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Caused by: java.lang.NoClassDefFoundError: com/vaadin/v7/ui/Upload$Receiver #35

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tstsogoo opened this issue Jun 13, 2018 · 1 comment
Open

Caused by: java.lang.NoClassDefFoundError: com/vaadin/v7/ui/Upload$Receiver #35

tstsogoo opened this issue Jun 13, 2018 · 1 comment

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@tstsogoo
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vaadin 8.4.3
@mstahv
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mstahv commented Jun 21, 2018

The module appears to be needing the v4 compatibility package at least with the UploadField component. So add this to your pom file and it should work:

<dependency>
  <groupId>com.vaadin</groupId>
  <artifactId>vaadin-compatibility-server</artifactId>
  <version>8.0.0</version>
</dependency>

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@mstahv @tstsogoo