[ARTEMIS-4639] Artemis Cluster and NullpointerException in "sending topology"

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.32.0
• Fix Version/s: 2.33.0
• Component/s: Broker, Clustering
• Assignee: Justin Bertram
• Reporter: Jean-Pascal Briquet
• Created: 07/Feb/24 15:04
• Updated: 19/Mar/24 22:36
• Resolved: 09/Feb/24 10:49

Description

A NullPointerException may appear while the "sending topology" operation is being executed.

Configuration:
Artemis clustering enabled with static connectors using the option allow-direct-connections-only="true". 

Broker logs:

2024-02-06 22:06:14,259 WARN  [org.apache.activemq.artemis.core.client] AMQ212030: error sending topology
java.lang.NullPointerException: Cannot invoke "org.apache.activemq.artemis.api.core.TransportConfiguration.newTransportConfig(String)" because the return value of "org.apache.activemq.artemis.api.core.client.TopologyMember.getLive()" is null
	at org.apache.activemq.artemis.core.server.cluster.impl.ClusterConnectionImpl.nodeUP(ClusterConnectionImpl.java:755) ~[artemis-server-2.30.0.jar:2.30.0]
	at org.apache.activemq.artemis.core.client.impl.Topology$1.run(Topology.java:284) ~[artemis-core-client-2.30.0.jar:2.30.0]
	at org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:57) ~[artemis-commons-2.30.0.jar:?]
	at org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:32) ~[artemis-commons-2.30.0.jar:?]
	at org.apache.activemq.artemis.utils.actors.ProcessorBase.executePendingTasks(ProcessorBase.java:68) ~[artemis-commons-2.30.0.jar:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) [?:?]
	at org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118) [artemis-commons-2.30.0.jar:?]

2024-02-06 22:06:14,260 WARN  [org.apache.activemq.artemis.core.client] AMQ212030: error sending topology
java.lang.NullPointerException: Cannot invoke "org.apache.activemq.artemis.api.core.TransportConfiguration.getParams()" because "liveConnector" is null
	at org.apache.activemq.artemis.core.client.impl.TopologyMemberImpl.toURI(TopologyMemberImpl.java:133) ~[artemis-core-client-2.30.0.jar:2.30.0]
	at org.apache.activemq.artemis.core.protocol.openwire.OpenWireProtocolManager.generateMembersURI(OpenWireProtocolManager.java:536) ~[artemis-openwire-protocol-2.30.0.jar:2.30.0]
	at org.apache.activemq.artemis.core.protocol.openwire.OpenWireProtocolManager.newConnectionControl(OpenWireProtocolManager.java:521) ~[artemis-openwire-protocol-2.30.0.jar:2.30.0]
	at org.apache.activemq.artemis.core.protocol.openwire.OpenWireProtocolManager.updateClientClusterInfo(OpenWireProtocolManager.java:288) ~[artemis-openwire-protocol-2.30.0.jar:2.30.0]
	at org.apache.activemq.artemis.core.protocol.openwire.OpenWireProtocolManager.nodeUP(OpenWireProtocolManager.java:236) ~[artemis-openwire-protocol-2.30.0.jar:2.30.0]
	at org.apache.activemq.artemis.core.client.impl.Topology$1.run(Topology.java:284) ~[artemis-core-client-2.30.0.jar:2.30.0]
	at org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:57) ~[artemis-commons-2.30.0.jar:?]
	at org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:32) ~[artemis-commons-2.30.0.jar:?]
	at org.apache.activemq.artemis.utils.actors.ProcessorBase.executePendingTasks(ProcessorBase.java:68) ~[artemis-commons-2.30.0.jar:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) [?:?]
	at org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118) [artemis-commons-2.30.0.jar:?]

Issue Links

• links to: GitHub Pull Request #4814