java.lang.NullPointerException

Server Fault | Oded Peer | 3 years ago
  1. 0

    NullPointerException during datastax agent startup

    Server Fault | 3 years ago | Oded Peer
    java.lang.NullPointerException
  2. 0

    figure out how to identify bad HDF files

    GitHub | 4 years ago | robinkraft
    cascading.pipe.OperatorException: [07bfb653-9e12-4728-9ba...][sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)] operator Each failed executing operation
  3. 0

    `lein deps :tree` pedantic NPEs

    GitHub | 3 years ago | arohner
    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at clojure.lang.Reflector.invokeNoArgInstanceMember()
    2. Clojure
      Reflector.invokeNoArgInstanceMember
      1. clojure.lang.Reflector.invokeNoArgInstanceMember(Reflector.java:296)
      1 frame
    3. opsagent.util
      cassandra_util$get_cassandra_conf.invoke
      1. opsagent.util.cassandra_util$find_base_dse_dir.invoke(cassandra_util.clj:45)
      2. opsagent.util.cassandra_util$get_base_dse_dir.invoke(cassandra_util.clj:68)
      3. opsagent.util.cassandra_util$tar_conf_location.invoke(cassandra_util.clj:87)
      4. opsagent.util.cassandra_util$cassandra_conf_location.invoke(cassandra_util.clj:97)
      5. opsagent.util.cassandra_util$get_cassandra_conf.invoke(cassandra_util.clj:130)
      5 frames
    4. opsagent
      opsagent$post_interface_startup.doInvoke
      1. opsagent.opsagent$create_thrift_conf_vars.invoke(opsagent.clj:52)
      2. opsagent.opsagent$post_interface_startup.doInvoke(opsagent.clj:95)
      2 frames
    5. Clojure
      RestFn.invoke
      1. clojure.lang.RestFn.invoke(RestFn.java:421)
      1 frame
    6. opsagent
      messaging$message_callback$fn__5192.invoke
      1. opsagent.conf$handle_new_conf.invoke(conf.clj:171)
      2. opsagent.messaging$message_callback$fn__5192.invoke(messaging.clj:30)
      2 frames
    7. opsagent.messaging.proxy$java
      Object$StompConnection$Listener$7f16bc72.onMessage
      1. opsagent.messaging.proxy$java.lang.Object$StompConnection$Listener$7f16bc72.onMessage(Unknown Source)
      1 frame
    8. JGroups
      StompConnection.run
      1. org.jgroups.client.StompConnection.notifyListeners(StompConnection.java:311)
      2. org.jgroups.client.StompConnection.run(StompConnection.java:261)
      2 frames