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https://issues.apache.org/jira/browse/ARTEMIS-2551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16973486#comment-16973486
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Justin Bertram commented on ARTEMIS-2551:
-----------------------------------------
This is happening because the JMS bridge is translating a foreign message
implementation to an ActiveMQ Artemis message implementation. During this
process all the properties from the foreign message will be copied to the
Artemis version. The Artemis code uses
[{{javax.jms.Message.getPropertyNames()}}|https://docs.oracle.com/javaee/7/api/javax/jms/Message.html#getPropertyNames--]
to identify the names of all the properties on the foreign message and then
uses those names to invoke {{javax.jms.Message.getObjectProperty()}} to get the
property's value.
In your case the code encounters a property named {{JMSXGroupSeq}}. The code
then tries to get the value of this property from the foreign message and set
it on the Artemis implementation. It fails because the value of
{{JMSXGroupSeq}} in the foreign message is {{null}}. Section 3.5.9 of both the
JMS 2.0 & 1.1 specifications indicate that the {{JMSXGroupSeq}} property is of
type {{int}}. An {{int}} is a primitive type and therefore should not be
{{null}}. Based on this I'd say that the foreign message implementation you're
using is not compliant with the JMS specification.
> NPE in MessageUtil.setObjectProperty when name is 'JMSXGroupSeq'
> ----------------------------------------------------------------
>
> Key: ARTEMIS-2551
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2551
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 2.10.1
> Reporter: Michael Szodorai
> Priority: Critical
>
> {code:java}
> java.lang.NullPointerException
> at java.base/java.util.Objects.requireNonNull(Objects.java:221)
> at
> [email protected]//org.apache.activemq.artemis.reader.MessageUtil.getInteger(MessageUtil.java:267)
> at
> [email protected]//org.apache.activemq.artemis.reader.MessageUtil.setObjectProperty(MessageUtil.java:258)
> at
> [email protected]//org.apache.activemq.artemis.jms.client.ActiveMQMessage.setObjectProperty(ActiveMQMessage.java:702)
> at
> [email protected]//org.apache.activemq.artemis.jms.client.ActiveMQMessage.<init>(ActiveMQMessage.java:296)
> at
> [email protected]//org.apache.activemq.artemis.jms.client.ActiveMQBytesMessage.<init>(ActiveMQBytesMessage.java:88)
> at
> [email protected]//org.apache.activemq.artemis.jms.client.ActiveMQMessageProducer.doSendx(ActiveMQMessageProducer.java:421)
> at
> [email protected]//org.apache.activemq.artemis.jms.client.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:222)
> at
> [email protected]//org.apache.activemq.artemis.jms.bridge.impl.JMSBridgeImpl.sendMessages(JMSBridgeImpl.java:1627)
> at
> [email protected]//org.apache.activemq.artemis.jms.bridge.impl.JMSBridgeImpl.sendBatchNonTransacted(JMSBridgeImpl.java:1460)
> at
> [email protected]//org.apache.activemq.artemis.jms.bridge.impl.JMSBridgeImpl.sendBatch(JMSBridgeImpl.java:1435)
> at
> [email protected]//org.apache.activemq.artemis.jms.bridge.impl.JMSBridgeImpl.access$1800(JMSBridgeImpl.java:77)
> at
> [email protected]//org.apache.activemq.artemis.jms.bridge.impl.JMSBridgeImpl$SourceReceiver.run(JMSBridgeImpl.java:1829)
> at
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:834)
> {code}
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