Bug 569991 - Eclipse freezes system lemminx.XMLServerLauncher
Summary: Eclipse freezes system lemminx.XMLServerLauncher
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: IDE (show other bugs)
Version: 4.18   Edit
Hardware: PC Linux
: P3 major (vote)
Target Milestone: ---   Edit
Assignee: Platform-UI-Inbox CLA
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Reported: 2020-12-31 04:31 EST by Darko Palic CLA
Modified: 2022-03-16 06:02 EDT (History)
1 user (show)

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Description Darko Palic CLA 2020-12-31 04:31:55 EST
after migrating my previous workspace 
eclipse 2019-12 to 2020-12 my system started to slow down.

my steps:
- started eclipse with lombok.jar enabled
- used a previous workspace with about 45 projects (about 35 are maven)
- opened install new software
- during selection (not installation!) my system began to slow down

Used Eclipse JEE package from website

here the output of my "ps aux" which showed me that eclipse is getting crazy and starts tons of java processes

myuser+ 17944  2.9  0.2 11179172 84724 pts/11 Sl+  10:13   0:00 java -Dhttps.nonProxyHosts=localhost|127.0.0.1 -Dhttp.nonProxyHosts=localhost|127.0.0.1 -classpath /my/path/to/eclipse/eclipse/2020-12/configuration/org.eclipse.osgi/780/0/.cp/language-servers/server/org.eclipse.lemminx-uber.jar org.eclipse.lemminx.XMLServerLauncher
myuser+ 17962  3.0  0.0      0     0 pts/11   Zl+  10:13   0:00 [java] <defunct>
myuser+ 18000  3.0  0.2 11179172 84072 pts/11 Sl+  10:13   0:00 java -Dhttps.nonProxyHosts=localhost|127.0.0.1 -Dhttp.nonProxyHosts=localhost|127.0.0.1 -classpath /my/path/to/eclipse/eclipse/2020-12/configuration/org.eclipse.osgi/780/0/.cp/language-servers/server/org.eclipse.lemminx-uber.jar org.eclipse.lemminx.XMLServerLauncher


see attached the full output with over 100 java processes started
Comment 1 David Url CLA 2022-03-16 06:02:38 EDT
I experience the same issue with Eclipse IDE for Eclipse Committers 2021-12 on Windows.
When i kill the lemminx server process everything unfreezes, until some xml editor is opened again.