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Send Classpath Notification slowing down Eclipse [message #1824623] Fri, 17 April 2020 12:08 Go to next message
Ranganath Samudrala is currently offline Ranganath SamudralaFriend
Messages: 3
Registered: April 2020
Junior Member
Hello,
I have been using the below version for sometime on Mac:

Eclipse IDE for Java Developers
Version: 2019-03 (4.11.0)
Build id: 20190314-1200

The past few days, suddenly, I see the tool slow down and spinning the wheel. I see that the "Send Classpath Notification" task running repeatedly consuming a lot of CPUs.

What does "Send Classpath Notification" do? Where is it sending notification to? Can we turn it off / disable it? If so, how to do this?

thanks
Re: Send Classpath Notification slowing down Eclipse [message #1824988 is a reply to message #1824623] Fri, 17 April 2020 12:45 Go to previous messageGo to next message
Nitin Dahyabhai is currently offline Nitin DahyabhaiFriend
Messages: 3706
Registered: July 2009
Senior Member

Do you have any additional plug-ins installed, like STS4?

Nitin Dahyabhai
Eclipse Web Tools Platform
Re: Send Classpath Notification slowing down Eclipse [message #1826381 is a reply to message #1824988] Fri, 24 April 2020 08:16 Go to previous messageGo to next message
Ranganath Samudrala is currently offline Ranganath SamudralaFriend
Messages: 3
Registered: April 2020
Junior Member
I presume it has been installed by default. I did not install it explicitly.

After looking at this thread : https://marketplace.eclipse.org/content/spring-tools-4-aka-spring-tool-suite-4, I looked to the log file in the workspace and I see this error:

!ENTRY org.springframework.tooling.ls.eclipse.commons 4 0 2020-04-24 03:52:31.765
!MESSAGE
!STACK 0
java.lang.UnsupportedOperationException: No language server has registered to handle command 'sts4.classpath.XcpjnkLj'
at org.springframework.tooling.ls.eclipse.commons.LSP4ECommandExecutor.executeClientCommand(LSP4ECommandExecutor.java:42)
at org.springframework.tooling.jdt.ls.commons.classpath.SendClasspathNotificationsJob.flush(SendClasspathNotificationsJob.java:192)
at org.springframework.tooling.jdt.ls.commons.classpath.SendClasspathNotificationsJob.run(SendClasspathNotificationsJob.java:164)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Re: Send Classpath Notification slowing down Eclipse [message #1826382 is a reply to message #1826381] Fri, 24 April 2020 08:17 Go to previous message
Ranganath Samudrala is currently offline Ranganath SamudralaFriend
Messages: 3
Registered: April 2020
Junior Member
I reloaded Spring related sites under Preferences->Install/Update->Available Software Sites.
I also disabled language servers for Spring.
It seems calm right now. I do not see CPU running high, etc.

[Updated on: Fri, 24 April 2020 08:43]

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