Sree Vaddi created STORM-2418:
---------------------------------
Summary: add proper log message on metrics server fails/absent
Key: STORM-2418
URL: https://issues.apache.org/jira/browse/STORM-2418
Project: Apache Storm
Issue Type: Bug
Components: storm-metrics, storm-opentsdb
Affects Versions: 0.10.0
Environment: storm 0.10.0
Reporter: Sree Vaddi
my metrics consumer writes to opentsdb server.
when this server went down, i see the following error message in my storm jobs.
which is very misleading.
create a ticket, so we can address this in future versions better.
{code:language=java}
2017-03-16 01:22:43.648 b.s.util [ERROR] Async loop died!
java.lang.RuntimeException: java.lang.ClassCastException: java.lang.Object
cannot be cast to java.lang.Iterable
at
backtype.storm.utils.DisruptorQueue.consumeBatchToCursor(DisruptorQueue.java:135)
~[storm-core-0.10.0.jar:0.10.0]
at
backtype.storm.utils.DisruptorQueue.consumeBatchWhenAvailable(DisruptorQueue.java:106)
~[storm-core-0.10.0.jar:0.10.0]
at
backtype.storm.disruptor$consume_batch_when_available.invoke(disruptor.clj:80)
~[storm-core-0.10.0.jar:0.10.0]
at
backtype.storm.daemon.executor$fn__5694$fn__5707$fn__5758.invoke(executor.clj:819)
~[storm-core-0.10.0.jar:0.10.0]
at backtype.storm.util$async_loop$fn__545.invoke(util.clj:479)
[storm-core-0.10.0.jar:0.10.0]
at clojure.lang.AFn.run(AFn.java:22) [clojure-1.6.0.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45]
Caused by: java.lang.ClassCastException: java.lang.Object cannot be cast to
java.lang.Iterable
at backtype.storm.util$get_iterator.invoke(util.clj:929)
~[storm-core-0.10.0.jar:0.10.0]
at
backtype.storm.daemon.executor$mk_task_receiver$fn__5615.invoke(executor.clj:432)
~[storm-core-0.10.0.jar:0.10.0]
at
backtype.storm.disruptor$clojure_handler$reify__5189.onEvent(disruptor.clj:58)
~[storm-core-0.10.0.jar:0.10.0]
at
backtype.storm.utils.DisruptorQueue.consumeBatchToCursor(DisruptorQueue.java:127)
~[storm-core-0.10.0.jar:0.10.0]
... 6 more
{code}
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