I have error when to build new vaadin project using maven. I had no problem when I create project using ivy.
Error messages:
[INFO]
— maven-compiler-plugin:3.0:compile (default-compile) @ demo-widgetset —
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Changes detected - recompiling the module!
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Compiling 4 source files to /Users/helmi/Documents/workspace/demo/demo-widgetset/target/classes
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Reactor Summary:
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demo-parent … SUCCESS [ 0.322 s]
[INFO]
demo-widgetset … FAILURE [ 1.171 s]
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demo-backend … SKIPPED
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demo-ui … SKIPPED
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demo-production … SKIPPED
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BUILD FAILURE
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Total time: 1.738 s
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Finished at: 2016-06-23T07:58:40+08:00
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Final Memory: 9M/23M
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[ERROR]
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.0:compile (default-compile) on project demo-widgetset: Fatal error compiling: invalid target release: 1.8 → [Help 1]
[ERROR]
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To see the full stack trace of the errors, re-run Maven with the -e switch.
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Re-run Maven using the -X switch to enable full debug logging.
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For more information about the errors and possible solutions, please read the following articles:
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[Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
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After correcting the problems, you can resume the build with the command
[ERROR]
mvn -rf :demo-widgetset