We have the same problem, after updating to 0.92, some at startup:
2014-12-08T13:54:55.590+01:00 ERROR [MasterCacheWorkerThread] Error while
trying to work on MasterCache <org.graylog2.caches.DiskJournalCache.Output>.
java.lang.NullPointerException
at org.mapdb.Queues$SimpleQueue.peek(Queues.java:117)
at org.mapdb.Queues$SimpleQueue.isEmpty(Queues.java:287)
at
org.graylog2.caches.DiskJournalCache.isEmpty(DiskJournalCache.java:238)
at
org.graylog2.periodical.MasterCacheWorkerThread.work(MasterCacheWorkerThread.java:106)
at
org.graylog2.periodical.MasterCacheWorkerThread.access$200(MasterCacheWorkerThread.java:43)
at
org.graylog2.periodical.MasterCacheWorkerThread$2.run(MasterCacheWorkerThread.java:87)
at java.lang.Thread.run(Thread.java:745)
2014-12-08T13:54:57.101+01:00 ERROR [AbstractCacheWorkerThread] Exception
while working on cache:
java.lang.NullPointerException
at org.mapdb.Queues$SimpleQueue.poll(Queues.java:135)
at org.mapdb.Queues$SimpleQueue.drainTo(Queues.java:271)
at
org.graylog2.caches.DiskJournalCache.drainTo(DiskJournalCache.java:207)
at
org.graylog2.periodical.AbstractCacheWorkerThread.drainMessagesEnqueue(AbstractCacheWorkerThread.java:79)
at
org.graylog2.periodical.AbstractCacheWorkerThread.work(AbstractCacheWorkerThread.java:58)
at
org.graylog2.periodical.OutputCacheWorkerThread$1.run(OutputCacheWorkerThread.java:60)
at java.lang.Thread.run(Thread.java:745)
... but also a shorter one all the time, each few seconds:
2014-12-08T13:56:47.912+01:00 ERROR [MasterCacheWorkerThread] Error while
trying to work on MasterCache <org.graylog2.caches.DiskJournalCache.Output>.
java.lang.NullPointerException
2014-12-08T13:56:57.332+01:00 ERROR [MasterCacheWorkerThread] Error while
trying to work on MasterCache <org.graylog2.caches.DiskJournalCache.Output>.
java.lang.NullPointerException
2014-12-08T13:57:17.003+01:00 ERROR [AbstractCacheWorkerThread] Exception
while working on cache:
java.lang.NullPointerException
I already tried to delete the contents of that folder and restart the
graylog-server, but still the same.
Razvan
On Tuesday, December 2, 2014 11:44:53 AM UTC+1, Jochen Schalanda wrote:
>
> Hi Martin,
>
> please try deleting the files in your message_cache_spool_dir (see
> graylog2.conf).
>
>
> Cheers,
> Jochen
>
> On Tuesday, 2 December 2014 10:16:38 UTC+1, Martin René Mortensen wrote:
>>
>> After upgrading to 0.92 Im having troubles with
>> java.lang.NullPointerException in GL2 server logs. I have 3 graylog2
>> servers all reporting the same errors periodically.
>>
>> I'm getting these when starting:
>>
>> 2014-12-01T14:09:33.416+01:00 INFO [node] [node2] initialized
>> 2014-12-01T14:09:33.685+01:00 INFO [DiskJournalCache] Compacting
>> off-heap message cache database files (output-cache)
>> 2014-12-01T14:09:36.913+01:00 INFO [OutputBuffer] Initialized
>> OutputBuffer with ring size <8192> and wait strategy <BlockingWaitStrategy>.
>> 2014-12-01T14:09:36.982+01:00 INFO [Main] Graylog2 Server 0.92.0
>> (c1fe236) starting up. (JRE: Oracle Corporation 1.7.0_72 on Linux
>> 3.10.0-123.9.3.el7.x86_64)
>> 2014-12-01T14:09:37.034+01:00 INFO [PeriodicalsService] Starting 17
>> periodicals ...
>> 2014-12-01T14:09:37.038+01:00 INFO [PeriodicalsService] Not starting
>> [org.graylog2.periodical.TelemetryReporterThread] periodical. Not
>> configured to run on this node.
>> 2014-12-01T14:09:37.038+01:00 INFO [Periodicals] Starting
>> [org.graylog2.periodical.StreamThroughputCounterManagerThread] periodical
>> in [0s], polling every [1s].
>> 2014-12-01T14:09:37.039+01:00 INFO [Periodicals] Starting
>> [org.graylog2.periodical.InputCacheWorkerThread] periodical, running
>> forever.
>> 2014-12-01T14:09:37.039+01:00 INFO [PeriodicalsService] Not starting
>> [org.graylog2.periodical.IndexerClusterCheckerThread] periodical. Only
>> started on graylog2-server master nodes.
>> 2014-12-01T14:09:37.039+01:00 INFO [PeriodicalsService] Not starting
>> [org.graylog2.periodical.ClusterHealthCheckThread] periodical. Only started
>> on graylog2-server master nodes.
>> 2014-12-01T14:09:37.039+01:00 INFO [PeriodicalsService] Not starting
>> [org.graylog2.periodical.ContentPackLoaderPeriodical] periodical. Only
>> started on graylog2-server master nodes.
>> 2014-12-01T14:09:37.039+01:00 INFO [PeriodicalsService] Not starting
>> [org.graylog2.periodical.AlertScannerThread] periodical. Only started on
>> graylog2-server master nodes.
>> 2014-12-01T14:09:37.040+01:00 INFO [Periodicals] Starting
>> [org.graylog2.periodical.BatchedElasticSearchOutputFlushThread] periodical
>> in [0s], polling every [5s].
>> 2014-12-01T14:09:37.040+01:00 INFO [Periodicals] Starting
>> [org.graylog2.periodical.GarbageCollectionWarningThread] periodical,
>> running forever.
>> 2014-12-01T14:09:37.041+01:00 INFO [PeriodicalsService] Not starting
>> [org.graylog2.periodical.IndexRotationThread] periodical. Only started on
>> graylog2-server master nodes.
>> 2014-12-01T14:09:37.041+01:00 INFO [Periodicals] Starting
>> [org.graylog2.periodical.ThroughputCounterManagerThread] periodical in
>> [0s], polling every [1s].
>> 2014-12-01T14:09:37.042+01:00 INFO [Periodicals] Starting
>> [org.graylog2.periodical.MasterCacheWorkerThread] periodical, running
>> forever.
>> 2014-12-01T14:09:37.043+01:00 INFO [Periodicals] Starting
>> [org.graylog2.periodical.DeadLetterThread] periodical, running forever.
>> 2014-12-01T14:09:37.044+01:00 INFO [PeriodicalsService] Not starting
>> [org.graylog2.periodical.VersionCheckThread] periodical. Only started on
>> graylog2-server master nodes.
>> 2014-12-01T14:09:37.044+01:00 INFO [PeriodicalsService] Not starting
>> [org.graylog2.periodical.IndexRetentionThread] periodical. Only started on
>> graylog2-server master nodes.
>> 2014-12-01T14:09:37.044+01:00 INFO [Periodicals] Starting
>> [org.graylog2.periodical.OutputCacheWorkerThread] periodical, running
>> forever.
>> 2014-12-01T14:09:37.044+01:00 INFO [Periodicals] Starting
>> [org.graylog2.periodical.NodePingThread] periodical in [0s], polling every
>> [1s].
>> 2014-12-01T14:09:37.050+01:00 INFO [node] [node2] starting ...
>> 2014-12-01T14:09:37.270+01:00 INFO [transport] [node2] bound_address
>> {inet[/0:0:0:0:0:0:0:0:9350]}, publish_address {inet[/1.1.1.107:9350]}
>> 2014-12-01T14:09:37.279+01:00 ERROR [MasterCacheWorkerThread] Error while
>> trying to work on MasterCache <org.graylog2.caches.DiskJournalCache.Output>.
>> java.lang.NullPointerException
>> at org.mapdb.Queues$SimpleQueue.peek(Queues.java:117)
>> at org.mapdb.Queues$SimpleQueue.isEmpty(Queues.java:287)
>> at
>> org.graylog2.caches.DiskJournalCache.isEmpty(DiskJournalCache.java:238)
>> at
>> org.graylog2.periodical.MasterCacheWorkerThread.work(MasterCacheWorkerThread.java:102)
>> at
>> org.graylog2.periodical.MasterCacheWorkerThread.access$200(MasterCacheWorkerThread.java:43)
>> at
>> org.graylog2.periodical.MasterCacheWorkerThread$2.run(MasterCacheWorkerThread.java:87)
>> at java.lang.Thread.run(Thread.java:745)
>> 2014-12-01T14:09:37.305+01:00 INFO [discovery] [node2]
>> spocklog/zvu6TQifTVe0eBV_h9NU0A
>> 2014-12-01T14:09:38.497+01:00 ERROR [MasterCacheWorkerThread] Error while
>> trying to work on MasterCache <org.graylog2.caches.DiskJournalCache.Output>.
>> java.lang.NullPointerException
>> at org.mapdb.Queues$SimpleQueue.peek(Queues.java:117)
>> at org.mapdb.Queues$SimpleQueue.isEmpty(Queues.java:287)
>> at
>> org.graylog2.caches.DiskJournalCache.isEmpty(DiskJournalCache.java:238)
>> at
>> org.graylog2.periodical.MasterCacheWorkerThread.work(MasterCacheWorkerThread.java:102)
>> at
>> org.graylog2.periodical.MasterCacheWorkerThread.access$200(MasterCacheWorkerThread.java:43)
>> at
>> org.graylog2.periodical.MasterCacheWorkerThread$2.run(MasterCacheWorkerThread.java:87)
>> at java.lang.Thread.run(Thread.java:745)
>> 2014-12-01T14:09:38.763+01:00 INFO [KieRepositoryImpl] KieModule was
>> added:MemoryKieModule[ ReleaseId=org.graylog2:dynamic-rules:0]
>> 2014-12-01T14:09:38.852+01:00 INFO [KieRepositoryImpl] Adding KieModule
>> from resource :[ByteArrayResource resource=[B@5da78d54]
>> 2014-12-01T14:09:38.961+01:00 INFO [KieRepositoryImpl] KieModule was
>> added:MemoryKieModule[ ReleaseId=org.graylog2:dynamic-rules:0]
>> 2014-12-01T14:09:39.475+01:00 WARN [BatchedElasticSearchOutput] Clearing
>> buffer (5000 messages) because the Elasticsearch cluster is down.
>> 2014-12-01T14:09:40.179+01:00 WARN [BatchedElasticSearchOutput] Clearing
>> buffer (5000 messages) because the Elasticsearch cluster is down.
>> 2014-12-01T14:09:40.313+01:00 WARN [discovery] [node2] waited for 3s and
>> no initial state was set by the discovery
>> 2014-12-01T14:09:40.315+01:00 INFO [node] [node2] started
>>
>>
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