Questions tagged [java]
Java is a programming language. Use this tag for all questions on how to use emacs to work with Java code.
57 questions
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dap-mode java debug configuration for JUnit test
I have a gradle multiproject with different java subprojects. I'm also using lombok in my code. When I try debug a JUnit test using dap-java-debug-test-method, I therefore get error messages regarding ...
- 111
0
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1
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56
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How to change java file behaviour to use 2 character indentation
If I create a C file I get 2 character indentation which is what I want. However, if I create a java file, eg Hello.java then I am getting 4 character indentation. And I can't work out why.
My ....
- 229
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0
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93
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How can I configure my emacs so I can program in java?
I installed Emacs recently, because I already had a good experience with Vim (another ide that gives the user freedom to modify the ide as the user wants) and as I am studying Java together with Elisp ...
1
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0
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650
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Emacs as Java IDE - How to run code?
I am looking at setting up Emacs for Java development.
As much as possible, I would like to achieve Emacs being comparable to IntelliJ IDEA in terms of features, and also ease-of-use / "things ...
- 31
0
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1
answer
371
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lsp-java and its relation to the eclipse.jdt.ls language server
When using lsp-java with a 3 file project and one external jar, I am not using gradle or maven. I put the jar into a lib directory, open a Java file and everything works. Then I follow find-...
- 352
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1
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123
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How to add an external library to java lsp
I am working on a simple java program, it uses a jason.jar and junit.*.jar (for testing). I usually run the tests through the command line; i never run my programs through and Editor/IDE, I always use ...
- 13
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votes
1
answer
263
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View documentation of Java inside of emacs
I want to view Java documentation like https://docs.oracle.com/en/java/ inside emacs.
I have tried lsp-java with lsp-ui but my setup wasn't enough.
- 367
0
votes
1
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89
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org-mode: How to define then call a Java method using source blocks
I have a super simple example where I have a list, a Java method and a call to this method. It looks like this:
#+name: animals
- dog
- cat
- guinea pig
- horse
#+name: does-contains-cat
#+begin_src ...
- 147
1
vote
0
answers
379
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How to run JUnit tests with lsp-mode and dap-mode, without build tools like maven
I have a Guix profile in which I installed for a beginner's java class a java environment as minimal as possible: openjdk 17, java-junit (which is JUnit 4), emacs-lsp-java, and emacs-dap-mode. I ...
- 102
1
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262
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emacs workspace/executeCommand with `vscode.java.resolveMainClass` failed
I'm trying to debug java in emacs.I'm running the command M-x dap-java-debug in emacs and I'm getting below error.
emacs workspace/executeCommand with vscode.java.resolveMainClass failed.
(error &...
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81
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Is there any way of making company show local classes inside a Java project?
I have a configuration for Java code on emacs that's the following:
(use-package flycheck
:ensure t
:config
(global-flycheck-mode))
(use-package company
:ensure t
:hook (after-init . global-...
- 247
2
votes
1
answer
295
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Eglot spams the minibuffer in Java mode
I am essentially having this issue but for the java-mode. Eglot shows too many messages in the java files.
How can I fix this? I only wanna see the documentation and error messages in the minibuffer.
- 1,090
0
votes
1
answer
340
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How to setup maven for lsp-java
I need to import gurobi.jar to my project to correctly view the flycheck's errors.
I have read Maven in 5 Minutes and How to add local jar files to a Maven project? but I am still not able to ...
- 367
0
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1
answer
96
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Java-LSP freezes from Flymake error
I am very new to Java and have only been using an lsp for the past month or two. I have done some projects in Go, Python and Rust with lsp-mode and haven't had any problems. Now that I have been ...
- 72
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0
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61
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lsp failing while requiring uninstalled packages
I have (I think) installed lsp and lsp-java. My java mode hook starts with
(message "Running my-java-mode-hook")
(auto-revert-mode)
;; Set up lsp
(require 'lsp-mode)
(require '...
- 561
1
vote
1
answer
172
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How to set up K&R everywhere (1TBS) brace style in cc-mode?
I'd like Emacs to follow this indentation style:
struct Foo {
void bar() {
for (int i=0; i<10; i++) {
if (condition) {
// code
// code
...
- 56
2
votes
1
answer
2k
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Java development on Emacs?
Is is exist good package for java development on Emacs?
Good... I mean to support:
Debugging
Code formatting
Code Highlighting
Help context
Maven support
Gradle support
and many others things
- 4,224
1
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1
answer
107
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How to write evaluate java coding in Emacs file?
I am new to Emacs and I want to use org-mode to summarize the coding exercise and key points while learning Java. I am currently using IntelliJ to evaluate algorithmic coding questions I did on ...
- 131
1
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0
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353
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enable flycheck/syntax checker for Java in Spacemacs
I'm a java developer and I'm beginner using spacemacs, I've configured .spacemacs file to java configuration.
Many functionalities works well, for example, a class recognition when I'm coding, but in ...
- 31
2
votes
1
answer
305
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Java 15 Text Blocks in CC Mode?
Java SE 15 adds (finally) support for multiline string literals that start with """\n and end with """.
Has anyone updated java-mode (CC Mode) to recognize this construct?...
- 760
0
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1
answer
162
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Where is the *meghanada-server-log*
I recently installed meghanada-mode from melpa to help with some Java I am writing. Mostly I like it. However, it has started showing the following messages (in my *Messages* buffer):
Error:...
- 329
0
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1
answer
496
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Spacemacs Unable to use dap mode for Spring Boot web app
I am trying to set up a break point in my controller so that I can debug my spring boot web application within spacemacs. Can someone walk me through the steps on doing this.
The steps I have done so ...
- 24
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0
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226
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Error occurs during Java: (wrong-type-argument stringp (require . info))
EDIT: Error is not present with Emacs 26.3. I will revist when Emacs 27 becomes a release.
Emacs 27.0.50
This error occurs when I load a .java file or read java code in an org-mode src block. How ...
- 1
1
vote
1
answer
2k
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How to update lsp-java manually?
I'm trying to run a simple HelloWorld from Emacs using dap-mode commands dap-debug and dap-java-debug but prompted the error saying
lsp-request: No delegateCommandHandler for vscode.java....
- 429
2
votes
2
answers
5k
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Are there any tutorials/documentation for lsp-java?
I have managed to install lsp-java according to their git Readme (https://github.com/emacs-lsp/lsp-java) and created my workspace.
Is there a better way (eg. in form of a documentation or tutorial) ...
- 89
1
vote
1
answer
760
views
Ensime plugin causes sbt error: "You must explicitly set JDK_HOME or JAVA_HOME"
Spacemacs: 0.200.7
Emacs: 25.3.1
sbt: 1.2.0
Java: openjdk version
"1.8.0_171"
.sbt/1.0/plugins/plugins.sbt: addSbtPlugin("org.ensime" % "sbt-ensime"
% "2.5.1")
...
- 559
1
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0
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107
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Emacs doesn't use macOS's /etc/launchd.conf env variables
Emacs doesn't use macOS's /etc/launchd.conf env variables. I have the following there:
function addToPATH {
case ":$PATH:" in
*":$1:"*) :;; # already there
*) PATH="$1:$PATH";; # ...
- 920
1
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1
answer
1k
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format java source code natively based on CodeFormatterProfile
Is there an emacs tool to format java code according to a Java Code Formatter Profile (xml) spec, such as the one below?
https://github.com/google/styleguide/blob/gh-pages/eclipse-java-google-style....
- 873
2
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3
answers
1k
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LIGHTWEIGHT Java Environment (not JDEE)
Is there a lightweight Java environment for EMACS? I have used JDEE in the past, but it's accumulated a lot of, ahem, features since I used it last, and just trying to set it up has consumed a couple ...
- 349
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0
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107
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Constrain Eclim to java files
I am using eclim and I am loving it! But I had to disable eclimd-autostart because it keep trying to fire up eclimd when I pop a .js buffer.
Autostarting of eclimd is disabled, please start eclimd ...
- 374
3
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0
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42
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How to specify the (sub)directory for source and compiled files when evaluating Java codeblocks in org mode?
I use Org Mode with Java codeblocks.
When I evaluate a codeblock the source files and the compiled files (*.class) are saved in the same directory as the Org file with the codeblocks.
How can I ...
- 491
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0
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95
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use-package - load package depending on the OS username
I am not a Java guy at all, but I mess with it quite often for university reasons. I have used this awesome post by peter goldsborough to set up eclim. Which is nice! But this also requires a lot of ...
- 374
1
vote
1
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245
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JDEE runs maven all the time
I am opening a Java source file which is part of a maven project. JDEE now runs maven once, which I can sort of understand. But whenever I move around in the file, it will trigger once more. Since it ...
- 419
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1
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1k
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How to indent PHP code in PHP-mode?
I come from Java/Netbeans, and I can indent my Java code using alt+shift+f,
I have searched through this site and other articles, but I didn't find a good way to indent PHP.
What I found:
using ...
- 644
1
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0
answers
82
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Eclim problems not being highlighted/problems not being shown in minibuffer
I know I have eclim setup correctly because everything else works, I.E I can do autocomplete, jump to definition etc. I can even see problems with eclim-problems. However, when I make a syntax error, ...
- 181
2
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1
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383
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setting JDEE-server in emacs?
i've installed jdee from package-list it was elpa i think .. color highlight and indentation are working fine . but
when i run any command ( JDEE commands ) i get this message :
Customize ‘jdee-...
- 121
2
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0
answers
63
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JDEE can not detect multi file
I have two files A.java (base class) and B.java (class). The class B succeed A. In file B.java, I compiled by C-c C-v C-c, then it can not detect file A.java with error message:
cannot find symbol
...
- 21
2
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1
answer
173
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disable on-click mail sending in java mode
using spacemacs in java mode, moving the mouse over an email address displays in the modeline the text mouse-1, C-c RET: mail this address. And if I click on it, a blank email sending form is opened ...
- 991
3
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4
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190
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How do I find the variable or lisp code controlling a face at a particular column?
For the longest time I have been ignoring a face change at column 80 in my Java code. The text switches to a pinkish color as shown below. Now it is sufficiently bothersome that I would like to ...
- 399
7
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5
answers
8k
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Setting up Ditaa in Org-mode
I've been having trouble setting up ditaa to work in emacs,
I got my copy of the ditaa jar from here
And I've been trying to run this code block
#+begin_src ditaa :file hello.png :exports results
+-...
- 296
0
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1
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333
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gud-break doesn't work with jdb
I successfully attach to my java app with emacs & gud, but gud-break doesn't work as expected: it runs only:
stop at :48
if the line number is 48. So even the class name is missing and the ...
- 991
10
votes
1
answer
1k
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Which class or method or function am I in?
When navigating a source file with incremental search, I often find myself jumping into some context that is taller than the window. This raises the question: "Which class am I in?". Or, if the ...
- 307
2
votes
1
answer
370
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How to have c-offset style correctly detect a Java constructor and change indentation?
Currently my team (non-Emacs users) indent java like so:
public DiskThresholdDecider(Settings settings,
NodeSettingsService nodeSettingsService,
...
- 2,737
23
votes
3
answers
22k
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Suitability of Emacs as a Java development IDE
I'm making yet another attempt to convert over to Emacs. I'm a decent Vi user but have been using Eclipse for most of my development work for the past 10+ years (has it been that long).
So I did some ...
- 1,047
3
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0
answers
60
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Java dependency injection
I develop Java programs in Emacs occasionally, and adding a dependency to a dependency-injected class is a common action.
For example, imagine adding the dependency Qux to the following class:
// ...
- 6,140
1
vote
1
answer
2k
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Company eclim: cannot complete at point
What works
I have installed emacs-eclim and have it working in my Java buffers. For example, I can invoke eclim-java-refactor-rename-symbol-at-point or eclim-java-show-documentation-for-current-...
- 6,140
1
vote
1
answer
1k
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Debugging and setting breakpoints in Java code built with Gradle
I am using Emacs (v24.4) for writing Java applications. I have created a Java library that I am building using Gradle (v2.2) and testing with Spock Framework where I have all my test cases.
I would ...
- 111
5
votes
2
answers
1k
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Make emacs format Java more consistently
When I open Java files originally created and edited in Emacs, the indentation shows up correctly, as in the image below:
However, when I open the same file in Sublime Text, or any other editor ...
- 53
6
votes
1
answer
949
views
Simple JDEE Setup for Existing Java Project
I imagine most developers, like myself, starting out with JDEE are beginning with source code that is already written as opposed to a new empty project. What I'm asking for is a simple explanation of ...
- 171
1
vote
2
answers
458
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Writing Emacs Packages in Java
I am an okay Java programmer and have very little knowledge of Emacs lisp, but I would still like to be able to write some packages for Emacs.
Is there a way or package that would allow me to write a ...
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