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Questions tagged [eclipse-oxygen]

Oxygen is the code name for Eclipse 4.7 released on 28th June 2017. Oxygen.3a (4.7.3a) released in April 2018 supported Java 9 and 10. Use this tag for questions which are specific to this Eclipse release, in most cases you should also specify the eclipse tag.

Oxygen project web site: https://projects.eclipse.org/releases/oxygen

Note that the initial Eclipse Oxygen release did not support Java 9. Releases from Oxygen.1a (4.7.1a) onwards contain full Java 9 support, see the Eclipse wiki here

Oxygen.3a (4.7.3a) contains support for Java 10.

238 questions
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Eclipse Oxygen 2 + Java 9 shows errors after a few minutes

After a few minutes using Eclipse for Java 9 development I start seeing errors which can only be resolved by restarting Eclipse. Before that the Java 9 support works perfectly. I use Gradle and import projects via Buildship Symptoms Typically some…
Adam
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JavaFX not imported with Java 8

I'm doing a Java project which involves JavaFX. I'm using Eclipse Oxygen with Java 8 (java-8-openjdk-amd64) and I installed the Eclipse plugin e(fx)clipse. I don't understand why this project has two errors: The project was not built since its…
Be Chiller Too
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ecilpse/junit5:Test cannot be resolved to a type

My eclipse seems not to be able to resolve JUnit 5 types when I write a test in a Java 9 module: "Test cannot be resolved to a type" I manually have added the JUnit 5 Library to the projects buildpath. Also I did these "clean project" and "update…
coder
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Measuring the speed in eclipse, Running time, execution time

I try to find a reasonable opportunity to meausure the speed of my java program/ program parts, e.g. to test which of two methods executes faster. Comment out one of both method, determine the runningtime and finally compare the times. I do not want…
neroscheni varatharajah
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After installing Java 9, Eclipse getting crashed while opening In windows 10

I have installed Java 9. Command Prompt shows that my java path updated to version 9. After installing and verifying my java version changes if i open my eclipse, it getting failed to open with a error.Below i have copied the error log. Note : - I…
Dheepan
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Configure Eclipse to use HTTPS for plugin download

Can I configure Eclipse to download plugin resources over HTTPS. Only HTTPS is allowed to download jars behind my proxy/firewall. Also I cannot find some plugin resources to install offline or some of them requires too much work.
Cem Özer
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Choosing JRE runtime environment in java 9 in eclipse oxygen version

I am trying to explore Java 9 features with Eclipse Oxygen Version. I have downloaded the java 9 and Eclipse Oxygen version. But when I try to create a new java project Java SE 1.9 is not available in the list of JRE Execution environment. How to…
user5908494
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Eclipse Neon and Oxygen setExtended GridLayout can't cast to FillLayout

I have a big plug-in eclipse Indigo RCP program. Trying to migrate to Oxygen and Java 8 (from 7) I get problems with all om my setExpanded(false) regarding GridLayouts. I get a response similar to ...GridLayout can not be casted to FillLayout. The…
Magnus_G
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Eclipse (Oxygen) Stops Responding When Accessing EGit?

I can't seem to access eGit or use any related features in Eclipse Oxygen. I have tried everything, and even wiped the meta, pool, and eclipse information to a complete re-install but still end up with the same issue. For your information, I have 2…
gagarwa
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Eclipse Oxygen: 'Download additional server adapters' link missing

I have Eclipse Java EE IDE for Web Developers, version: Oxygen Release (4.7.0) and 'Download additional server adapters' link missing from 'Define a New Server' wizard. I'd like to use Glassfish, but it's not in the server type list. How can I add…
Lilla Tóth
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Angular2 Eclipse: HTML editor in Eclipse Oxygen shows errors from TypeScript

I have installed the Angular2 Eclipse plugin for Eclipse Oxygen. I have created an angular2 project with the angular CLI and then opened the project in eclipse. I tried to convert the project to an Angular project, but when I right-click the…
artgrohe
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How do I add modules to the Eclipse Oxygen module path for a project?

I have a project that today has several jars as "Referenced Libraries". I'd instead like to add these as automatic modules on the module path so I can require them in my module-info.java. How do you add jars to the module path in Eclipse Oxygen?
tibbe
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Configured eclipse for gtkmm and gtk+ on ubuntu

I am trying to configure latest Eclipse for C++ (Oxygen) to work with gtkmm. How can I remove errors from Eclipse such as unresolved symbols and gtkmm header files. I am able to compile from command line using g++ and pkg-config flags. How can I do…
Kashif Mohammad
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JAX-RS Path with count regular expression

If I use the "{}" to specify the count condition in the regular expression of JAX-RS @Path, eclipse throws as error. @Path("/apps/{itemId:\\d{10}}") public Response getItems(... The @Path annotation value '/apps/{itemId:\d{10}}' is invalid: …
ulab
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Eclipse import external .class file

I have an Eclipse project and I want to import a .class file to use it in the project.I use the properties menu of the project, properties->java build path->add classfolder, to import the folder that contains the class file. The problem is that the…
Silver137
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