Joe McDonnell created IMPALA-10278:
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Summary: impalad_executor Docker container fails to find JniUtil
Key: IMPALA-10278
URL: https://issues.apache.org/jira/browse/IMPALA-10278
Project: IMPALA
Issue Type: Bug
Components: Frontend
Affects Versions: Impala 4.0
Reporter: Joe McDonnell
When testing with the impalad_executor Docker container, I ran into a
ClassNotFound on startup:
{noformat}
java.lang.NoClassDefFoundError: org/apache/impala/common/JniUtil
Caused by: java.lang.ClassNotFoundException: org.apache.impala.common.JniUtil
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
F1023 02:31:09.092646 1 init.cc:368] Failed to find JniUtil class.
. Impalad exiting.{noformat}
This may be related to the docker size optimizations from
https://issues.apache.org/jira/browse/IMPALA-10016 . JniUtil is something that
would come from the frontend jar, which is not included for the executor image
right now.
Using a small change that uses one coord_exec and two executors
([https://gerrit.cloudera.org/#/c/16637/]), this reproduces on the existing
docker job: [https://jenkins.impala.io/job/ubuntu-16.04-dockerised-tests/]
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