Paul Rogers created IMPALA-7993:
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Summary: Fix build and scripts to be more useful to developers
Key: IMPALA-7993
URL: https://issues.apache.org/jira/browse/IMPALA-7993
Project: IMPALA
Issue Type: Improvement
Components: Infrastructure
Affects Versions: Impala 3.1.0
Reporter: Paul Rogers
Got a build failure on a Gerrit patch. The tidy log.txt file is 300 MB in size
with 3.4 million lines. It contains 87,535 warnings identified by a "~~~"
squiggle, 122 occurrences of the word "failure", 6947 occurrences of "fail",
and 35,503 occurrences of the word "error." The bottom of the file states "7988
warnings generated." Indeed, there are 1077 occurrences of the line "warnings
generated" in the build.
It is not realistic for a human to plow through this stuff looking for the one
obscure pattern that indicates and actual problem.
This build is unusually large and verbose for an open source project.
Some improvements:
* Separate out normal "narration" (echoing of shell commands) from actual error
output.
* Fix the code to eliminate warnings, or turn off the warnings.
* Turn off the extra checks which we just ignore.
* Create a script that will grep through the file looking for the actual
failures, ignoring the "expected" errors and failures, identifying the real
ones.
It also appears that the scripts build Javadoc (can't tell for what.) Impala is
famous for its highly unorthodox use of Javadoc comments; the generate Javadoc
will be gibberish. Either fix the comments to be Java-doc compliant, or stop
building Javadoc.
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