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 > > >
