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Re: [che-dev] Cannot create project (my first Che installation attempt)
10.0.2.15 is the IP on our internal network. Thanks for pointing me in this direction. Che works locally if I open 10.0.2.15:8080 instead of 127.0.0.1:8080 as I did before, so the local installation problem is solved.

However, on AWS EC2, we can't get Che running. We find several similar discussions, suggesting to set CHE_HOST, CHE_HOST_IP, CHE_DOCKER_MACHINE_HOST, CHE_DOCKER_SERVER__EVALUATION__STRATEGY and some more, which either don't exist or don't work. We now advised our department to buy Visual Studio Cloud subscriptions due to this first experience with Eclipse Che, and especially the lack of documentation.

Ernst

Dec 29, 2018, 9:37 PM by yivantso@xxxxxxxxxx:
Is 10.0.2.15 a public IP that your browser can access?

On Sun, Dec 30, 2018, 03:23 <ernstchilders@xxxxxxxxxxxx wrote:
Hello Yevhen,
I append the console output while I reload a (Python) workspace which I just created. Same problem as before, the possibility to create a new project is disabled, and a sample project that I added to the workspace is not available. There is no console output at all when I click "Create project".
Do you see anything suspicious?
(This Che installation is running on my local linux server, so Amazons EC2 is definitely not the reason why Che doesn't work for me.)
I think it's better to move to Visual Studio online, if Che doesn't have a failproof installation procedure or precise docs. For example, the animations at https://www.eclipse.org/che/docs/che-6/creating-starting-workspaces.html don't make clear whether I have to click the "Add Stack" button as somebody suggested in this thread or whether it is sufficient to select one of the stacks under "Quick start". Both doesn't work for me. Very frustrating :(

Ernst


WebSocket connection is closed. app-b89270a407.js:110:23451
WebSocket is reconnecting, attempt #1 out of 100... app-b89270a407.js:110:23451
Keycloak initialization failed with error: 
Object { readyState: 4, getResponseHeader: getResponseHeader(), getAllResponseHeaders: getAllResponseHeaders(), setRequestHeader: setRequestHeader(), overrideMimeType: overrideMimeType(), statusCode: statusCode(), abort: abort(), state: state(), always: always(), catch: catch(), … }
app-b89270a407.js:126739:9
You are using the ngTouch module.
Angular Material already has mobile click, tap, and swipe support...
ngTouch is not supported with Angular Material! app-b89270a407.js:110:23451
Markup '<md-button flex></md-button>' may not work as expected in IE Browsers. Consult 'https://github.com/philipwalton/flexbugs#9-some-html-elements-cant-be-flex-containers' for details. app-b89270a407.js:110:23451
Markup '<md-button flex></md-button>' may not work as expected in IE Browsers. Consult 'https://github.com/philipwalton/flexbugs#9-some-html-elements-cant-be-flex-containers' for details. app-b89270a407.js:110:23451
Preloading IDE _javascript_ /_app/BF2623D32D1E4C099FF4E0B6EF310B1F.cache.js app-b89270a407.js:110:23451
The character encoding of a framed document was not declared. The document may appear different if viewed without the document framing it. wksp-shue
Cannot load keycloak settings. This is normal for single-user mode. wksp-shue:90:29
XML Parsing Error: syntax error
Line Number 1, Column 1: compilation-mappings.properties:1:1
unreachable code after return statement[Learn More] wksp-shue:641:98
unreachable code after return statement[Learn More] wksp-shue:643:172
unreachable code after return statement[Learn More] wksp-shue:641:98
Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help http://xhr.spec.whatwg.org/ wksp-shue:18243:98
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://10.0.2.15:32772/api/project-type. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing).[Learn More]
ERROR (org.eclipse.che.ide.projecttype.ProjectTypeRegistryImpl): Can't load project types: org.eclipse.che.ide.commons.exception.ServerDisconnectedException _app-0.js:17942:126
Firefox can’t establish a connection to the server at ws://10.0.2.15:32772/wsagent?token=. wksp-shue:18015:24
WARNING (org.eclipse.che.ide.websocket.impl.BasicWebSocketEndpoint): Error occurred for endpoint ws://10.0.2.15:32772/wsagent?token= _app-0.js:17942:126
Firefox can’t establish a connection to the server at ws://10.0.2.15:32772/wsagent?token=. wksp-shue:18015:24
WARNING (org.eclipse.che.ide.websocket.impl.BasicWebSocketEndpoint): Error occurred for endpoint ws://10.0.2.15:32772/wsagent?token= _app-0.js:17942:126
Firefox can’t establish a connection to the server at ws://10.0.2.15:32772/wsagent?token=. wksp-shue:18015:24
WARNING (org.eclipse.che.ide.websocket.impl.BasicWebSocketEndpoint): Error occurred for endpoint ws://10.0.2.15:32772/wsagent?token= _app-0.js:17942:126
Firefox can’t establish a connection to the server at ws://10.0.2.15:32772/wsagent?token=. wksp-shue:18015:24
WARNING (org.eclipse.che.ide.websocket.impl.BasicWebSocketEndpoint): Error occurred for endpoint ws://10.0.2.15:32772/wsagent?token= _app-0.js:17942:126
Firefox can’t establish a connection to the server at ws://10.0.2.15:32772/wsagent?token=. wksp-shue:18015:24
WARNING (org.eclipse.che.ide.websocket.impl.BasicWebSocketEndpoint): Error occurred for endpoint ws://10.0.2.15:32772/wsagent?token= _app-0.js:17942:126
Firefox can’t establish a connection to the server at ws://10.0.2.15:32772/wsagent?token=. wksp-shue:18015:24
WARNING (org.eclipse.che.ide.websocket.impl.BasicWebSocketEndpoint): Error occurred for endpoint ws://10.0.2.15:32772/wsagent?token= _app-0.js:17942:126

27. Dez. 2018, 00:56 von yivantso@xxxxxxxxxx:
You may open browser dev console and look for failed requests there. 

On Thu, Dec 27, 2018, 03:37 <ernstchilders@xxxxxxxxxxxx wrote:
What do you mean by ephemeral port range?
All traffic on all ports (0-65536) are accessible on the server from the client machine.

Ernst


23. Dez. 2018, 00:17 von yivantso@xxxxxxxxxx:
It looks like the ephemeral port range is filtered. Make sure you open ports from this range.

On Sun, Dec 23, 2018, 03:43 Brad Micklea <bmicklea@xxxxxxxxxx wrote:
Hi, when you're in the create Workspaces page you'll also need to choose a stack - for example Java/Maven. There's a selection box in the top half of the page.

Then below that you'll see an optional dialog where you can add a sample project.

At that point you should see the create button enabled.


On Sat, Dec 22, 2018 at 13:18 <ernstchilders@xxxxxxxxxxxx> wrote:
Hello,
I am totally new to Eclipse Che, and I have problems to create my first project. I may be missing some important step during Che setup, but there were no errors, and workspace creation worked hasslefree.

What I did:
Launch an m4.large instance with Ubuntu 18.10 on Amazon EC2.
Run "sudo snap install docker"
Run "docker run -ti -v /var/run/docker.sock:/var/run/docker.sock -v $HOME/data:/data eclipse/che start" (from https://www.eclipse.org/che/docs/che-6/quick-start.html)
Open browser at <ip of instance>:8080
Create a Java workspace and open workspace in IDE
Click "Create Project"
Enter name.
-> All buttons (Back, Next, Create) are disabled. Also the "Parent: / ..." fields don't work. I attach a screenshot of this state, where I don't know how to proceed.

What's wrong, how do I get started to create a simple Java project?

By the way, at https://www.eclipse.org/che/docs/che-6/quick-start.html, the links in section "Next steps: Create and start your first workspace, import a project, and build and run your project." lead to "404 file not found" pages.

Thanks
Ernst
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