morrifeldman commented on issue #9467:
URL: https://github.com/apache/druid/issues/9467#issuecomment-645669920
I think I ran into the same failure when trying single_dim indexing. The
stack trace in my case was:
```
2020-06-17T22:22:58,075 ERROR [task-runner-0-priority-0]
org.apache.druid.indexing.overlord.SingleTaskBackgroundRunner - Exception while
r
unning
task[AbstractTask{id='partial_dimension_distribution_ltv_jnmjigoc_2020-06-17T22:22:29.979Z',
groupId='index_parallel_ltv_bppfkkka_2
020-06-17T22:22:24.488Z',
taskResource=TaskResource{availabilityGroup='partial_dimension_distribution_ltv_jnmjigoc_2020-06-17T22:22:29.979
Z', requiredCapacity=1}, dataSource='ltv',
context={forceTimeChunkLock=false}}]
java.lang.RuntimeException: java.io.IOException: No such file or directory
at
org.apache.druid.data.input.impl.InputEntityIteratingReader.lambda$read$0(InputEntityIteratingReader.java:81)
~[druid-core-0.18
.1-hadoop-2.9.2-af.jar:0.18.1-hadoop-2.9.2-af]
...
some lines omitted here
...
2020-06-17T22:22:58,079 INFO [task-runner-0-priority-0]
org.apache.druid.indexing.worker.executor.ExecutorLifecycle - Task completed
with status: {
"id" :
"partial_dimension_distribution_ltv_jnmjigoc_2020-06-17T22:22:29.979Z",
"status" : "FAILED",
"duration" : 100,
"errorMsg" : "java.lang.RuntimeException: java.io.IOException: No such
file or directory",
"location" : {
"host" : null,
"port" : -1,
"tlsPort" : -1
}
}
```
This issue is fixed in #10046 by creating the missing temporary directory.
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