Lars Bruun-Hansen created NETBEANS-5592:
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Summary: Output Window is extremely slow for Surefire tests (IDEA
is 20x faster)
Key: NETBEANS-5592
URL: https://issues.apache.org/jira/browse/NETBEANS-5592
Project: NetBeans
Issue Type: Bug
Components: platform - Output Window
Affects Versions: 12.1
Reporter: Lars Bruun-Hansen
Attachments: surefire-massive-output-test.zip
For show casing the problem I've created a minimal example (attached). It
simply prints 10,000 lines to {{stdout}}.
When the sample application is executed it performs well in both NetBeans IDE
and IntelliJ IDEA: The "Output Window" is able to consume the messages at a
very rapid pace. (in fact, dare I say, NetBeans IDE is perhaps a little bit
faster than IntelliJ IDEA).
However, when the same is executed as a JUnit 5 test using Maven Surefire
Plugin it performs extremely poorly in NetBeans IDE while IntelliJ IDEA
exhibits same behavior as in the non-test case, meaning it is just as fast.
Below are executions of {{mvn clean install}} from within the two IDEs:
*NetBeans IDE:*
{code:java}
------------------------------------------------------------------------
BUILD SUCCESS
------------------------------------------------------------------------
Total time: 01:21 min
{code}
*IntelliJ IDEA*:
{noformat}
------------------------------------------------------------------------
BUILD SUCCESS
------------------------------------------------------------------------
Total time: 4.818 s
{noformat}
In fact, in the test scenario, NetBeans IDE is so slow to consume the messages
that one needs to increase the Surefire Plugin's property
{{forkedProcessExitTimeoutInSeconds}} from 30s to a lot more in order to avoid
that Surefire will kill its forked process before all messages has been
forwarded into the IDE. (try removing the setting from the POM and see what
happens)
The reason why I'm logging this in the NetBeans bug tracker is that it seems to
be specific to NetBeans IDE.
I've played around with various Surefire settings, such as {{forkCount = 0}} in
order to disable forking. However, to no avail.
My tests are on Windows - in case it matters.
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