java.lang.NullPointerException

Spring JIRA | Serhii Marchuk | 3 years ago
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  1. 0

    When stomp client sends unsubscribe command the NullPointerException occurs in DefaultSubscriptionRegistry. Stack trace and log example: aa DEBUG org.springframework.messaging.simp.stomp.StompDecoder: Decoded [Payload byte[0]][Headers={stompCommand=UNSUBSCRIBE, nativeHeaders={id=[/topic/name.100]}, simpMessageType=UNSUBSCRIBE, simpSubscriptionId=/topic/name.100, id=7ead5193-cfdc-94f7-8571-6a0721ee2226, timestamp=1401467621119}] aa DEBUG org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry: Unubscribe request: [Payload byte[0]][Headers={stompCommand=UNSUBSCRIBE, nativeHeaders={id=[/topic/name.100]}, simpMessageType=UNSUBSCRIBE, simpSessionAttributes={}, simpSubscriptionId=/topic/name.100, simpSessionId=s2i37nxt, id=2f7bd8d9-1cfb-b635-ea67-661f078f69f7, timestamp=1401467621119}] aa DEBUG org.springframework.messaging.simp.stomp.StompDecoder: Decoded [Payload byte[0]][Headers={stompCommand=UNSUBSCRIBE, nativeHeaders={id=[/topic/name.*]}, simpMessageType=UNSUBSCRIBE, simpSubscriptionId=/topic/name.*, id=00039d49-3fc4-fd23-f006-6a2e4cd01dc9, timestamp=1401467621119}] aa DEBUG org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry: Unubscribe request: [Payload byte[0]][Headers={stompCommand=UNSUBSCRIBE, nativeHeaders={id=[/topic/name.*]}, simpMessageType=UNSUBSCRIBE, simpSessionAttributes={}, simpSubscriptionId=/topic/name.*, simpSessionId=s2i37nxt, id=9ed66ecc-4c0d-d59c-8458-4285dd630831, timestamp=1401467621119}] Exception in thread "clientInboundChannel-5" java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333) at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988) 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:91) at org.springframework.messaging.simp.broker.SimpleBrokerMessageHandler.handleMessageInternal(SimpleBrokerMessageHandler.java:129) at org.springframework.messaging.simp.broker.AbstractBrokerMessageHandler.handleMessage(AbstractBrokerMessageHandler.java:177) at org.springframework.messaging.support.ExecutorSubscribableChannel$1.run(ExecutorSubscribableChannel.java:70) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Exception in thread "clientInboundChannel-2" java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333) at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988) 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:91) at org.springframework.messaging.simp.broker.SimpleBrokerMessageHandler.handleMessageInternal(SimpleBrokerMessageHandler.java:129) at org.springframework.messaging.simp.broker.AbstractBrokerMessageHandler.handleMessage(AbstractBrokerMessageHandler.java:177) at org.springframework.messaging.support.ExecutorSubscribableChannel$1.run(ExecutorSubscribableChannel.java:70) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)

    Spring JIRA | 3 years ago | Serhii Marchuk
    java.lang.NullPointerException
  2. 0

    When stomp client sends unsubscribe command the NullPointerException occurs in DefaultSubscriptionRegistry. Stack trace and log example: aa DEBUG org.springframework.messaging.simp.stomp.StompDecoder: Decoded [Payload byte[0]][Headers={stompCommand=UNSUBSCRIBE, nativeHeaders={id=[/topic/name.100]}, simpMessageType=UNSUBSCRIBE, simpSubscriptionId=/topic/name.100, id=7ead5193-cfdc-94f7-8571-6a0721ee2226, timestamp=1401467621119}] aa DEBUG org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry: Unubscribe request: [Payload byte[0]][Headers={stompCommand=UNSUBSCRIBE, nativeHeaders={id=[/topic/name.100]}, simpMessageType=UNSUBSCRIBE, simpSessionAttributes={}, simpSubscriptionId=/topic/name.100, simpSessionId=s2i37nxt, id=2f7bd8d9-1cfb-b635-ea67-661f078f69f7, timestamp=1401467621119}] aa DEBUG org.springframework.messaging.simp.stomp.StompDecoder: Decoded [Payload byte[0]][Headers={stompCommand=UNSUBSCRIBE, nativeHeaders={id=[/topic/name.*]}, simpMessageType=UNSUBSCRIBE, simpSubscriptionId=/topic/name.*, id=00039d49-3fc4-fd23-f006-6a2e4cd01dc9, timestamp=1401467621119}] aa DEBUG org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry: Unubscribe request: [Payload byte[0]][Headers={stompCommand=UNSUBSCRIBE, nativeHeaders={id=[/topic/name.*]}, simpMessageType=UNSUBSCRIBE, simpSessionAttributes={}, simpSubscriptionId=/topic/name.*, simpSessionId=s2i37nxt, id=9ed66ecc-4c0d-d59c-8458-4285dd630831, timestamp=1401467621119}] Exception in thread "clientInboundChannel-5" java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333) at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988) 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:91) at org.springframework.messaging.simp.broker.SimpleBrokerMessageHandler.handleMessageInternal(SimpleBrokerMessageHandler.java:129) at org.springframework.messaging.simp.broker.AbstractBrokerMessageHandler.handleMessage(AbstractBrokerMessageHandler.java:177) at org.springframework.messaging.support.ExecutorSubscribableChannel$1.run(ExecutorSubscribableChannel.java:70) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Exception in thread "clientInboundChannel-2" java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333) at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988) 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:91) at org.springframework.messaging.simp.broker.SimpleBrokerMessageHandler.handleMessageInternal(SimpleBrokerMessageHandler.java:129) at org.springframework.messaging.simp.broker.AbstractBrokerMessageHandler.handleMessage(AbstractBrokerMessageHandler.java:177) at org.springframework.messaging.support.ExecutorSubscribableChannel$1.run(ExecutorSubscribableChannel.java:70) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)

    Spring JIRA | 3 years ago | Serhii Marchuk
    java.lang.NullPointerException
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  4. 0

    NullPointerException

    GitHub | 3 years ago | Usnul
    java.lang.NullPointerException

  1. Hronom 201 times, last 2 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.util.concurrent.ConcurrentHashMap.hash()
  2. Java RT
    ConcurrentHashMap.get
    1. java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
    2. java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)
    2 frames
  3. Spring Messaging
    ExecutorSubscribableChannel$1.run
    1. org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry$SessionSubscriptionInfo.getSubscriptions(DefaultSubscriptionRegistry.java:315)
    2. org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry.removeSubscriptionInternal(DefaultSubscriptionRegistry.java:98)
    3. org.springframework.messaging.simp.broker.AbstractSubscriptionRegistry.unregisterSubscription(AbstractSubscriptionRegistry.java:91)
    4. org.springframework.messaging.simp.broker.SimpleBrokerMessageHandler.handleMessageInternal(SimpleBrokerMessageHandler.java:129)
    5. org.springframework.messaging.simp.broker.AbstractBrokerMessageHandler.handleMessage(AbstractBrokerMessageHandler.java:177)
    6. org.springframework.messaging.support.ExecutorSubscribableChannel$1.run(ExecutorSubscribableChannel.java:70)
    6 frames
  4. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames