java.lang.NullPointerException: This exception has no message.

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via Spring JIRA by Serhii Marchuk, 1 year ago
This exception has no message.
via Spring JIRA by Serhii Marchuk, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:332)
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:987)
at org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry$SessionSubscriptionInfo.getSubscriptions(DefaultSubscriptionRegistry.java:315)
at org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry.removeSubscriptionInternal(DefaultSubscriptionRegistry.java:98)
at org.springframework.messaging.simp.broker.AbstractSubscriptionRegistry.unregisterSubscription(AbstractSubscriptionRegistry.java:97)
at org.springframework.messaging.simp.broker.SimpleBrokerMessageHandler.handleMessageInternal(SimpleBrokerMessageHandler.java:154)
at org.springframework.messaging.simp.broker.AbstractBrokerMessageHandler.handleMessage(AbstractBrokerMessageHandler.java:171)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)

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