[jira] [Updated] (NETBEANS-238) Invoking code-complete in Maven projects is extremely slow
[
https://issues.apache.org/jira/browse/NETBEANS-238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ASF GitHub Bot updated NETBEANS-238:
Labels: pull-request-available (was: )
> Invoking code-complete in Maven projects is extremely slow
> --
>
> Key: NETBEANS-238
> URL: https://issues.apache.org/jira/browse/NETBEANS-238
> Project: NetBeans
> Issue Type: Bug
> Components: java - Editor
>Affects Versions: 9.0
> Environment: build 152
>Reporter: Gili
>Priority: Critical
> Labels: pull-request-available
> Attachments: NETBEANS-238-experiment.diff,
> SlowCodeCompleteAntAndMaven.zip, code-complete-profiler.npss,
> code-complete2.npss, messages.log
>
>
> Say I'm in a class that has a field {{singletonScope}} where this class is
> defined within the same Maven module.
> I type {{singletonScope.}} then wait for auto-complete to suggest possible
> methods. Code-complete takes roughly 10 seconds to come back.
> This is reproducible 100% of the time.
> Expected behavior: Code-complete should complete within 300ms or less.
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[jira] [Updated] (NETBEANS-238) Invoking code-complete in Maven projects is extremely slow
[
https://issues.apache.org/jira/browse/NETBEANS-238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gili updated NETBEANS-238:
--
Attachment: code-complete2.npss
[~jlahoda] I'm attaching a second IDE profiler dump for your review.
This is running on a patched IDE (using your diff). I went into an existing
class that implements an interface but did not implement a mandatory method. I
invoked CTRL+SPACE to get a list of implementable methods and code-complete
took 12-14 seconds to complete. I reproduced this multiple times by restarting
the IDE and repeating the steps in the same class. This profiler dump looks
different in that I cannot figure out who is consuming the time. Please let me
know if you figure it out.
> Invoking code-complete in Maven projects is extremely slow
> --
>
> Key: NETBEANS-238
> URL: https://issues.apache.org/jira/browse/NETBEANS-238
> Project: NetBeans
> Issue Type: Bug
> Components: java - Editor
>Affects Versions: 9.0
> Environment: build 152
>Reporter: Gili
>Priority: Critical
> Attachments: NETBEANS-238-experiment.diff,
> SlowCodeCompleteAntAndMaven.zip, code-complete-profiler.npss,
> code-complete2.npss, messages.log
>
>
> Say I'm in a class that has a field {{singletonScope}} where this class is
> defined within the same Maven module.
> I type {{singletonScope.}} then wait for auto-complete to suggest possible
> methods. Code-complete takes roughly 10 seconds to come back.
> This is reproducible 100% of the time.
> Expected behavior: Code-complete should complete within 300ms or less.
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[jira] [Updated] (NETBEANS-238) Invoking code-complete in Maven projects is extremely slow
[
https://issues.apache.org/jira/browse/NETBEANS-238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gili updated NETBEANS-238:
--
Attachment: messages.log
[~jlahoda] Regarding the diff, I am seeing the same directories getting scanned
over and over again (specifically, I am surprised the same entries show up
consecutively). Is this expected? I've attached messages.log for your review.
> Invoking code-complete in Maven projects is extremely slow
> --
>
> Key: NETBEANS-238
> URL: https://issues.apache.org/jira/browse/NETBEANS-238
> Project: NetBeans
> Issue Type: Bug
> Components: java - Editor
>Affects Versions: 9.0
> Environment: build 152
>Reporter: Gili
>Priority: Critical
> Attachments: NETBEANS-238-experiment.diff,
> SlowCodeCompleteAntAndMaven.zip, code-complete-profiler.npss, messages.log
>
>
> Say I'm in a class that has a field {{singletonScope}} where this class is
> defined within the same Maven module.
> I type {{singletonScope.}} then wait for auto-complete to suggest possible
> methods. Code-complete takes roughly 10 seconds to come back.
> This is reproducible 100% of the time.
> Expected behavior: Code-complete should complete within 300ms or less.
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[jira] [Updated] (NETBEANS-238) Invoking code-complete in Maven projects is extremely slow
[
https://issues.apache.org/jira/browse/NETBEANS-238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gili updated NETBEANS-238:
--
Attachment: code-complete-profiler.npss
[~GeertjanWielenga] I was going to say that I remember seeing this problem on
8.2 final but then I ran across
https://netbeans.org/bugzilla/show_bug.cgi?id=270632
Sure enough (I just checked) the problem does *not* occur in 8.2 final but did
occur as far back as dev build 201705080001 (7 months after 8.2 was released).
Notice that this bug report contains a profiler snapshot. It's not clear
whether any committer ended up looking at it.
So good news: this is a regression so it should be fixable. I also don't
believe the problem is in Maven's end (because it is a regression, and because
of what I'm about to share below). It should be possible to undo the damage,
once we figure out what changed.
I am attaching an updated IDE profiler dump for your review. This was collected
using Apache Netbeans build 152. It shows that the Editor parser waits 7
seconds to acquire a lock. The culprit seems to be a Thread called {{Inactive
RequestProcessor thread \[Was:Flush UI
Logs/org.netbeans.modules.uihandler.UIHandler$2WriteOut]}} that spends 5
seconds invoking {{File.list()}} which invokes a Win32-specific implementation.
It's not clear to me what files it is listing and whether this problem really
is Win32-specific.
I'm going to need help from one of the committers to proceed further (either
reproduce the problem on your end, under Windows, or give me ideas of what to
try next).
Thank you.
> Invoking code-complete in Maven projects is extremely slow
> --
>
> Key: NETBEANS-238
> URL: https://issues.apache.org/jira/browse/NETBEANS-238
> Project: NetBeans
> Issue Type: Bug
> Components: java - Editor
>Affects Versions: 9.0
> Environment: build 152
>Reporter: Gili
>Priority: Critical
> Attachments: SlowCodeCompleteAntAndMaven.zip,
> code-complete-profiler.npss
>
>
> Say I'm in a class that has a field {{singletonScope}} where this class is
> defined within the same Maven module.
> I type {{singletonScope.}} then wait for auto-complete to suggest possible
> methods. Code-complete takes roughly 10 seconds to come back.
> This is reproducible 100% of the time.
> Expected behavior: Code-complete should complete within 300ms or less.
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[jira] [Updated] (NETBEANS-238) Invoking code-complete in Maven projects is extremely slow
[
https://issues.apache.org/jira/browse/NETBEANS-238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gili updated NETBEANS-238:
--
Attachment: SlowCodeCompleteAntAndMaven.zip
Okay. Here is a concrete example with nb-javac enabled.
I created two projects. SlowCodeCompleteMaven, and SlowCodeCompleteAnt. They
contain identical classes.
In SlowCodeCompleteMaven, I place the caret inside MyClass after
`firstMethod()` and before the closing brace. I then hit CTRL+SPACE. The IDE
takes 7 seconds to respond. I get identical timing with nb-javac disabled.
If I perform the same operation for an Ant project, the response is
instantaneous.
I am attaching these projects to this issue. Please take a moment to confirm
whether you can reproduce the problem on your end. Thank you.
> Invoking code-complete in Maven projects is extremely slow
> --
>
> Key: NETBEANS-238
> URL: https://issues.apache.org/jira/browse/NETBEANS-238
> Project: NetBeans
> Issue Type: Bug
> Components: java - Editor
>Affects Versions: 9.0
> Environment: build 152
>Reporter: Gili
>Priority: Critical
> Attachments: SlowCodeCompleteAntAndMaven.zip
>
>
> Say I'm in a class that has a field {{singletonScope}} where this class is
> defined within the same Maven module.
> I type {{singletonScope.}} then wait for auto-complete to suggest possible
> methods. Code-complete takes roughly 10 seconds to come back.
> This is reproducible 100% of the time.
> Expected behavior: Code-complete should complete within 300ms or less.
--
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[jira] [Updated] (NETBEANS-238) Invoking code-complete in Maven projects is extremely slow
[
https://issues.apache.org/jira/browse/NETBEANS-238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Geertjan Wielenga updated NETBEANS-238:
---
Component/s: (was: cnd - Code Completion)
java - Editor
> Invoking code-complete in Maven projects is extremely slow
> --
>
> Key: NETBEANS-238
> URL: https://issues.apache.org/jira/browse/NETBEANS-238
> Project: NetBeans
> Issue Type: Bug
> Components: java - Editor
>Affects Versions: 9.0
> Environment: build 152
>Reporter: Gili
>Assignee: Gili
>Priority: Critical
>
> Say I'm in a class that has a field {{singletonScope}} where this class is
> defined within the same Maven module.
> I type {{singletonScope.}} then wait for auto-complete to suggest possible
> methods. Code-complete takes roughly 10 seconds to come back.
> This is reproducible 100% of the time.
> Expected behavior: Code-complete should complete within 300ms or less.
--
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