vaadin-light's Introduction

Vaadin Light

Minimal Standalone Vaadin Application Jar with Maven (~ 6.2MB).

This project is a fork from samie's gist, to add some structure and upgrade the Vaadin version.

Compiling

To compile the entire project, run mvn package.

Running

To run the application, locate the generated jar file in the target directory, and run java -jar <filename>.jar, e.g:

java -jar target/vaadin-light-1.0-SNAPSHOT-jar-with-dependencies.jar

Then open http://localhost:8080/.

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vaadin-light's Issues

Small problem

Hey there! I have a small Problem...

I can't activate the productionMode
In my pom.xml I have follow add-ons from Vaadin, if I debug with jetty:run it works, but if I create the jar with your code, they won't work / won't show:

<dependency> <groupId>org.vaadin.ui</groupId> <artifactId>numberfield</artifactId> <version>0.2.0</version> </dependency> <dependency> <groupId>org.vaadin.teemu</groupId> <artifactId>switch</artifactId> <version>3.0.0</version> </dependency>

Did you may be know why this is so?

Kind regards
XeroxDev

Is this working in a docker environment?

Hey, I some how cant get this example running in docker, I always receive the following excepetion:

[main] INFO org.eclipse.jetty.util.log - Logging initialized @226ms to org.eclipse.jetty.util.log.Slf4jLog
[main] INFO org.eclipse.jetty.server.Server - jetty-9.4.z-SNAPSHOT; built: 2019-04-29T20:42:08.989Z; git: e1bc35120a6617ee3df052294e433f3a25ce7097; jvm 1.8.0_111-8u111-b14-2~bpo8+1-b14
[main] WARN org.eclipse.jetty.webapp.WebAppContext - Failed startup of context o.e.j.w.WebAppContext@1a407d53{/,jar:file:/usr/app/jk-1.2-SNAPSHOT-jar-with-dependencies.jar!/webapp/,UNAVAILABLE}
java.util.zip.ZipException: error in opening zip file
        at java.util.zip.ZipFile.open(Native Method)
        at java.util.zip.ZipFile.<init>(ZipFile.java:219)
        at java.util.zip.ZipFile.<init>(ZipFile.java:149)
        at java.util.jar.JarFile.<init>(JarFile.java:166)
        at java.util.jar.JarFile.<init>(JarFile.java:103)
        at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
        at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
        at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:84)
        at sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
        at sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
        at org.eclipse.jetty.webapp.MetaInfConfiguration.getTlds(MetaInfConfiguration.java:438)
        at org.eclipse.jetty.webapp.MetaInfConfiguration.scanForTlds(MetaInfConfiguration.java:355)
        at org.eclipse.jetty.webapp.MetaInfConfiguration.scanJars(MetaInfConfiguration.java:173)
        at org.eclipse.jetty.webapp.MetaInfConfiguration.preConfigure(MetaInfConfiguration.java:102)
        at org.eclipse.jetty.webapp.WebAppContext.preConfigure(WebAppContext.java:506)
        at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:544)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:167)
        at org.eclipse.jetty.server.Server.start(Server.java:418)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:113)
        at org.eclipse.jetty.server.Server.doStart(Server.java:382)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
        at io.taliox.App.main(App.java:37)
[main] INFO org.eclipse.jetty.server.AbstractConnector - Started ServerConnector@71e7a66b{HTTP/1.1,[http/1.1]}{0.0.0.0:9091}
[main] INFO org.eclipse.jetty.server.Server - Started @732ms

This exception occurs when I start my container.

This only happens in a docker environment though, if I start the App locally everything works fine. This is my dockerimage:

The way I build the .jar is simply mvn clean package -Pproduction-mode

FROM java:8
VOLUME /tmp
COPY ./target /usr/app/
WORKDIR /usr/app
RUN sh -c 'touch jk-1.2-SNAPSHOT-jar-with-dependencies.jar'
ENTRYPOINT ["java","-jar","jk-1.2-SNAPSHOT-jar-with-dependencies.jar"]

Any ideas why this is not working in Docker for me? It must be somehow related to a missing / unavailable /webapp/ folder I assume.

Is this standalone intended to work in docker? Maybe I did a mistake while importing and slightly adapting the project? :/ Thanks in advance!

Question regarding extensions

Hi, this project helped me a lot. Could you tell me if there is a way to extend it with some addon? Also, I will need support for push. Do you think it is possible to have it here?

Thanks in advance.

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amahdy / vaadin-light Goto Github PK

vaadin-light's Introduction

Vaadin Light

Compiling

Running

vaadin-light's People

Contributors

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vaadin-light's Issues

Small problem

Is this working in a docker environment?

Question regarding extensions

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