# Eclipse **URL:** https://discuss.kotlinlang.org/c/eclipse/16.md [Latest](https://discuss.kotlinlang.org/latest.md) · [Categories](https://discuss.kotlinlang.org/categories.md) --- ## [About the Eclipse category](https://discuss.kotlinlang.org/t/about-the-eclipse-category/5148)
**Author:** [@yole](https://discuss.kotlinlang.org/u/yole)\ **Replies:** 0\ **Last updated:** [October 27, 2017, 4:16pm UTC](https://discuss.kotlinlang.org/t/about-the-eclipse-category/5148 "2017-10-27T16:16:56Z")
Using Kotlin in Eclipse IDE. --- ## [Kotlin plugin doesn't seem to do anything](https://discuss.kotlinlang.org/t/kotlin-plugin-doesnt-seem-to-do-anything/27127)
**Author:** [@sryze](https://discuss.kotlinlang.org/u/sryze)\ **Replies:** 0\ **Last updated:** [July 23, 2023, 10:22am UTC](https://discuss.kotlinlang.org/t/kotlin-plugin-doesnt-seem-to-do-anything/27127 "2023-07-23T10:22:03Z")
I’ve installed the Kotlin plugin from JetBains in Eclipse but it keeps opening .kt files in an external editor, and if I open it within Eclipse itself, there is no syntax highlighting. Does this plugin work with Eclipse… --- ## [Can not install kotlin plugin on eclipse](https://discuss.kotlinlang.org/t/can-not-install-kotlin-plugin-on-eclipse/25138)
**Author:** [@jayhuang030](https://discuss.kotlinlang.org/u/jayhuang030)\ **Replies:** 2\ **Last updated:** [July 18, 2022, 10:20pm UTC](https://discuss.kotlinlang.org/t/can-not-install-kotlin-plugin-on-eclipse/25138 "2022-07-18T22:20:03Z")
I just installed the latest eclipse and want to add kotlin. So I searched it on marketplace and tried to install but got this confusing error. I did tried to sort out the dependency but couldn’t find the dependencies nee… --- ## [Eclipse exception: java.lang.ExceptionInInitializerError](https://discuss.kotlinlang.org/t/eclipse-exception-java-lang-exceptionininitializererror/23893)
**Author:** [@lidisi](https://discuss.kotlinlang.org/u/lidisi)\ **Replies:** 0\ **Last updated:** [January 11, 2022, 9:56pm UTC](https://discuss.kotlinlang.org/t/eclipse-exception-java-lang-exceptionininitializererror/23893 "2022-01-11T21:56:45Z")
Hi, Am getting the following error in the Eclipse editor, where Kotlin code normally would be. Kotlin code is not shown, instead it says “Failed to create the part’s controls”. Any ideas? Thanks Eclipse IDE for Ente… --- ## [java.lang.ExceptionInInitializerError with JDK 17](https://discuss.kotlinlang.org/t/java-lang-exceptionininitializererror-with-jdk-17/23824)
**Author:** [@morenets](https://discuss.kotlinlang.org/u/morenets)\ **Replies:** 0\ **Last updated:** [January 1, 2022, 8:57pm UTC](https://discuss.kotlinlang.org/t/java-lang-exceptionininitializererror-with-jdk-17/23824 "2022-01-01T20:57:50Z")
Hi I have JDK 17-based project that uses Gradle Kotlin build scripts and STS 4.13 as primary IDE. The project is built successfully using command-line. I installed Eclipse Kotlin plugin 0.8.22 in STS. However when I op… --- ## [Please Share Your Experience of using Kotlin in Eclipse (survey)](https://discuss.kotlinlang.org/t/please-share-your-experience-of-using-kotlin-in-eclipse-survey/21172)
**Author:** [@Alina.Dolgikh](https://discuss.kotlinlang.org/u/Alina.Dolgikh)\ **Replies:** 0\ **Last updated:** [March 11, 2021, 10:51am UTC](https://discuss.kotlinlang.org/t/please-share-your-experience-of-using-kotlin-in-eclipse-survey/21172 "2021-03-11T10:51:26Z")
Hi everyone! The Kotlin team is conducting research to better understand the needs of Eclipse users who work with Kotlin. We would appreciate it if those of you with such experience could answer this quick, 5-question … --- ## [Stackoverflow on startup in Eclipse plugin](https://discuss.kotlinlang.org/t/stackoverflow-on-startup-in-eclipse-plugin/18589)
**Author:** [@exuvo](https://discuss.kotlinlang.org/u/exuvo)\ **Replies:** 7\ **Last updated:** [January 20, 2021, 9:24pm UTC](https://discuss.kotlinlang.org/t/stackoverflow-on-startup-in-eclipse-plugin/18589 "2021-01-20T21:24:35Z")
I updated the kotlin plugin and buildship plugin today for my eclipse 2019-09 R (4.13.0) installation and now i am getting the following error during “Initializing Java Tooling”. I have the exact same unmodified kotlin g… --- ## [View source of Kotlin package in Eclipse](https://discuss.kotlinlang.org/t/view-source-of-kotlin-package-in-eclipse/20548)
**Author:** [@v.a.lotarev](https://discuss.kotlinlang.org/u/v.a.lotarev)\ **Replies:** 0\ **Last updated:** [January 15, 2021, 4:17pm UTC](https://discuss.kotlinlang.org/t/view-source-of-kotlin-package-in-eclipse/20548 "2021-01-15T16:17:13Z")
Dear guru, I am using package written in Kotlin (OkHttp) in my Java project in Eclipse. This package has sources jar attached. When I want to look at the sources (following up some method link, etc) I expect that Eclips… --- ## [Stackoverflow in Eclipse plugin](https://discuss.kotlinlang.org/t/stackoverflow-in-eclipse-plugin/17265)
**Author:** [@Udo](https://discuss.kotlinlang.org/u/Udo)\ **Replies:** 11\ **Last updated:** [October 16, 2020, 12:28pm UTC](https://discuss.kotlinlang.org/t/stackoverflow-in-eclipse-plugin/17265 "2020-10-16T12:28:56Z")
I get a stack overflow each time I change the project settings. It is a multi project configuration with Gradle. I used Eclipse 2020-03 and Kotlin Plugin 0.8.20 The stack trace is !ENTRY org.eclipse.core.jobs 4 2 2020-… --- ## [Eclipse Kotlin-Gradle Plugin not working](https://discuss.kotlinlang.org/t/eclipse-kotlin-gradle-plugin-not-working/19526)
**Author:** [@Udo](https://discuss.kotlinlang.org/u/Udo)\ **Replies:** 0\ **Last updated:** [October 16, 2020, 12:25pm UTC](https://discuss.kotlinlang.org/t/eclipse-kotlin-gradle-plugin-not-working/19526 "2020-10-16T12:25:33Z")
When I import a Gradle project with a build.gradle.kts file then it just doesn’t work. I have these problems: Project cannot be imported as the Gradle Tooling cannot process the Kotlin build.gradle.kts file If I corre… --- ## [Can not publish Kotlin class files to Tomcat server](https://discuss.kotlinlang.org/t/can-not-publish-kotlin-class-files-to-tomcat-server/1961)
**Author:** [@liying.cn.2010](https://discuss.kotlinlang.org/u/liying.cn.2010)\ **Replies:** 11\ **Last updated:** [May 22, 2020, 2:04pm UTC](https://discuss.kotlinlang.org/t/can-not-publish-kotlin-class-files-to-tomcat-server/1961 "2020-05-22T14:04:19Z")
Hi friends, I am developing a web application, using Eclipse + Web Tools Platform + Kotlin plugin. In the “Web Deployment Assembly” setting, I added the source folder of the Kotlin source files, but when I publish this… --- ## [Why aren't arithmetic operations working using the Eclipse Kotlin plug-in?](https://discuss.kotlinlang.org/t/why-arent-arithmetic-operations-working-using-the-eclipse-kotlin-plug-in/17048)
**Author:** [@Mazen\_Marei](https://discuss.kotlinlang.org/u/Mazen_Marei)\ **Replies:** 1\ **Last updated:** [May 17, 2020, 4:47pm UTC](https://discuss.kotlinlang.org/t/why-arent-arithmetic-operations-working-using-the-eclipse-kotlin-plug-in/17048 "2020-05-17T16:47:55Z")
So I’ve decided to learn how code in Kotlin this morning on eclipse. Whenever I try to do an arithmetic operation Im always met with this error : ERROR: Cannot access ‘java.io.Serializable’ which is a supertype of ‘kot… --- ## [Can't run Kotlin tests with Junit run configuration (used to work)](https://discuss.kotlinlang.org/t/cant-run-kotlin-tests-with-junit-run-configuration-used-to-work/13545)
**Author:** [@lidisi](https://discuss.kotlinlang.org/u/lidisi)\ **Replies:** 4\ **Last updated:** [February 14, 2020, 2:23pm UTC](https://discuss.kotlinlang.org/t/cant-run-kotlin-tests-with-junit-run-configuration-used-to-work/13545 "2020-02-14T14:23:47Z")
Hi, Have a weird issue where a Junit Run Configuration that was running my Junit tests for months just stopped working and now it can no longer see/find the test.KotlinTestsRunner class (see the enclosed pics for mor… --- ## [Current state of Eclipse plugin](https://discuss.kotlinlang.org/t/current-state-of-eclipse-plugin/4979)
**Author:** [@pjmlp](https://discuss.kotlinlang.org/u/pjmlp)\ **Replies:** 13\ **Last updated:** [February 7, 2020, 11:32am UTC](https://discuss.kotlinlang.org/t/current-state-of-eclipse-plugin/4979 "2020-02-07T11:32:21Z")
Hello, currently the Eclipse plugin hasn’t seen any updates since March, while I understand that it probably isn’t in the best interest of JetBrains to support a competing IDE, not all of us have the luxury of working w… --- ## [Configure Formatting in Eclipse](https://discuss.kotlinlang.org/t/configure-formatting-in-eclipse/14291)
**Author:** [@fljmayer](https://discuss.kotlinlang.org/u/fljmayer)\ **Replies:** 3\ **Last updated:** [February 7, 2020, 9:57am UTC](https://discuss.kotlinlang.org/t/configure-formatting-in-eclipse/14291 "2020-02-07T09:57:17Z")
It seems the Kotlin Eclipse plugin does support formatting. However, I couldn’t find any way to configure the formatting parameters. All I could find was kotlin-eclipse/kotlin-formatting.xml at master · JetBrains/kotlin-… --- ## [Eclipse will not build a kotlin project](https://discuss.kotlinlang.org/t/eclipse-will-not-build-a-kotlin-project/11649)
**Author:** [@markrx](https://discuss.kotlinlang.org/u/markrx)\ **Replies:** 12\ **Last updated:** [January 27, 2020, 8:56pm UTC](https://discuss.kotlinlang.org/t/eclipse-will-not-build-a-kotlin-project/11649 "2020-01-27T20:56:52Z")
I am unable to get eclipse to compile and run a Hello world Kotlin application. Below are the steps I took: Create a new Kotlin project called kotlin-test using the UI wizard Create a new Kotlin file mypackage.MyClass … --- ## [Kotlin plugin issues](https://discuss.kotlinlang.org/t/kotlin-plugin-issues/14635)
**Author:** [@wizofaus](https://discuss.kotlinlang.org/u/wizofaus)\ **Replies:** 2\ **Last updated:** [January 3, 2020, 9:46pm UTC](https://discuss.kotlinlang.org/t/kotlin-plugin-issues/14635 "2020-01-03T21:46:52Z")
Hi, just a couple of issues I seem to having after upgrading to latest Eclipse (4.7.3a) and Kotlin plugin (0.8.18). a) I get the following error popup every time I open a kt file (but after dismissing everything seems o… --- ## [Kotlin AllOpen Plugin doesn't work with STS](https://discuss.kotlinlang.org/t/kotlin-allopen-plugin-doesnt-work-with-sts/13277)
**Author:** [@joserodrigo](https://discuss.kotlinlang.org/u/joserodrigo)\ **Replies:** 9\ **Last updated:** [July 21, 2019, 12:28am UTC](https://discuss.kotlinlang.org/t/kotlin-allopen-plugin-doesnt-work-with-sts/13277 "2019-07-21T00:28:13Z")
Hello, I configured everything to use JDK 1.8, but still my application fail to start. Editor Error: Cannot inline bytecode built with JVM target 1.8 into bytecode that is being built with JVM target 1.6. Please specify… --- ## [Extremely poor performance of the Kotlin plugin for Eclipse](https://discuss.kotlinlang.org/t/extremely-poor-performance-of-the-kotlin-plugin-for-eclipse/3397)
**Author:** [@shallow\_water](https://discuss.kotlinlang.org/u/shallow_water)\ **Replies:** 5\ **Last updated:** [April 26, 2019, 6:55pm UTC](https://discuss.kotlinlang.org/t/extremely-poor-performance-of-the-kotlin-plugin-for-eclipse/3397 "2019-04-26T18:55:52Z")
Hi, Not sure if this is the right place to report this, but seeing huge speed / memory allocation / leak problems when using Kotlin code of moderate size in Eclipse. The code is approximately 400 files, and about 20 KLO… --- ## [Eclipse + Kotlin + Junit: @Test annotation errors](https://discuss.kotlinlang.org/t/eclipse-kotlin-junit-test-annotation-errors/11417)
**Author:** [@lidisi](https://discuss.kotlinlang.org/u/lidisi)\ **Replies:** 4\ **Last updated:** [February 4, 2019, 10:14pm UTC](https://discuss.kotlinlang.org/t/eclipse-kotlin-junit-test-annotation-errors/11417 "2019-02-04T22:14:22Z")
Hi, Whenever I use Junit @Test annotation in Kotlin code(see \[1\] below), Eclipse (or perhaps Kotlin plug-in for Eclipse) generates a bunch of errors that pop up every ten seconds or so, very annoying: An internal error… --- ## [Eclipse + Kotlin plug-in = "java.lang.NoClassDefFoundError: org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor"?](https://discuss.kotlinlang.org/t/eclipse-kotlin-plug-in-java-lang-noclassdeffounderror-org-eclipse-jdt-internal-ui-javaeditor-compilationuniteditor/10789)
**Author:** [@lidisi](https://discuss.kotlinlang.org/u/lidisi)\ **Replies:** 3\ **Last updated:** [January 14, 2019, 10:41am UTC](https://discuss.kotlinlang.org/t/eclipse-kotlin-plug-in-java-lang-noclassdeffounderror-org-eclipse-jdt-internal-ui-javaeditor-compilationuniteditor/10789 "2019-01-14T10:41:38Z")
Anyone have success using Eclipse 2018-12 RC1 (or other version) for Kotlin development? If so, what JVM, Eclipse and kotlin plug-in versions do you use? I tried the following combination but only had limited success: … --- ## [Eclipse, maven, kotlin not playing nicely after upgrade to 1.3 and 0.8.8 eclipse plugin](https://discuss.kotlinlang.org/t/eclipse-maven-kotlin-not-playing-nicely-after-upgrade-to-1-3-and-0-8-8-eclipse-plugin/10183)
**Author:** [@tbartley](https://discuss.kotlinlang.org/u/tbartley)\ **Replies:** 4\ **Last updated:** [November 6, 2018, 9:37am UTC](https://discuss.kotlinlang.org/t/eclipse-maven-kotlin-not-playing-nicely-after-upgrade-to-1-3-and-0-8-8-eclipse-plugin/10183 "2018-11-06T09:37:58Z")
I’m running Eclipse 2018-09 (curren version) and had the eclipse plugin version 0.8.7. I am building maven projects with Kotlin 1.2.71. Ever since I upgraded the plugin in eclipse with the release of Kotlin 1.3 my maven… --- ## [Youtrack Kotlin Eclipse project gone?](https://discuss.kotlinlang.org/t/youtrack-kotlin-eclipse-project-gone/8161)
**Author:** [@georgfriedrich](https://discuss.kotlinlang.org/u/georgfriedrich)\ **Replies:** 3\ **Last updated:** [November 6, 2018, 9:12am UTC](https://discuss.kotlinlang.org/t/youtrack-kotlin-eclipse-project-gone/8161 "2018-11-06T09:12:40Z")
Hi, I’m wondering what happened to the tickets of the Kotlin Eclipse project in your YouTrack instance. I can’t get there either via the link of the README.md in the Eclipse Kotlin GitHub project: https://youtrack.jetb… --- ## [Is There any method to setup gradle kotlin with eclipse?](https://discuss.kotlinlang.org/t/is-there-any-method-to-setup-gradle-kotlin-with-eclipse/6657)
**Author:** [@mandaputra8](https://discuss.kotlinlang.org/u/mandaputra8)\ **Replies:** 1\ **Last updated:** [October 17, 2018, 10:04am UTC](https://discuss.kotlinlang.org/t/is-there-any-method-to-setup-gradle-kotlin-with-eclipse/6657 "2018-10-17T10:04:27Z")
Im having trouble to setup kotlin gradle using eclipse. Is there any method? --- ## [Spring Boot - Integration of Eclipse Plugin](https://discuss.kotlinlang.org/t/spring-boot-integration-of-eclipse-plugin/8797)
**Author:** [@estevaojordao](https://discuss.kotlinlang.org/u/estevaojordao)\ **Replies:** 2\ **Last updated:** [August 7, 2018, 2:51pm UTC](https://discuss.kotlinlang.org/t/spring-boot-integration-of-eclipse-plugin/8797 "2018-08-07T14:51:52Z")
Hi all, I’m doing a project with spring boot and kotlin using eclipse, I’m using eclipse Neon, because through the documentationd github of the kotlin plugin, it seems to me the most indicated (although old). I have a p… --- ## [Issue: highlighting breaks at certain conditions](https://discuss.kotlinlang.org/t/issue-highlighting-breaks-at-certain-conditions/8801)
**Author:** [@8kac8](https://discuss.kotlinlang.org/u/8kac8)\ **Replies:** 2\ **Last updated:** [July 31, 2018, 9:48am UTC](https://discuss.kotlinlang.org/t/issue-highlighting-breaks-at-certain-conditions/8801 "2018-07-31T09:48:39Z")
An error: An internal error occurred during: "Install semantic highlighting". Cannot find highlight attributes for val baz: kotlin.String defined in foo \[resolveParametersOfFunctionType$ParameterOfFunctionTypeDescript… --- ## [ClassNotFound for kotlin classes with Eclipse plugin (randomly)](https://discuss.kotlinlang.org/t/classnotfound-for-kotlin-classes-with-eclipse-plugin-randomly/8599)
**Author:** [@amergey](https://discuss.kotlinlang.org/u/amergey)\ **Replies:** 0\ **Last updated:** [July 17, 2018, 9:36am UTC](https://discuss.kotlinlang.org/t/classnotfound-for-kotlin-classes-with-eclipse-plugin-randomly/8599 "2018-07-17T09:36:21Z")
At some point, Kotlin eclipse plugin stop working, we have a ClassNotFoundException for one of our Kotlin class running our java code from eclipse. I have not filled a bug yet, because, it seems to occurs randomly, and … --- ## [Kotlin Eclipse Plugin exception with @PropertySource Spring annotation](https://discuss.kotlinlang.org/t/kotlin-eclipse-plugin-exception-with-propertysource-spring-annotation/7960)
**Author:** [@alban1209](https://discuss.kotlinlang.org/u/alban1209)\ **Replies:** 2\ **Last updated:** [June 17, 2018, 8:20pm UTC](https://discuss.kotlinlang.org/t/kotlin-eclipse-plugin-exception-with-propertysource-spring-annotation/7960 "2018-06-17T20:20:43Z")
I have installed the KotLin Eclipse plugin and when I add the @PropertySource Spring annotation to my configuration class, a problem popup appears: An internal error occured during: “Kotlin Analysis”. When I look to the… --- ## [In the eclipise,running lib can't find the kotlin\_bin](https://discuss.kotlinlang.org/t/in-the-eclipise-running-lib-cant-find-the-kotlin-bin/6188)
**Author:** [@loadlife](https://discuss.kotlinlang.org/u/loadlife)\ **Replies:** 1\ **Last updated:** [May 27, 2018, 6:13am UTC](https://discuss.kotlinlang.org/t/in-the-eclipise-running-lib-cant-find-the-kotlin-bin/6188 "2018-05-27T06:13:51Z")
i am a new hand,and when i use the eclipise to realize my first kotlin project,this is something wrong makes me puzzled: the running library kotlin\_bin can’t be find.if there is someone can help me ,thanks --- ## [Windows 7 64-bit Eclipse Oxygen convert Java to Kotlin fails](https://discuss.kotlinlang.org/t/windows-7-64-bit-eclipse-oxygen-convert-java-to-kotlin-fails/7879)
**Author:** [@grouillier](https://discuss.kotlinlang.org/u/grouillier)\ **Replies:** 4\ **Last updated:** [May 23, 2018, 1:25am UTC](https://discuss.kotlinlang.org/t/windows-7-64-bit-eclipse-oxygen-convert-java-to-kotlin-fails/7879 "2018-05-23T01:25:12Z")
Running Eclipse Oxygen for JavaEE Developers on Windows 7 64-bit, learning Kotlin by converting existing Java code. In Package Explorer, if I right click on a Java file (containing an interface definition) and select “C… [Next page](https://discuss.kotlinlang.org/c/eclipse/16.md?page=1)