java.lang.NullPointerException: null

JIRA | Michael Smith | 4 months ago
  1. 0

    Testing conducted via https://github.com/james-stocks/pxp-agent/blob/fire_and_forget/acceptance/tests/send_undeliverable_messages.rb. When messages are delivered over an extended period, with the client frequently connecting and disconnecting, we see occasional messages about {code} 2016-08-04 06:56:11,039 INFO [qtp773892839-21] [o.s.j.c.CachingConnectionFactory] Established shared JMS Connection: ActiveMQConnection {id=ID:avs2m7wxujv5hro-51257-1470317380794-659:1,clientId=null,started=false} 2016-08-04 06:56:11,041 TRACE [DefaultMessageListenerContainer-1] [p.p.b.activemq] Consuming message b38cd34d-dca3-42b8-be8c-d2ba0d7a0dd2 for ["pcp://test-development/ruby-pcp-client-12097"] from accept 2016-08-04 06:56:11,042 TRACE [DefaultMessageListenerContainer-1] [p.p.b.activemq] Delivering message b38cd34d-dca3-42b8-be8c-d2ba0d7a0dd2 for pcp://test-development/ruby-pcp-client-12097 to delivery queue 2016-08-04 06:56:11,042 INFO [DefaultMessageListenerContainer-1] [o.s.j.c.CachingConnectionFactory] Established shared JMS Connection: ActiveMQConnection {id=ID:avs2m7wxujv5hro-51257-1470317380794-661:1,clientId=null,started=false} 2016-08-04 06:56:11,045 ERROR [DefaultMessageListenerContainer-1] [p.p.b.core] Error in deliver-message java.lang.NullPointerException: null at puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30229$fn__30230.invoke(jetty9_websockets.clj:31) ~[na:na] at puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30206$fn__30207$G__30197__30214.invoke(jetty9_websockets.clj:21) ~[na:na] at puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30233$fn__30234.invoke(jetty9_websockets.clj:27) ~[na:na] at puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30206$fn__30207$G__30197__30214.invoke(jetty9_websockets.clj:21) ~[na:na] at puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30237$fn__30250.invoke(jetty9_websockets.clj:40) ~[na:na] at puppetlabs.experimental.websockets.client$eval15968$fn__15980$G__15955__15987.invoke(client.clj:3) ~[na:na] {code} This appears to happen due to the pattern {code} 2016-08-04 06:56:11,033 DEBUG [DefaultMessageListenerContainer-1] [p.p.b.core] Delivering c456644e-9e61-4d07-ab76-ab15abb91117 for pcp://test-development/ruby-pcp-client-12097 to test-development at /10.32.162.203:50036 2016-08-04 06:56:11,034 DEBUG [qtp773892839-17] [p.p.b.core] client test-development disconnected from /10.32.162.203:50036 1000 ... 2016-08-04 06:56:11,045 ERROR [DefaultMessageListenerContainer-1] [p.p.b.core] Error in deliver-message ... 2016-08-04 06:56:11,046 TRACE [DefaultMessageListenerContainer-1] [p.p.b.core] Failed to deliver c456644e-9e61-4d07-ab76-ab15abb91117 for pcp://test-development/ruby-pcp-client-12097: java.lang.NullPointerException {code} Full log at https://gist.github.com/james-stocks/e7c850fab49074c66bd201ddc9ac59ce. I believe this is normal behavior: in that occasionally the broker will attempt to deliver a message to a client just as it disconnects, and fail. The broker takes the correct action - reschedule the message for delivery later - but the ERROR report makes it appear to be abnormal.

    JIRA | 4 months ago | Michael Smith
    java.lang.NullPointerException: null
  2. 0

    HQL Exception (org.hibernate.dialect.Dialect$3)

    Stack Overflow | 4 years ago | Hari
    java.lang.NullPointerException: null
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    Error loading model properties in JPA on play 2.0.3

    Stack Overflow | 4 years ago | Chappies
    java.lang.NullPointerException: null
  5. 0

    Why lift can't find my "db.properties"

    Stack Overflow | 5 years ago | Freewind
    java.lang.NullPointerException: null

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    Root Cause Analysis

    1. java.lang.NullPointerException

      null

      at puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30229$fn__30230.invoke()
    2. puppetlabs.trapperkeeper.services
      jetty9_websockets$eval30237$fn__30250.invoke
      1. puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30229$fn__30230.invoke(jetty9_websockets.clj:31)[na:na]
      2. puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30206$fn__30207$G__30197__30214.invoke(jetty9_websockets.clj:21)[na:na]
      3. puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30233$fn__30234.invoke(jetty9_websockets.clj:27)[na:na]
      4. puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30206$fn__30207$G__30197__30214.invoke(jetty9_websockets.clj:21)[na:na]
      5. puppetlabs.trapperkeeper.services.webserver.experimental.jetty9_websockets$eval30237$fn__30250.invoke(jetty9_websockets.clj:40)[na:na]
      5 frames
    3. puppetlabs.experimental.websockets
      client$eval15968$fn__15980$G__15955__15987.invoke
      1. puppetlabs.experimental.websockets.client$eval15968$fn__15980$G__15955__15987.invoke(client.clj:3)[na:na]
      1 frame