Benoit Tellier created JAMES-3656:
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Summary:
WithCassandraPassThroughBlobStoreMutableTest::oneHundredMailsShouldBeWellReceived
is unstable
Key: JAMES-3656
URL: https://issues.apache.org/jira/browse/JAMES-3656
Project: James Server
Issue Type: Bug
Components: JMAP
Affects Versions: 3.7.0
Reporter: Benoit Tellier
Assignee: Antoine Duprat
https://ci-builds.apache.org/job/james/job/ApacheJames/job/master/281/testReport/junit/org.apache.james/WithCassandraPassThroughBlobStoreMutableTest/oneHundredMailsShouldBeWellReceived_GuiceJamesServer_/
This master build did fail because JMAP filtering failed for one of the emails.
This test sends 100 emails to a single recipient. Single recipients have their
filters on a single Primary Key, and filters are managed by a Cassandra
Lightweight transaction (refer to JAMES-3435 for background regarding
LightWeight transactions in the project). Apparrently this is enough to create
contention!
{code:java}
05:02:05.113 [ERROR] o.a.j.m.i.ProcessorImpl - Exception calling
org.apache.james.jmap.mailet.filter.JMAPFiltering: Cassandra timeout during
read query at consistency SERIAL (1 responses were required but only 0 replica
responded)
com.datastax.driver.core.exceptions.ReadTimeoutException: Cassandra timeout
during read query at consistency SERIAL (1 responses were required but only 0
replica responded)
at
com.datastax.driver.core.exceptions.ReadTimeoutException.copy(ReadTimeoutException.java:124)
{code}
This results in one email not making it to its destination...
{code:java}
org.awaitility.core.ConditionTimeoutException:
Assertion condition defined as a lambda expression in
org.apache.james.utils.TestIMAPClient
expected: 100L
but was : 99L within 10 seconds.
{code}
There is little things we can do regarding LWT performance (since Cassandra
3.11.10 even SERIAL reads implies to commit an empty update!).
However, as 'filtering' is (in my opinion at least) not critical - my
phylosophy would be "don't loose emails - even if that means some features
could not be run...".
As such I propose to ignore errors arising upon JMAPFiltering - this would also
make the above mentionned test stable.
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