Dawid Weiss created LUCENE-5786:
-----------------------------------
Summary: Unflushed/ truncated events file (hung testing subprocess)
Key: LUCENE-5786
URL: https://issues.apache.org/jira/browse/LUCENE-5786
Project: Lucene - Core
Issue Type: Bug
Components: general/test
Reporter: Dawid Weiss
Assignee: Dawid Weiss
This has happened several times on Jenkins, typically on
SSLMigrationTest.testDistribSearch, but probably on other tests as well.
The symptom is: the test framework never terminates, it also reports an
incorrect (?) hung test.
The problem is that the actual forked JVM is hung on reading stdin, waiting for
the next test suite (no test thread is present); the master process is hung on
receiving data from the forked jvm (both the events file and stdout spill is
truncated in the middle of a test). The last output is:
{code}
[
"APPEND_STDERR",
{
"chunk": "612639 T30203 oasu.DefaultSolrCoreState.doRecovery Running
recovery - first canceling any ongoing recovery%0A"
}
]
[
"APPEND_STDERR"
{code}
Overall, it looks insane -- there are flushes after each test completes
(normally or not), there are tests *following* the one that last reported
output and before dynamic suites on stdin.
I have no idea. The best explanation is insane -- looks like the test thread
just died in the middle of executing Java code...
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