java.lang.NullPointerException: list cannot be null

GitHub | Donnerbart | 4 months ago
  1. 0

    NullPointerException while deleting item from hazelcast queue

    Stack Overflow | 8 months ago | gstackoverflow
    java.lang.NullPointerException: Object is null
  2. 0

    Null value on compute remove

    GitHub | 1 year ago | ffortier
    java.lang.NullPointerException: Null value is not allowed!
  3. Speed up your debug routine!

    Automated exception search integrated into your IDE

  4. 0

    As reported in https://community.igniterealtime.org/thread/59266, the following steps leads to NullPointer- and ClassCasting exceptions. # Send a message from client A (connected to node A) to client B (connected to node B) # Client B receives the message # Send a SIGTERM to the OpenFire process running on node A # Restart OpenFire on node A # Reconnect client A # Send a message from client A (connected to node A) to client B (connected to node B) # Client B receives the message # Send a SIGTERM to the OpenFire process running on node B # Restart OpenFire on node B # Reconnect client B # Send a message from client A (connected to node A) to client B (connected to node B) Logs from Node B: {code}Logs from node B: 2016.08.23 07:24:12 INFO [TaskEngine-pool-2]: com.hazelcast.core.LifecycleService - [10.12.3.44]:5701 [openfire] [3.5.1] Address[10.12.3.44]:5701 is STARTED 2016.08.23 07:24:12 WARN [ClusterManager events dispatcher]: org.jivesoftware.openfire.cluster.ClusterManager - Null value is not allowed! java.lang.NullPointerException: Null value is not allowed! at com.hazelcast.util.Preconditions.checkNotNull(Preconditions.java:41) at com.hazelcast.map.impl.proxy.MapProxySupport.putAllInternal(MapProxySupport.java:862) at com.hazelcast.map.impl.proxy.MapProxyImpl.putAll(MapProxyImpl.java:309) at org.jivesoftware.openfire.plugin.util.cache.ClusteredCache.putAll(ClusteredCache.java:129) at org.jivesoftware.util.cache.CacheFactory.joinedCluster(CacheFactory.java:738) at org.jivesoftware.openfire.cluster.ClusterManager$2.run(ClusterManager.java:95) 2016.08.23 07:24:35 ERROR [socket_c2s-thread-3]: org.jivesoftware.openfire.spi.RoutingTableImpl - Primary packet routing failed java.lang.ClassCastException: org.jivesoftware.util.cache.DefaultCache cannot be cast to org.jivesoftware.openfire.plugin.util.cache.ClusteredCache at org.jivesoftware.openfire.plugin.util.cache.ClusteredCacheFactory.getLock(ClusteredCacheFactory.java:444) at org.jivesoftware.util.cache.CacheFactory.getLock(CacheFactory.java:415) at org.jivesoftware.openfire.spi.RoutingTableImpl.getRoutes(RoutingTableImpl.java:823) at org.jivesoftware.openfire.spi.RoutingTableImpl.routeToBareJID(RoutingTableImpl.java:539) at org.jivesoftware.openfire.spi.RoutingTableImpl.routeToLocalDomain(RoutingTableImpl.java:308) at org.jivesoftware.openfire.spi.RoutingTableImpl.routePacket(RoutingTableImpl.java:244) at org.jivesoftware.openfire.MessageRouter.route(MessageRouter.java:139) at org.jivesoftware.openfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:83) at org.jivesoftware.openfire.net.StanzaHandler.processMessage(StanzaHandler.java:378) at org.jivesoftware.openfire.net.ClientStanzaHandler.processMessage(ClientStanzaHandler.java:113) at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:232) at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:199) at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandler.java:181) at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:690) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47) at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765) at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:109) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47) at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765) at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:407) at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:236) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47) at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765) at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:74) at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63) at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:769) at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:761) at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:703) at java.lang.Thread.run(Thread.java:745) 2016.08.23 07:24:35 ERROR [socket_c2s-thread-3]: org.jivesoftware.openfire.nio.ConnectionHandler - Closing connection due to error while processing message: <message id="b10f9e39-4e5f-413f-9b13-2e5463a5b09d" to="user20@xmpp" type="chat"><body>bar</body></message>{code}

    JIRA | 4 months ago | Guus der Kinderen
    java.lang.NullPointerException: Null value is not allowed!
  5. 0

    As reported in https://community.igniterealtime.org/thread/59266, the following steps leads to NullPointer- and ClassCasting exceptions. # Send a message from client A (connected to node A) to client B (connected to node B) # Client B receives the message # Send a SIGTERM to the OpenFire process running on node A # Restart OpenFire on node A # Reconnect client A # Send a message from client A (connected to node A) to client B (connected to node B) # Client B receives the message # Send a SIGTERM to the OpenFire process running on node B # Restart OpenFire on node B # Reconnect client B # Send a message from client A (connected to node A) to client B (connected to node B) Logs from Node B: {code}Logs from node B: 2016.08.23 07:24:12 INFO [TaskEngine-pool-2]: com.hazelcast.core.LifecycleService - [10.12.3.44]:5701 [openfire] [3.5.1] Address[10.12.3.44]:5701 is STARTED 2016.08.23 07:24:12 WARN [ClusterManager events dispatcher]: org.jivesoftware.openfire.cluster.ClusterManager - Null value is not allowed! java.lang.NullPointerException: Null value is not allowed! at com.hazelcast.util.Preconditions.checkNotNull(Preconditions.java:41) at com.hazelcast.map.impl.proxy.MapProxySupport.putAllInternal(MapProxySupport.java:862) at com.hazelcast.map.impl.proxy.MapProxyImpl.putAll(MapProxyImpl.java:309) at org.jivesoftware.openfire.plugin.util.cache.ClusteredCache.putAll(ClusteredCache.java:129) at org.jivesoftware.util.cache.CacheFactory.joinedCluster(CacheFactory.java:738) at org.jivesoftware.openfire.cluster.ClusterManager$2.run(ClusterManager.java:95) 2016.08.23 07:24:35 ERROR [socket_c2s-thread-3]: org.jivesoftware.openfire.spi.RoutingTableImpl - Primary packet routing failed java.lang.ClassCastException: org.jivesoftware.util.cache.DefaultCache cannot be cast to org.jivesoftware.openfire.plugin.util.cache.ClusteredCache at org.jivesoftware.openfire.plugin.util.cache.ClusteredCacheFactory.getLock(ClusteredCacheFactory.java:444) at org.jivesoftware.util.cache.CacheFactory.getLock(CacheFactory.java:415) at org.jivesoftware.openfire.spi.RoutingTableImpl.getRoutes(RoutingTableImpl.java:823) at org.jivesoftware.openfire.spi.RoutingTableImpl.routeToBareJID(RoutingTableImpl.java:539) at org.jivesoftware.openfire.spi.RoutingTableImpl.routeToLocalDomain(RoutingTableImpl.java:308) at org.jivesoftware.openfire.spi.RoutingTableImpl.routePacket(RoutingTableImpl.java:244) at org.jivesoftware.openfire.MessageRouter.route(MessageRouter.java:139) at org.jivesoftware.openfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:83) at org.jivesoftware.openfire.net.StanzaHandler.processMessage(StanzaHandler.java:378) at org.jivesoftware.openfire.net.ClientStanzaHandler.processMessage(ClientStanzaHandler.java:113) at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:232) at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:199) at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandler.java:181) at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:690) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47) at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765) at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:109) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47) at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765) at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:407) at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:236) at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:417) at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:47) at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:765) at org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:74) at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63) at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:769) at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:761) at org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:703) at java.lang.Thread.run(Thread.java:745) 2016.08.23 07:24:35 ERROR [socket_c2s-thread-3]: org.jivesoftware.openfire.nio.ConnectionHandler - Closing connection due to error while processing message: <message id="b10f9e39-4e5f-413f-9b13-2e5463a5b09d" to="user20@xmpp" type="chat"><body>bar</body></message>{code}

    Jive Software Open Source | 4 months ago | Guus der Kinderen
    java.lang.NullPointerException: Null value is not allowed!

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

      list cannot be null

      at com.hazelcast.util.Preconditions.checkNotNull()
    2. hazelcast
      Preconditions.checkNotNull
      1. com.hazelcast.util.Preconditions.checkNotNull(Preconditions.java:59)
      1 frame
    3. com.hazelcast.util
      InflatableSet.newBuilder
      1. com.hazelcast.util.collection.InflatableSet$Builder.<init>(InflatableSet.java:262)
      2. com.hazelcast.util.collection.InflatableSet$Builder.<init>(InflatableSet.java:254)
      3. com.hazelcast.util.collection.InflatableSet.newBuilder(InflatableSet.java:104)
      3 frames
    4. com.hazelcast.map
      PartitionWideEntryWithPredicateOperationFactory.createPartitionOperation
      1. com.hazelcast.map.impl.operation.PartitionWideEntryWithPredicateOperationFactory.createPartitionOperation(PartitionWideEntryWithPredicateOperationFactory.java:109)
      1 frame
    5. com.hazelcast.spi
      OperationServiceImpl.invokeOnAllPartitions
      1. com.hazelcast.spi.impl.operationservice.impl.InvokeOnPartitions.retryFailedPartitions(InvokeOnPartitions.java:128)
      2. com.hazelcast.spi.impl.operationservice.impl.InvokeOnPartitions.invoke(InvokeOnPartitions.java:70)
      3. com.hazelcast.spi.impl.operationservice.impl.OperationServiceImpl.invokeOnAllPartitions(OperationServiceImpl.java:359)
      3 frames
    6. com.hazelcast.map
      MapProxyImpl.executeOnEntries
      1. com.hazelcast.map.impl.proxy.MapProxySupport.executeOnEntriesInternal(MapProxySupport.java:1051)
      2. com.hazelcast.map.impl.proxy.MapProxyImpl.executeOnEntriesInternal(MapProxyImpl.java:82)
      3. com.hazelcast.map.impl.proxy.MapProxyImpl.executeOnEntries(MapProxyImpl.java:730)
      3 frames
    7. Hazelcast
      EntryProcessorBouncingNodesTest.testEntryProcessorWhileTwoNodesAreBouncing_withPredicate
      1. com.hazelcast.map.EntryProcessorBouncingNodesTest.testEntryProcessorWhileTwoNodesAreBouncing(EntryProcessorBouncingNodesTest.java:130)
      2. com.hazelcast.map.EntryProcessorBouncingNodesTest.testEntryProcessorWhileTwoNodesAreBouncing_withPredicate(EntryProcessorBouncingNodesTest.java:90)
      2 frames