Jungtaek Lim created STORM-2067:
-----------------------------------
Summary: "array element type mismatch" from compute-executors in
nimbus.clj
Key: STORM-2067
URL: https://issues.apache.org/jira/browse/STORM-2067
Project: Apache Storm
Issue Type: Bug
Components: storm-core
Reporter: Jungtaek Lim
Assignee: Jungtaek Lim
In some scenarios, Nimbus throws "java.lang.IllegalArgumentException: array
element type mismatch".
{noformat}
08:49:35.321 [timer] ERROR o.a.s.d.nimbus - Error when processing event
java.lang.IllegalArgumentException: array element type mismatch
at java.lang.reflect.Array.set(Native Method) ~[?:1.8.0_66]
at clojure.lang.RT.seqToTypedArray(RT.java:1719) ~[clojure-1.7.0.jar:?]
at clojure.lang.RT.seqToTypedArray(RT.java:1692) ~[clojure-1.7.0.jar:?]
at clojure.core$into_array.invoke(core.clj:3319) ~[clojure-1.7.0.jar:?]
at
org.apache.storm.daemon.nimbus$compute_executors$fn__4307.doInvoke(nimbus.clj:645)
~[classes/:?]
at clojure.lang.RestFn.invoke(RestFn.java:408) ~[clojure-1.7.0.jar:?]
at
org.apache.storm.daemon.nimbus$compute_executors.invoke(nimbus.clj:645)
~[classes/:?]
at
org.apache.storm.daemon.nimbus$compute_executor__GT_component.invoke(nimbus.clj:655)
~[classes/:?]
at
org.apache.storm.daemon.nimbus$read_topology_details.invoke(nimbus.clj:565)
~[classes/:?]
at
org.apache.storm.daemon.nimbus$mk_assignments$iter__4668__4672$fn__4673.invoke(nimbus.clj:967)
~[classes/:?]
at clojure.lang.LazySeq.sval(LazySeq.java:40) ~[clojure-1.7.0.jar:?]
at clojure.lang.LazySeq.seq(LazySeq.java:49) ~[clojure-1.7.0.jar:?]
at clojure.lang.RT.seq(RT.java:507) ~[clojure-1.7.0.jar:?]
at clojure.core$seq__4128.invoke(core.clj:137) ~[clojure-1.7.0.jar:?]
at clojure.core.protocols$seq_reduce.invoke(protocols.clj:30)
~[clojure-1.7.0.jar:?]
at clojure.core.protocols$fn__6506.invoke(protocols.clj:101)
~[clojure-1.7.0.jar:?]
at
clojure.core.protocols$fn__6452$G__6447__6465.invoke(protocols.clj:13)
~[clojure-1.7.0.jar:?]
at clojure.core$reduce.invoke(core.clj:6519) ~[clojure-1.7.0.jar:?]
at clojure.core$into.invoke(core.clj:6600) ~[clojure-1.7.0.jar:?]
at
org.apache.storm.daemon.nimbus$mk_assignments.doInvoke(nimbus.clj:966)
~[classes/:?]
at clojure.lang.RestFn.invoke(RestFn.java:410) ~[clojure-1.7.0.jar:?]
at
org.apache.storm.daemon.nimbus$fn__5354$exec_fn__579__auto____5355$fn__5366$fn__5367.invoke(nimbus.clj:2409)
~[classes/:?]
at
org.apache.storm.daemon.nimbus$fn__5354$exec_fn__579__auto____5355$fn__5366.invoke(nimbus.clj:2408)
~[classes/:?]
at clojure.lang.AFn.run(AFn.java:22) ~[clojure-1.7.0.jar:?]
at org.apache.storm.StormTimer$1.run(StormTimer.java:190) ~[classes/:?]
at org.apache.storm.StormTimer$StormTimerTask.run(StormTimer.java:83)
[classes/:?]
{noformat}
The exception is thrown from into-array, which is called from below line:
{code}
((fn [ & maps ] (Utils/joinMaps (into-array (into [component->executors]
maps)))))
{code}
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