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https://issues.apache.org/jira/browse/CAMEL-15117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Claus Ibsen resolved CAMEL-15117.
---------------------------------
Resolution: Fixed
> camel-salesforce - Consuming a subscribed message during shutdown causes NPE
> ----------------------------------------------------------------------------
>
> Key: CAMEL-15117
> URL: https://issues.apache.org/jira/browse/CAMEL-15117
> Project: Camel
> Issue Type: Bug
> Components: camel-salesforce
> Reporter: Otavio Rodolfo Piske
> Priority: Major
> Fix For: 3.4.0
>
>
> It seems that, sporadically, the code may throw an NPE.
>
> I am speculating*because I cannot confirm entirely due to the sporadic nature
> of the issue, but by looking at the logs and the behavior, it seems that the
> onMessage handler for subscriptions can still be called during the shutdown.
>
> {quote}2020-05-27 09:19:21,017 [orceConnector-0] INFO
> org.apache.camel.impl.engine.DefaultShutdownStrategy - Graceful shutdown of 1
> routes completed in 0 seconds
> 2020-05-27 09:19:21,018 [orceConnector-0] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - State updated: CONNECTED ->
> DISCONNECTING
> 2020-05-27 09:19:21,018 [orceConnector-0] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - Sending messages
> [\{clientId=hr1cjxz3pqn37al6x32wuz369e0, channel=/meta/disconnect, id=19}]
> 2020-05-27 09:19:21,018 [orceConnector-0] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - Sent disconnect
> \{clientId=hr1cjxz3pqn37al6x32wuz369e0, channel=/meta/disconnect, id=19}
> 2020-05-27 09:19:21,018 [orceConnector-0] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - Notifying threads in waitFor()
> 2020-05-27 09:19:21,018 [orceConnector-0] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - Waiting 60000ms for [DISCONNECTED]
> 2020-05-27 09:19:21,147 [nt@4ae82baa-204] DEBUG
> org.apache.camel.component.salesforce.internal.streaming.SubscriptionHelper$5
> - Received messages [\{clientId=hr1cjxz3pqn37al6x32wuz369e0,
> channel=/meta/disconnect, id=19, successful=true}]09:19:21,147
> [nt@4ae82baa-204] DEBUG org.cometd.client.BayeuxClient.67a9cb3f - Processing
> \{clientId=hr1cjxz3pqn37al6x32wuz369e0, channel=/meta/disconnect, id=19,
> successful=true}
> 2020-05-27 09:19:21,147 [nt@4ae82baa-204] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - State updated: DISCONNECTING ->
> TERMINATING
> 2020-05-27 09:19:21,147 [nt@4ae82baa-203] DEBUG
> org.apache.camel.component.salesforce.internal.streaming.SubscriptionHelper$5
> - Received messages [\{clientId=hr1cjxz3pqn37al6x32wuz369e0,
> channel=/meta/connect, id=17, successful=true}]27 09:19:21,147
> [nt@4ae82baa-203] DEBUG org.cometd.client.BayeuxClient.67a9cb3f - Processing
> \{clientId=hr1cjxz3pqn37al6x32wuz369e0, channel=/meta/connect, id=17,
> successful=true}
> 2020-05-27 09:19:21,148 [nt@4ae82baa-204] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - State updated: TERMINATING ->
> DISCONNECTED
> 2020-05-27 09:19:21,148 [nt@4ae82baa-204] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - Notifying threads in waitFor()
> 2020-05-27 09:19:21,148 [orceConnector-0] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - Waited 129/60000ms for
> [DISCONNECTED], state is DISCONNECTED
> 2020-05-27 09:19:21,148 [nt@4ae82baa-203] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - State not updated: DISCONNECTED ->
> CONNECTED
> 2020-05-27 09:19:21,148 [nt@4ae82baa-203] DEBUG
> org.cometd.client.BayeuxClient.67a9cb3f - Notifying threads in waitFor()
> 2020-05-27 09:19:21,169 [nt@4ae82baa-209] DEBUG
> org.apache.camel.component.salesforce.internal.streaming.SubscriptionHelper$5
> - Received messages [\{clientId=hr1cjxz3pqn37al6x32wuz369e0,
> channel=/meta/subscribe, id=18, subscription=/topic/CamelKafkaConnectorTopic,
> successful=true}]td.client.BayeuxClient.67a9cb3f - Processing
> \{clientId=hr1cjxz3pqn37al6x32wuz369e0, channel=/meta/subscribe, id=18,
> subscription=/topic/CamelKafkaConnectorTopic, successful=true}7 09:19:21,169
> [nt@4ae82baa-209] DEBUG
> org.apache.camel.component.salesforce.internal.streaming.SubscriptionHelper -
> [CHANNEL:META_SUBSCRIBE]: \{clientId=hr1cjxz3pqn37al6x32wuz369e0,
> channel=/meta/subscribe, id=18, subscription=/topic/CamelKafkaConnectorTopic,
> successful=true}mel.component.salesforce.internal.streaming.SubscriptionHelper
> - Subscribed to channel /topic/CamelKafkaConnectorTopic
> 2020-05-27 09:19:21,169 [nt@4ae82baa-209] INFO
> org.cometd.bayeux.client.ClientSession - Exception while invoking listener
> org.apache.camel.component.salesforce.internal.streaming.SubscriptionHelper$7@62e79206
> java.lang.NullPointerException: null
> at
> org.apache.camel.component.salesforce.internal.streaming.SubscriptionHelper$7.onMessage(SubscriptionHelper.java:458)
> ~[camel-salesforce-3.3.0.jar:3.3.0]
> at
> org.cometd.common.AbstractClientSession$AbstractSessionChannel.notifyOnMessage(AbstractClientSession.java:583)
> ~[cometd-java-common-4.0.4.jar:4.0.4]
> at
> org.cometd.common.AbstractClientSession$AbstractSessionChannel.notifyMessageListeners(AbstractClientSession.java:568)
> ~[cometd-java-common-4.0.4.jar:4.0.4]
> at
> org.cometd.common.AbstractClientSession.notifyListeners(AbstractClientSession.java:308)
> ~[cometd-java-common-4.0.4.jar:4.0.4]
> at
> org.cometd.common.AbstractClientSession.lambda$receive$4(AbstractClientSession.java:269)
> ~[cometd-java-common-4.0.4.jar:4.0.4]
> at org.cometd.bayeux.Promise$2.succeed(Promise.java:103)
> [bayeux-api-4.0.4.jar:4.0.4]
> ...
> {quote}
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