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Error: The "java" server crashed 5 times in the last 3 minutes. The server will not be restarted #99

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milad2golnia opened this issue Jul 22, 2020 · 42 comments

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@milad2golnia
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milad2golnia commented Jul 22, 2020

I have coc.nvim installed and to install this extension, I just opened the vim and ran below command:
:CocInstall coc-java
the output is:
Install finished - ✓ coc-java Installed extension coc-java@1.4.11 at /home/milad/.config/coc/extensions/node_modules/coc-java
But when I open a .java file, I first see:
[coc.nvim] JDT Language Server starting at /home/path/to/my/directory
and after some seconds I face below Error:
[coc.nvim] The "java" server crashed 5 times in the last 3 minutes. The server will not be restarted.
I'm on linux and I can write java files in Visual Studio Code normally if it helps anyway.
some Information:
$ java -version
openjdk version "10.0.2" 2018-07-17 OpenJDK Runtime Environment (build 10.0.2+13) OpenJDK 64-Bit Server VM (build 10.0.2+13, mixed mode)
$ echo $JAVA_HOME
/usr/lib/jvm/java-11-openjdk

@pr4th4m
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pr4th4m commented Jul 25, 2020

Getting the same error
Screen Shot 2020-07-25 at 7 44 15 pm

@pr4th4m
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pr4th4m commented Jul 25, 2020

Error from server

!SESSION 2020-07-25 20:55:04.141 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.8.0_231
java.vendor=Oracle Corporation
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_AU
Command-line arguments:  -data /Users/nevagipr/.config/coc/extensions/coc-java-data/jdt_ws_d2b263b5c91808897dc46fc16462ce2e

!ENTRY org.eclipse.jdt.ls.core 4 0 2020-07-25 20:55:04.693
!MESSAGE FrameworkEvent ERROR
!STACK 0
org.osgi.framework.BundleException: Could not resolve module: org.eclipse.jdt.ls.core [47]
  Unresolved requirement: Require-Capability: osgi.ee; filter:="(&(osgi.ee=JavaSE)(version=11))"

	at org.eclipse.osgi.container.Module.start(Module.java:463)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel$2.run(ModuleContainer.java:1845)
	at org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor$1$1.execute(EquinoxContainerAdaptor.java:136)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1838)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1781)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1743)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1665)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)
	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:345)

!ENTRY org.eclipse.osgi 4 0 2020-07-25 20:55:04.708
!MESSAGE Bundle initial@reference:file:plugins/org.eclipse.jdt.ls.core_0.60.0.202007230941.jar was not resolved.

!ENTRY org.eclipse.jdt.ls.core 2 0 2020-07-25 20:55:04.716
!MESSAGE Could not resolve module: org.eclipse.jdt.ls.core [47]
  Unresolved requirement: Require-Capability: osgi.ee; filter:="(&(osgi.ee=JavaSE)(version=11))"


!ENTRY org.eclipse.osgi 4 0 2020-07-25 20:55:04.716
!MESSAGE Application error
!STACK 1
java.lang.RuntimeException: Application "org.eclipse.jdt.ls.core.id1" could not be found in the registry. The applications available are: org.eclipse.ant.core.antRunner, org.eclipse.equinox.app.error, org.eclipse.jdt.apt.core.aptBuild, org.eclipse.jdt.core.JavaIndexer.
	at org.eclipse.equinox.internal.app.EclipseAppContainer.startDefaultApp(EclipseAppContainer.java:252)
	at org.eclipse.equinox.internal.app.MainApplicationLauncher.run(MainApplicationLauncher.java:33)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1447)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1420)

@pr4th4m
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pr4th4m commented Jul 25, 2020

Version 57 of JDT Lang Sever works fine
https://download.eclipse.org/jdtls/milestones/0.57.0/

Quick hack for those who are facing this issue
Replace all directories/files in ~/.config/coc/extensions/coc-java-data/server with directories/files from above extracted JDT lang server tar.

@fcying
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fcying commented Aug 3, 2020

Getting the same error.

OS: debian 10
java -version
openjdk version "1.8.0_252"
OpenJDK Runtime Environment (AdoptOpenJDK)(build 1.8.0_252-b09)
OpenJDK 64-Bit Server VM (AdoptOpenJDK)(build 25.252-b09, mixed mode)

echo $JAVA_HOME
/usr/lib/jvm/adoptopenjdk-8-hotspot-amd64

use Version 57 of JDT Lang Sever not get error

@milad2golnia
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Author

Version 57 of JDT Lang Sever works fine
https://download.eclipse.org/jdtls/milestones/0.57.0/

Quick hack for those who are facing this issue
Replace all directories/files in ~/.config/coc/extensions/coc-java-data/server with directories/files from above extracted JDT lang server tar.

Thank you very much, It solved the problem simply and it works now like a charm:)

@nicobao
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nicobao commented Sep 2, 2020

Version 57 of JDT Lang Sever works fine
https://download.eclipse.org/jdtls/milestones/0.57.0/

Quick hack for those who are facing this issue
Replace all directories/files in ~/.config/coc/extensions/coc-java-data/server with directories/files from above extracted JDT lang server tar.

I just solved it the same way using the latest jdt lang server today, which is v0.9.0: https://download.eclipse.org/jdtls/milestones/0.9.0/
I suspect that using 0.57.0 will result in lower capabilities.
There seems to be a bug with the way coc-java is downloading the language server.

EDIT: I was wrong, 0.9.0 is from 2017. Download: "jdt-language-server-latest.tar.gz" from https://download.eclipse.org/jdtls/snapshots/?d in one way or another and run it with Java 11.

@mapperr
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mapperr commented Sep 3, 2020

Version 57 of JDT Lang Sever works fine
https://download.eclipse.org/jdtls/milestones/0.57.0/
Quick hack for those who are facing this issue
Replace all directories/files in ~/.config/coc/extensions/coc-java-data/server with directories/files from above extracted JDT lang server tar.

I just solved it the same way using the latest jdt lang server today, which is v0.9.0: https://download.eclipse.org/jdtls/milestones/0.9.0/
I suspect that using 0.57.0 will result in lower capabilities.
There seems to be a bug with the way coc-java is downloading the language server.

That worked for me too (I'm on archlinux with neovim and openjdk 1.8).
Thanks.

@luanmateuz
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Version 57 of JDT Lang Sever works fine
https://download.eclipse.org/jdtls/milestones/0.57.0/
Quick hack for those who are facing this issue
Replace all directories/files in ~/.config/coc/extensions/coc-java-data/server with directories/files from above extracted JDT lang server tar.

I just solved it the same way using the latest jdt lang server today, which is v0.9.0: https://download.eclipse.org/jdtls/milestones/0.9.0/
I suspect that using 0.57.0 will result in lower capabilities.
There seems to be a bug with the way coc-java is downloading the language server.

Thank you man, worked!
Ubuntu with Vim 8.2 and openjdk 1.8

@adworacz
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Adding another +1 - downloading the latest JDT from Eclipse's website and overwriting what coc's populating in the extensions directory is the fix.

So something's going wrong when coc.nvim populates that directory.

@nicobao
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nicobao commented Sep 11, 2020

Actually, the latest eclipse jdt lsp is NOT 0.9 but currently 0.61.0. That's the one I use now and it works perfectly fine, as long as you run it with Java 11. Sorry for the mess.
You can see that here: https://download.eclipse.org/jdtls/snapshots/?d
the date for release 0.9 is in 2017. The "jdt-language-server-latest.tar.gz" package is 0.61.0 according to "latest.txt", and the corresponding date is in 2020.
Also you can see that Eclipse CI latest build is 0.61.0 from master here: https://ci.eclipse.org/ls/job/jdt-ls-master/
@adworacz @hellowluan @mapperr you should probably migrate or I suspect you will experience lower capabilities.

I don't know what's the matter with these 0.7/0.8/0.9 versions, maybe they tried some advanced features and finally gave them up. You can search in Eclipse CI if you want, and in their Github repo, it's all public.

@mapperr
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mapperr commented Sep 11, 2020

Actually, the latest eclipse jdt lsp is NOT 0.9 but currently 0.61.0. That's the one I use now and it works perfectly fine, as long as you run it with Java 11. Sorry for the mess.

That's it. Confirmed all working with java 11.
Thanks!

@adworacz
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Indeed, thank you - I downloaded the latest *tar.gz from your link: https://ci.eclipse.org/ls/job/jdt-ls-master/

At the time of this writing, that's jdt-language-server-0.61.0-202009090949.tar.gz.

I overwrote all files/folders at ~/.config/coc/extensions/coc-java-data/server/ with the files and folders I extracted from said *.tar.gz file.

That, and running with Java 11 (as provided/setup by SDKMAN!), I'm off to the races with a working coc-java install. Tested it with an existing package, and it's certainly faster than the "0.9" version.

@zxm66
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zxm66 commented Sep 21, 2020

Thank you so much..

@fcying
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fcying commented Oct 16, 2020

I'm using AdoptOpenJDK build 1.8.0_265-b01, it only work with 0.57 version.

@jiftle
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jiftle commented Oct 27, 2020

me, too.
os: deepin V20
jdk:
openjdk version "1.8.0_212"
OpenJDK Runtime Environment (build 1.8.0_212-8u212-b01-1~deb9u1-b01)
OpenJDK 64-Bit Server VM (build 25.212-b01, mixed mode)

@jacksonludwig
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I had this issue as well just today and had to manually download the latest myself, which was 0.64, from https://ci.eclipse.org/ls/job/jdt-ls-master/

@CapSel
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CapSel commented Nov 12, 2020

I'm reproducing this problem every time I try to open ... any java file from our android project.

@nicobao
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nicobao commented Nov 12, 2020 via email

@jacksonludwig
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I have java 14 and this happens to me.

@luanmateuz
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enter the coc-java folder and replace the files with the eclipse-jdtls. https://download.eclipse.org/jdtls/snapshots/?d

@muhammadFawzy
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Nothing works for me i replaced it many times and changed from java 8 to 11 and 15 but still didn't work
Os : macOS
JAVA_HOME: /Library/Java/JavaVirtualMachines/jdk-11.0.9.jdk/Contents/Home
any help?

@nicobao
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nicobao commented Jan 5, 2021

Nothing works for me i replaced it many times and changed from java 8 to 11 and 15 but still didn't work
Os : macOS
JAVA_HOME: /Library/Java/JavaVirtualMachines/jdk-11.0.9.jdk/Contents/Home
any help?

You need Java 11. Normally it should work. Please copy paste the file coc-settings.json. Type :CocConfig to get it. Also, tell me the content of ~/.config/coc/extensions/coc-java-data/server please

@muhammadFawzy
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Nothing works for me i replaced it many times and changed from java 8 to 11 and 15 but still didn't work
Os : macOS
JAVA_HOME: /Library/Java/JavaVirtualMachines/jdk-11.0.9.jdk/Contents/Home
any help?

You need Java 11. Normally it should work. Please copy paste the file coc-settings.json. Type :CocConfig to get it. Also, tell me the content of ~/.config/coc/extensions/coc-java-data/server please

my Config is

{
  // suggestions
  // "suggest.echodocSupport": true,
  // TODO add more labels and give them cool glyphs
  "suggest.completionItemKindLabels": {
    "text": "t",
    "method": "m",
    "function": ""
  },
  "snippets.priority": 1,
  //"yank.priority": 1,
  "suggest.languageSourcePriority": 99,
  "coc.source.file.priority": 2,
  "coc.source.around.priority": 3,
  "coc.source.buffer.priority": 4,

  // diagnostics
  "diagnostic.errorSign": " ",
  "diagnostic.warningSign": " ",
  "diagnostic.infoSign": "",
  "diagnostic.hintSign": " ",
  // "diagnostic.displayByAle": true,
  // "diagnostic.virtualText": true, // this won't work with codelens when error on same line

  // codelens
  "codeLens.enable": true,
  "java.referencesCodeLens.enabled": true,
  "java.implementationsCodeLens.enabled": true,
  "java.completion.enabled": true,
  "java.jdt.ls.vmargs": "-javaagent:/usr/local/share/lombok/lombok.jar",

  // list
  "list.indicator": ">",
  "list.selectedSignText": " ",

  // autoformat
  "coc.preferences.formatOnSaveFiletypes": [
    "css",
    "markdown",
    "javascript",
    "graphql",
    "html",
    "yaml",
    "json",
    "python",
    "java"
  ],
  "coc.preferences.hoverTarget": "float",

  // python config
  "python.analysis.autoImportCompletions": true,
  "python.analysis.autoSearchPaths": true,
  "python.analysis.diagnosticMode": "openFilesOnly",
  "python.analysis.stubPath": "typings",
  "python.analysis.typeshedPaths": [],
  "python.analysis.diagnosticSeverityOverrides": {},
  "python.analysis.typeCheckingMode": "basic",
  "python.analysis.useLibraryCodeForTypes": true,
  "python.pythonPath": "python",
  "python.venvPath": "",
  "python.formatting.provider": "black",
  "python.formatting.blackPath": "black",
  "python.formatting.blackArgs": [],
  "python.formatting.autopep8Path": "autopep8",
  "python.formatting.autopep8Args": [],
  "python.formatting.yapfPath": "yapf",
  "python.formatting.yapfArgs": [],
  "python.linting.enabled": true,
  "python.linting.flake8Enabled": false,
  "python.linting.banditEnabled": false,
  "python.linting.mypyEnabled": false,
  "python.linting.pytypeEnabled": false,
  "python.linting.prospectorEnabled": false,
  "python.linting.pydocstyleEnabled": false,
  "python.linting.pylamaEnabled": false,
  "python.linting.pylintEnabled": false,
  "pyright.disableCompletion": false,
  "pyright.disableLanguageServices": false,
  "pyright.disableOrganizeImports": false,

  // snippets
  "snippets.ultisnips.directories": ["UltiSnips", "~/.config/nvim/snips"],
  //"snippets.userSnippetsDirectory": "~/.config/nvim/snips",

  // emmet
  "emmet.includeLanguages": {
    "vue-html": "html",
    "javascript": "javascriptreact"
  },

  // CSS (disable since I'm also using stylelintplus)
  "css.validate": false,
  "less.validate": false,
  "scss.validate": false,
  "wxss.validate": false,

  // explorer
  "explorer.width": 30,
  "explorer.file.root.template": "[icon] [git] [hidden & 1][root]",
  "explorer.icon.enableNerdfont": true,
  "explorer.previewAction.onHover": false,
  "explorer.icon.enableVimDevicons": false,
  "explorer.file.showHiddenFiles": false,
  "explorer.keyMappings.global": {
    "<cr>": ["expandable?", "expand", "open"],
    "v": "open:vsplit"
  },

  "languageserver": {
    "lua": {
      "command": "/home/chris/.luambenvs/neovim4/bin/lua-lsp",
      "filetypes": ["lua"],
      "trace.server": "verbose"
    }
  },

  "bookmark.sign": "",

  //coc-emoji
  "coc.source.emoji.filetypes": ["markdown"]

  // lua
  //"lua.useSumnekoLs": true,
  //"lua.commandPath": "/home/chris/.luambenvs/neovim3/bin/lua-lsp"
  //"lua.enable": true,
  //"Lua.completion.enable": true,
  //"Lua.runtime.version": "Lua 5.1",
  //"Lua.runtime.path": ["?.lua", "?/init.lua", "?/?.lua"],
  //"lua.version": "5.1"
  //"lua.commandPath": "/home/chris/.vscode-insiders/extensions/sumneko.lua-1.0.5/server/bin/Linux/lua-language-server"

  // TODO b:coc_suggest_disable=1 GOYO
  // TODO add to paths.vim g:coc_node_path
}

about the content :
config_linux config_mac config_ss_linux config_ss_mac config_ss_win config_win features plugins

@nicobao
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nicobao commented Jan 5, 2021

I suspect your problems lie with
java.jdt.ls.vmargs parameter
Check here:
eclipse-jdtls/eclipse.jdt.ls#824 (comment)
For default parameters.
Install coc-json (or jsonc, not sure), to get autocomplete in :CocConfig for next time.
I think you may have removed important default parameters instead of adding your lombok parameter to it.

Besides, can you try renaming the folder I told you, and try to download the Java language server from within vim (:CocCommand java.updateLanguageServer)?
Delete the old folder if it now works.

Before doing all that you can also use java.trace.server=true or something like that (see readme troubleshooting of this repo and cox.nvim repo) and then, open the server log with the corresponding coc Java command, to look for an error, then paste it here.
Would be nice also if you could tell us the version of the language server you're running.

@muhammadFawzy
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I suspect your problems lie with
java.jdt.ls.vmargs parameter
Check here:
eclipse/eclipse.jdt.ls#824 (comment)
For default parameters.
Install coc-json (or jsonc, not sure), to get autocomplete in :CocConfig for next time.
I think you may have removed important default parameters instead of adding your lombok parameter to it.

Besides, can you try renaming the folder I told you, and try to download the Java language server from within vim (:CocCommand java.updateLanguageServer)?
Delete the old folder if it now works.

Before doing all that you can also use java.trace.server=true or something like that (see readme troubleshooting of this repo and cox.nvim repo) and then, open the server log with the corresponding coc Java command, to look for an error, then paste it here.
Would be nice also if you could tell us the version of the language server you're running.

It works for me
language server = 68
java 11

Thanks

@nicobao
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nicobao commented Jan 6, 2021 via email

@muhammadFawzy
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Could you tell mewhat was wrong? Which step helped you succeed? Le mer. 6 janv. 2021 à 13:02, Mohamed Fawzy notifications@github.com a écrit :

I suspect your problems lie with java.jdt.ls.vmargs parameter Check here: eclipse/eclipse.jdt.ls#824 (comment) <eclipse/eclipse.jdt.ls#824 (comment)> For default parameters. Install coc-json (or jsonc, not sure), to get autocomplete in :CocConfig for next time. I think you may have removed important default parameters instead of adding your lombok parameter to it. Besides, can you try renaming the folder I told you, and try to download the Java language server from within vim (:CocCommand java.updateLanguageServer)? Delete the old folder if it now works. Before doing all that you can also use java.trace.server=true or something like that (see readme troubleshooting of this repo and cox.nvim repo) and then, open the server log with the corresponding coc Java command, to look for an error, then paste it here. Would be nice also if you could tell us the version of the language server you're running. It works for me language server = 68 java 11 Thanks — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#99 (comment)>, or unsubscribe https://github.com/notifications/unsubscribe-auth/ALBYMI6EANXAO5VQ5MVYU5DSYRGO5ANCNFSM4PE3DEPA .

it was because this one java.jdt.ls.vmargs

@esorylul
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Version 57 of JDT Lang Sever works fine
https://download.eclipse.org/jdtls/milestones/0.57.0/
Quick hack for those who are facing this issue
Replace all directories/files in ~/.config/coc/extensions/coc-java-data/server with directories/files from above extracted JDT lang server tar.

I just solved it the same way using the latest jdt lang server today, which is v0.9.0: https://download.eclipse.org/jdtls/milestones/0.9.0/
I suspect that using 0.57.0 will result in lower capabilities.
There seems to be a bug with the way coc-java is downloading the language server.

EDIT: I was wrong, 0.9.0 is from 2017. Download: "jdt-language-server-latest.tar.gz" from https://download.eclipse.org/jdtls/snapshots/?d in one way or another and run it with Java 11.

thinks! It`s work on windows10 with neovim-qt

@fabOnReact
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fabOnReact commented Mar 17, 2021

does not work with https://github.com/facebook/react-native/blob/master/ReactAndroid/build.gradle (a gradle/buck android project)
I'm reading this article on how to configure manually eclipse.jdt.ls https://zignar.net/2019/11/21/setup-neovim-for-java-development/

but I wonder if the problem is with eclipse.jdt.ls itself

Limited Gradle support (Android projects are not supported)

https://github.com/eclipse/eclipse.jdt.ls
redhat-developer/vscode-java#10 (comment)
https://github.com/greensopinion/gradle-android-eclipse

so is there a language server out there compatible with Gradle based android projects?

@chris-av
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chris-av commented Sep 4, 2021

I got the same exact error. I found that :CocUninstall did not actually remove the .config/coc/extensions/coc-java-data. I ran the :CocUninstall coc-java, then manually removed .config/coc/extensions/coc-java-data. Once I ran :CocInstall coc-java again, the language server started to work again. The error must be in how it is initially downloaded.

@juanMarinero
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I just did :CocCommand java.updateLanguageServer (from coc-java#setting-the-jdk), waited, and restarted Vim.
Ubuntu 20.04 && Vim 8.2

@Fatpandac
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JDK : 16.0.2
jdt.ls : 0.57
OS : Windows11
It can run!!! I need help!!!

@kaiyulee
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kaiyulee commented Sep 16, 2021

macOS

jdt.ls auto installed when CocInstall coc-java (latest)

:CocConfig open coc-settings.json file.

set java.home like:

{
    "java.home": "/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home",
    "java.trace.server": "verbose",
    "java.format.enabled": true,
    "java.import.maven.enabled": true,
    "java.maven.downloadSources": true
}

WORKED!

"java.home": "/Library/Java/JavaVirtualMachines/jdk1.8.0_271.jdk/Contents/Home",, java 8 won't work!

As mentioned above, I think it should work when jdk version > 8

@Fatpandac
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macOS

jdt.ls auto installed when CocInstall coc-java (latest)

:CocConfig open coc-settings.json file.

set java.home like:

{
    "java.home": "/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home",
    "java.trace.server": "verbose",
    "java.format.enabled": true,
    "java.import.maven.enabled": true,
    "java.maven.downloadSources": true
}

WORKED!

"java.home": "/Library/Java/JavaVirtualMachines/jdk1.8.0_271.jdk/Contents/Home",, java 8 won't work!

As mentioned above, I think it should work when jdk version > 8

I can find the path in my Java folder on Windows.
image

@idr4n
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idr4n commented Oct 10, 2021

I just did :CocCommand java.updateLanguageServer (from coc-java#setting-the-jdk), waited, and restarted Vim. Ubuntu 20.04 && Vim 8.2

Thanks @juanMarinero, this worked for me in archlinux.

@rockneverdies55
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After trying all the steps above it started successfully only after I issued :CocCommand java.clean.workspace command.

@ChheavBunHeng
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ChheavBunHeng commented Dec 29, 2021

Error: The "java" server crashed 5 times in the last 3 minutes. The server will not be restarted
Basically this is only happen, IF you either accidentally or incidentally delete the workshop folder rather than just the file in WorkspaceStroage
Linux: /home/duck(UserName)/.config/code/User/workspaceStorage/
just go back and do not delete WorkSpaceStorage folder but the file in that folder
work like a charm

@geeksilva97
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It definitely doesn't work with version 8. I switched to a newer one and everything is working fine.

@timmyjose
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After trying all the steps above it started successfully only after I issued :CocCommand java.clean.workspace command.

Thanks for that - it'd become annoying to the point that I was ready to uninstall coc-java.

@xquilt
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xquilt commented Jun 5, 2022

As for me, i thought that i've already set the JAVA_HOME, but i didn't. Either way, setting that path for the JDK did the job.

@David-Carr-C
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Version 57 of JDT Lang Sever works fine
https://download.eclipse.org/jdtls/milestones/0.57.0/
Quick hack for those who are facing this issue
Replace all directories/files in ~/.config/coc/extensions/coc-java-data/server with directories/files from above extracted JDT lang server tar.

Thank you very much, It solved the problem simply and it works now like a charm:)

It works for me too.

@rvyhvn
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rvyhvn commented May 22, 2023

Hello, i'm facing this issue right now, i'm new in neovim and all of configs. I got confused about the jdtls thing. I don't use Lua as config files for Neovim. The directory in my ~/.config/coc/extensions/coc-java-data is only a directory called "1.14.1". Could someone help me please?

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