(java.base@25
> > > > /DirectMethodHandleAccessor.java:154)
> > > > at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(java.base@25
> > > > /DirectMethodHandleAccessor.java:104)
> > > > at java.lang.reflect.Method.invoke(java.base@25/Method.java:565)
> > > > at
> > > >
> > > >
> > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> > > > at
> > > >
> > > >
> > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> > > > at
> > > >
> > > >
> > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> > > > at
> > > >
> > > >
> > org.junit.internal.runners.statements.RunAfters.invokeMethod(RunAfters.java:46)
> > > > at
> > > >
> > org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
> > > > at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
> > > > at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> > > > at
> > > >
> > > >
> > org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
> > > > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
> > > > at
> > > >
> > > >
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
> > > > at
> > > >
> > > >
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
> > > > at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
> > > > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
> > > > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
> > > > at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
> > > > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
> > > > at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> > > > at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
> > > > at
> > > >
> > > >
> > org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:316)
> > > > at
> > > >
> > > >
> > org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:240)
> > > > at
> > > >
> > > >
> > org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:214)
> > > > at
> > > >
> > > >
> > org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:155)
> > > > at
> > > >
> > > >
> > org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385)
> > > > at
> > > >
> > > >
> > org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
> > > > at
> > org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507)
> > > > at
> > > >
> > org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495)
> > > >
> > > > "JobScheduler:JMS" #129 [42779] daemon prio=5 os_prio=31 cpu=10.67ms
> > > > elapsed=1417.10s tid=0x000000013200c000 nid=42779 waiting on condition
> > > >  [0x0000000328c42000]
> > > >    java.lang.Thread.State: WAITING (parking)
> > > > at jdk.internal.misc.Unsafe.park(java.base@25/Native Method)
> > > > - parking to wait for  <0x00000007e0cdd530> (a
> > > > java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync)
> > > > at java.util.concurrent.locks.LockSupport.park(java.base@25
> > > > /LockSupport.java:223)
> > > > at
> > > >
> > > >
> > java.util.concurrent.locks.AbstractQueuedLongSynchronizer.acquire(java.base@25
> > > > /AbstractQueuedLongSynchronizer.java:410)
> > > > at
> > > >
> > > >
> > java.util.concurrent.locks.AbstractQueuedLongSynchronizer.acquire(java.base@25
> > > > /AbstractQueuedLongSynchronizer.java:650)
> > > > at
> > > >
> > > >
> > java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.lock(java.base@25
> > > > /ReentrantReadWriteLock.java:966)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.scheduler.JobSchedulerStoreImpl$8.visit(JobSchedulerStoreImpl.java:696)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.data.KahaAddScheduledJobCommand.visit(KahaAddScheduledJobCommand.java:283)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.scheduler.JobSchedulerStoreImpl.process(JobSchedulerStoreImpl.java:691)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.AbstractKahaDBStore.store(AbstractKahaDBStore.java:495)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.AbstractKahaDBStore.store(AbstractKahaDBStore.java:403)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.scheduler.JobSchedulerImpl.doSchedule(JobSchedulerImpl.java:252)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.scheduler.JobSchedulerImpl.schedule(JobSchedulerImpl.java:100)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.scheduler.JobSchedulerImpl.mainLoop(JobSchedulerImpl.java:782)
> > > > at
> > > >
> > > >
> > org.apache.activemq.store.kahadb.scheduler.JobSchedulerImpl.run(JobSchedulerImpl.java:699)
> > > > at java.lang.Thread.runWith(java.base@25/Thread.java:1487)
> > > > at java.lang.Thread.run(java.base@25/Thread.java:1474)
> > > >
> > > > Looking at the ReentrantReadWriteLock$NonfairSync in question in a heap
> > > > dump, the 'firstReader' is the JobScheduler:JMS thread, which I assume
> > has
> > > > a read lock on this already and both threads are attempting to acquire
> > a
> > > > write lock.
> > > >
> > > > Weirdly, I don't see this with Java 21. I'll try and dig in to get some
> > > > more information on what's happening, and if appropriate, send a patch.
> > > >
> > > > Any thoughts are welcome - and if no-one has any thoughts, that's cool
> > too,
> > > > I'm happy to continue working through this and report back.
> > > >
> > > > Jon
> > > >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: [email protected]
> > For additional commands, e-mail: [email protected]
> > For further information, visit: https://activemq.apache.org/contact
> >
> >
> >

---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
For further information, visit: https://activemq.apache.org/contact


Reply via email to