Hello! I tried to use the ClipboardHelper as shown in the code sample, but

Susanne12 · September 25, 2019, 1:39pm

Hello!
I tried to use the ClipboardHelper as shown in the code sample, but the page does not load any more with following error:

java.lang.IllegalStateException: Couldn't find the definition of the element with tag 'clipboard-helper' in any template file declared using '@JsModule' annotations. Check the availability of the template files in your WAR file or provide alternative implementation of the method getTemplateContent() which should return an element representing the content of the template file
	at com.vaadin.flow.component.polymertemplate.NpmTemplateParser.getTemplateContent(NpmTemplateParser.java:136)
	at com.vaadin.flow.component.polymertemplate.TemplateDataAnalyzer.parseTemplate(TemplateDataAnalyzer.java:200)
	at com.vaadin.flow.component.polymertemplate.TemplateInitializer.<init>(TemplateInitializer.java:91)
	at com.vaadin.flow.component.polymertemplate.PolymerTemplate.<init>(PolymerTemplate.java:88)
	at com.vaadin.flow.component.polymertemplate.PolymerTemplate.<init>(PolymerTemplate.java:103)
	at org.vaadin.olli.ClipboardHelper.<init>(ClipboardHelper.java:29)

ollit.1 · September 25, 2019, 3:07pm

Hi,

The add-on is not currently compatible with Vaadin 14 npm mode.

Susanne12 · September 25, 2019, 3:13pm

Sorry to hear that, but thanks for the very fast answer!

ollit.1 · September 26, 2019, 6:17am

I’ll see if I can find some time to update it in the near future.

-Olli

ollit.1 · October 3, 2019, 7:29am

The future is now.

Mark330 · January 11, 2020, 12:30am

I have the same error as above, wondering if there is any change with support for vaadin 14 npm mode?

ollit.1 · January 14, 2020, 1:15pm

No, the latest version should work with npm mode. If you can create a small sample project that reproduces the issue, I can take a look once I find some time.

Mark330 · January 16, 2020, 5:44pm

I noticed that I had a compile warning that my project was configured to use version 1.8 java system library, but that I had jdk 11 installed. I changed my project to use the version 11 java system library, and rebuilt my vaadin project. The warning went away, and happily the IllegalStateException I was getting with clipboard-helper has also gone away.