Hi, Yesterday the server (version 2.5.0) was processing > 2m messages, today I needed to restart the broker but it failed with an NPE.
Here's the log. 2018-05-11 10:19:22,898 INFO [org.apache.activemq.artemis.integration.bootstrap] AMQ101000: Starting ActiveMQ Artemis Server 2018-05-11 10:19:23,017 INFO [org.apache.activemq.artemis.core.server] AMQ221000: live Message Broker is starting with configuration Broker Configuration (clustered=true,journalDirectory=data/journal,bindingsDirectory=data/bindings,largeMessagesDirectory=data/large-messages,pagingDirectory=data/paging) 2018-05-11 10:19:23,063 INFO [org.apache.activemq.artemis.core.server] AMQ221012: Using AIO Journal 2018-05-11 10:19:23,134 INFO [org.apache.activemq.artemis.core.server] AMQ221057: Global Max Size is being adjusted to 1/2 of the JVM max size (-Xmx). being defined as 1,342,177,280 2018-05-11 10:19:23,249 INFO [org.apache.activemq.artemis.core.server] AMQ221043: Protocol module found: [artemis-server]. Adding protocol support for: CORE 2018-05-11 10:19:23,253 INFO [org.apache.activemq.artemis.core.server] AMQ221043: Protocol module found: [artemis-amqp-protocol]. Adding protocol support for: AMQP 2018-05-11 10:19:23,253 INFO [org.apache.activemq.artemis.core.server] AMQ221043: Protocol module found: [artemis-hornetq-protocol]. Adding protocol support for: HORNETQ 2018-05-11 10:19:23,254 INFO [org.apache.activemq.artemis.core.server] AMQ221043: Protocol module found: [artemis-mqtt-protocol]. Adding protocol support for: MQTT 2018-05-11 10:19:23,254 INFO [org.apache.activemq.artemis.core.server] AMQ221043: Protocol module found: [artemis-openwire-protocol]. Adding protocol support for: OPENWIRE 2018-05-11 10:19:23,255 INFO [org.apache.activemq.artemis.core.server] AMQ221043: Protocol module found: [artemis-stomp-protocol]. Adding protocol support for: STOMP 2018-05-11 10:19:23,626 INFO [org.apache.activemq.artemis.core.server] AMQ221034: Waiting indefinitely to obtain live lock 2018-05-11 10:19:23,627 INFO [org.apache.activemq.artemis.core.server] AMQ221035: Live Server Obtained live lock 2018-05-11 10:19:34,878 ERROR [org.apache.activemq.artemis.core.server] AMQ224000: Failure in initialisation: java.lang.NullPointerException at org.apache.activemq.artemis.core.paging.cursor.impl.PageSubscriptionImpl.installTXCallback(PageSubscriptionImpl.java:848) [artemis-server-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.core.paging.cursor.impl.PageSubscriptionImpl.reloadPreparedACK(PageSubscriptionImpl.java:582) [artemis-server-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.core.persistence.impl.journal.AbstractJournalStorageManager.loadPreparedTransactions(AbstractJournalStorageManager.java:1774) [artemis-server-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.core.persistence.impl.journal.AbstractJournalStorageManager.loadMessageJournal(AbstractJournalStorageManager.java:1169) [artemis-server-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.loadJournals(ActiveMQServerImpl.java:2588) [artemis-server-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.initialisePart2(ActiveMQServerImpl.java:2346) [artemis-server-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.core.server.impl.LiveOnlyActivation.run(LiveOnlyActivation.java:71) [artemis-server-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.internalStart(ActiveMQServerImpl.java:522) [artemis-server-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.start(ActiveMQServerImpl.java:461) [artemis-server-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.integration.FileBroker.start(FileBroker.java:111) [artemis-cli-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.cli.commands.Run.execute(Run.java:82) [artemis-cli-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.cli.Artemis.internalExecute(Artemis.java:149) [artemis-cli-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.cli.Artemis.execute(Artemis.java:97) [artemis-cli-2.5.0.jar:2.5.0] at org.apache.activemq.artemis.cli.Artemis.execute(Artemis.java:124) [artemis-cli-2.5.0.jar:2.5.0] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_151] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_151] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_151] at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_151] at org.apache.activemq.artemis.boot.Artemis.execute(Artemis.java:129) [artemis-boot.jar:2.5.0] at org.apache.activemq.artemis.boot.Artemis.main(Artemis.java:49) [artemis-boot.jar:2.5.0] What is it about? Thanks, Archibald -- Sent from: http://activemq.2283324.n4.nabble.com/ActiveMQ-User-f2341805.html