Cannot run as a "maven install" a project. It shows the error code below. C


T E S T S

Results :

Tests run: 0, Failures: 0, Errors: 0, Skipped: 0

[INFO]

[INFO]

vaadin-maven-plugin:7.1.11:compile (default) @ welcome-kit >>>
[INFO]

[INFO]
— vaadin-maven-plugin:7.1.11:update-theme (default) @ welcome-kit —
[INFO]
Updating theme VAADIN\themes\wk
[INFO]
Widgetsets found from classpath:
[INFO]
it.gepo.wk.web.AppWidgetSet in file://C/Projects/WelcomeKit/workspace/welcome-kit/target/classes
[INFO]
com.vaadin.DefaultWidgetSet in jar:file:C:/Projects/WelcomeKit/repository/com/vaadin/vaadin-client/7.1.11/vaadin-client-7.1.11.jar!/
[INFO]
com.ejt.vaadin.loginform.WidgetSet in jar:file:C:/Projects/WelcomeKit/repository/org/vaadin/addons/loginform/0.3/loginform-0.3.jar!/
[INFO]
org.vaadin.alump.scaleimage.gwt.ScaleImageWidgetset in jar:file:C:/Projects/WelcomeKit/repository/org/vaadin/alump/scaleimage/scaleimage-addon/0.2.0/scaleimage-addon-0.2.0.jar!/
[INFO]
Addon styles found from classpath:
[INFO]

[INFO]
Search took 24ms
[INFO]
Theme “VAADIN\themes\wk” updated
[INFO]

[INFO]
— cxf-codegen-plugin:2.7.7:wsdl2java (generate-sources) @ welcome-kit —
[INFO]
Using proxy server configured in maven.
[INFO]

[INFO]
— vaadin-maven-plugin:7.1.11:compile-theme (default) @ welcome-kit —
[INFO]
Updating theme VAADIN\themes\wk
[INFO]
Theme “VAADIN\themes\wk” compiled
[INFO]

[INFO]
— maven-resources-plugin:2.6:resources (default-resources) @ welcome-kit —
[INFO]
Using ‘UTF-8’ encoding to copy filtered resources.
[INFO]
Copying 136 resources
[INFO]
Copying 9 resources
[INFO]
Copying 245 resources
[INFO]
Copying 3 resources
[INFO]

[INFO]
— vaadin-maven-plugin:7.1.11:resources (default) @ welcome-kit —
[INFO]
auto discovered modules [it.gepo.wk.web.AppWidgetSet]

[INFO]
1 source files from GWT module it.gepo.wk.web.AppWidgetSet
[INFO]

[INFO]
<<< vaadin-maven-plugin:7.1.11:compile (default) @ welcome-kit <<<
[INFO]

[INFO]
— vaadin-maven-plugin:7.1.11:compile (default) @ welcome-kit —
[INFO]
auto discovered modules [it.gepo.wk.web.AppWidgetSet]

[WARNING]
Failed to retrieve com.vaadin:vaadin-client-compiler based on project POM
[INFO]
Using com.vaadin:vaadin-client-compiler version 7.1.11
[ERROR]
Jun 26, 2014 12:21:00 PM java.util.prefs.WindowsPreferences
[ERROR]
WARNING: Could not open/create prefs root node Software\JavaSoft\Prefs at root 0x80000002. Windows RegCreateKeyEx(…) returned error code 5.
[INFO]
Compiling module it.gepo.wk.web.AppWidgetSet
[INFO]
[ERROR]
Unexpected internal compiler error
[INFO]
java.lang.NoSuchFieldError: warningThreshold
[INFO]
at com.google.gwt.dev.javac.JdtCompiler$1.(JdtCompiler.java:612)
[INFO]
at com.google.gwt.dev.javac.JdtCompiler.getCompilerOptions(JdtCompiler.java:610)
[INFO]
at com.google.gwt.dev.javac.JdtCompiler$CompilerImpl.(JdtCompiler.java:389)
[INFO]
at com.google.gwt.dev.javac.JdtCompiler.doCompile(JdtCompiler.java:939)
[INFO]
at com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:276)
[INFO]
at com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:499)
[INFO]
at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:423)
[INFO]
at com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:373)
[INFO]
at com.google.gwt.dev.Precompile.precompile(Precompile.java:246)
[INFO]
at com.google.gwt.dev.Precompile.precompile(Precompile.java:229)
[INFO]
at com.google.gwt.dev.Precompile.precompile(Precompile.java:141)
[INFO]
at com.google.gwt.dev.Compiler.run(Compiler.java:232)
[INFO]
at com.google.gwt.dev.Compiler.run(Compiler.java:198)
[INFO]
at com.google.gwt.dev.Compiler$1.run(Compiler.java:170)
[INFO]
at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:88)
[INFO]
at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:82)
[INFO]
at com.google.gwt.dev.Compiler.main(Compiler.java:177)
[INFO]

[INFO]
BUILD FAILURE
[INFO]

[INFO]
Total time: 9.875s
[INFO]
Finished at: Thu Jun 26 12:21:01 EEST 2014
[INFO]
Final Memory: 12M/30M
[INFO]

[ERROR]
Failed to execute goal com.vaadin:vaadin-maven-plugin:7.1.11:compile (default) on project welcome-kit: Command [[
[ERROR]
C:\Projects\WelcomeKit\tools\jdk\jdk1.7.0\jre\bin\java -Xmx512M -Xss1024k -classpath C:\Projects\WelcomeKit\workspace\welcome-kit\target\classes;C:\Projects\WelcomeKit\workspace\welcome-kit\src\main\java;C:\Projects\WelcomeKit\workspace\welcome-kit\target\generated\cxf;C:\Projects\WelcomeKit\workspace\welcome-kit\src\main\resources;C:\Projects\WelcomeKit\workspace\welcome-kit\src\main\webapp;C:\Projects\WelcomeKit\workspace\welcome-kit\src\test\java;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-server\7.1.11\vaadin-server-7.1.11.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-shared\7.1.11\vaadin-shared-7.1.11.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-shared-deps\1.0.2\vaadin-shared-deps-1.0.2.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-theme-compiler\7.1.11\vaadin-theme-compiler-7.1.11.jar;C:\Projects\WelcomeKit\repository\org\apache\commons\commons-jexl\2.1.1\commons-jexl-2.1.1.jar;C:\Projects\WelcomeKit\repository\net\sourceforge\cssparser\cssparser\0.9.5\cssparser-0.9.5.jar;C:\Projects\WelcomeKit\repository\commons-cli\commons-cli\1.2\commons-cli-1.2.jar;C:\Projects\WelcomeKit\repository\org\jsoup\jsoup\1.6.3\jsoup-1.6.3.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-client-compiled\7.1.11\vaadin-client-compiled-7.1.11.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-client\7.1.11\vaadin-client-7.1.11.jar;C:\Projects\WelcomeKit\repository\org\w3c\css\sac\1.3\sac-1.3.jar;C:\Projects\WelcomeKit\repository\javax\validation\validation-api\1.0.0.GA\validation-api-1.0.0.GA.jar;C:\Projects\WelcomeKit\repository\javax\validation\validation-api\1.0.0.GA\validation-api-1.0.0.GA-sources.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-push\7.1.11\vaadin-push-7.1.11.jar;C:\Projects\WelcomeKit\repository\com\vaadin\external\atmosphere\atmosphere-runtime\1.0.18.vaadin1\atmosphere-runtime-1.0.18.vaadin1.jar;C:\Projects\WelcomeKit\repository\com\vaadin\external\atmosphere\atmosphere-compat-jbossweb\1.0.18.vaadin1\atmosphere-compat-jbossweb-1.0.18.vaadin1.jar;C:\Projects\WelcomeKit\repository\com\vaadin\external\atmosphere\atmosphere-compat-tomcat\1.0.18.vaadin1\atmosphere-compat-tomcat-1.0.18.vaadin1.jar;C:\Projects\WelcomeKit\repository\com\vaadin\external\atmosphere\atmosphere-compat-tomcat7\1.0.18.vaadin1\atmosphere-compat-tomcat7-1.0.18.vaadin1.jar;C:\Projects\WelcomeKit\repository\com\vaadin\external\slf4j\vaadin-slf4j-jdk14\1.6.1\vaadin-slf4j-jdk14-1.6.1.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-themes\7.1.11\vaadin-themes-7.1.11.jar;C:\Projects\WelcomeKit\repository\javax\servlet\javax.servlet-api\3.0.1\javax.servlet-api-3.0.1.jar;C:\Projects\WelcomeKit\repository\org\vaadin\addons\loginform\0.3\loginform-0.3.jar;C:\Projects\WelcomeKit\repository\org\vaadin\alump\scaleimage\scaleimage-addon\0.2.0\scaleimage-addon-0.2.0.jar;C:\Projects\WelcomeKit\repository\com\vaadin\addon\jpacontainer\3.1.1\jpacontainer-3.1.1.jar;C:\Projects\WelcomeKit\repository\oracle\ojdbc\11.1.0.7.0\ojdbc-11.1.0.7.0.jar;C:\Projects\WelcomeKit\repository\org\hibernate\hibernate-core\4.1.7.Final\hibernate-core-4.1.7.Final.jar;C:\Projects\WelcomeKit\repository\antlr\antlr\2.7.7\antlr-2.7.7.jar;C:\Projects\WelcomeKit\repository\org\jboss\logging\jboss-logging\3.1.0.GA\jboss-logging-3.1.0.GA.jar;C:\Projects\WelcomeKit\repository\org\jboss\spec\javax\transaction\jboss-transaction-api_1.1_spec\1.0.0.Final\jboss-transaction-api_1.1_spec-1.0.0.Final.jar;C:\Projects\WelcomeKit\repository\dom4j\dom4j\1.6.1\dom4j-1.6.1.jar;C:\Projects\WelcomeKit\repository\org\hibernate\javax\persistence\hibernate-jpa-2.0-api\1.0.1.Final\hibernate-jpa-2.0-api-1.0.1.Final.jar;C:\Projects\WelcomeKit\repository\org\javassist\javassist\3.15.0-GA\javassist-3.15.0-GA.jar;C:\Projects\WelcomeKit\repository\org\hibernate\common\hibernate-commons-annotations\4.0.1.Final\hibernate-commons-annotations-4.0.1.Final.jar;C:\Projects\WelcomeKit\repository\org\hibernate\hibernate-c3p0\4.1.7.Final\hibernate-c3p0-4.1.7.Final.jar;C:\Projects\WelcomeKit\repository\c3p0\c3p0\0.9.1\c3p0-0.9.1.jar;C:\Projects\WelcomeKit\repository\org\hibernate\hibernate-ehcache\4.1.7.Final\hibernate-ehcache-4.1.7.Final.jar;C:\Projects\WelcomeKit\repository\net\sf\ehcache\ehcache-core\2.4.3\ehcache-core-2.4.3.jar;C:\Projects\WelcomeKit\repository\org\hibernate\hibernate-entitymanager\4.1.7.Final\hibernate-entitymanager-4.1.7.Final.jar;C:\Projects\WelcomeKit\repository\org\hibernate\hibernate-validator\4.1.0.Final\hibernate-validator-4.1.0.Final.jar;C:\Projects\WelcomeKit\repository\org\slf4j\slf4j-api\1.5.6\slf4j-api-1.5.6.jar;C:\Projects\WelcomeKit\repository\org\apache\commons\com.springsource.org.apache.commons.logging\1.1.1\com.springsource.org.apache.commons.logging-1.1.1.jar;C:\Projects\WelcomeKit\repository\org\slf4j\com.springsource.slf4j.log4j\1.5.6\com.springsource.slf4j.log4j-1.5.6.jar;C:\Projects\WelcomeKit\repository\org\slf4j\com.springsource.slf4j.api\1.5.6\com.springsource.slf4j.api-1.5.6.jar;C:\Projects\WelcomeKit\repository\org\apache\log4j\com.springsource.org.apache.log4j\1.2.15\com.springsource.org.apache.log4j-1.2.15.jar;C:\Projects\WelcomeKit\repository\org\springframework\spring-web\3.2.7.RELEASE\spring-web-3.2.7.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\spring-aop\3.2.7.RELEASE\spring-aop-3.2.7.RELEASE.jar;C:\Projects\WelcomeKit\repository\aopalliance\aopalliance\1.0\aopalliance-1.0.jar;C:\Projects\WelcomeKit\repository\org\springframework\spring-beans\3.2.7.RELEASE\spring-beans-3.2.7.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\spring-context\3.2.7.RELEASE\spring-context-3.2.7.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\spring-expression\3.2.7.RELEASE\spring-expression-3.2.7.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\spring-core\3.2.7.RELEASE\spring-core-3.2.7.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\spring-jdbc\3.2.7.RELEASE\spring-jdbc-3.2.7.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\spring-tx\3.2.7.RELEASE\spring-tx-3.2.7.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\spring-orm\3.2.7.RELEASE\spring-orm-3.2.7.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\batch\spring-batch-core\2.2.4.RELEASE\spring-batch-core-2.2.4.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\batch\spring-batch-infrastructure\2.2.4.RELEASE\spring-batch-infrastructure-2.2.4.RELEASE.jar;C:\Projects\WelcomeKit\repository\org\springframework\retry\spring-retry\1.0.2.RELEASE\spring-retry-1.0.2.RELEASE.jar;C:\Projects\WelcomeKit\repository\com\thoughtworks\xstream\xstream\1.3\xstream-1.3.jar;C:\Projects\WelcomeKit\repository\xpp3\xpp3_min\1.1.4c\xpp3_min-1.1.4c.jar;C:\Projects\WelcomeKit\repository\org\codehaus\jettison\jettison\1.1\jettison-1.1.jar;C:\Projects\WelcomeKit\repository\org\apache\shiro\shiro-core\1.2.3\shiro-core-1.2.3.jar;C:\Projects\WelcomeKit\repository\org\apache\shiro\shiro-spring\1.2.3\shiro-spring-1.2.3.jar;C:\Projects\WelcomeKit\repository\org\apache\shiro\shiro-web\1.2.3\shiro-web-1.2.3.jar;C:\Projects\WelcomeKit\repository\ru\xpoft\vaadin\spring-vaadin-integration\2.0.2\spring-vaadin-integration-2.0.2.jar;C:\Projects\WelcomeKit\repository\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Projects\WelcomeKit\repository\org\apache\commons\commons-lang3\3.3.2\commons-lang3-3.3.2.jar;C:\Projects\WelcomeKit\repository\org\apache\commons\commons-collections4\4.0\commons-collections4-4.0.jar;C:\Projects\WelcomeKit\repository\commons-beanutils\commons-beanutils\1.9.0\commons-beanutils-1.9.0.jar;C:\Projects\WelcomeKit\repository\commons-logging\commons-logging\1.1.1\commons-logging-1.1.1.jar;C:\Projects\WelcomeKit\repository\commons-collections\commons-collections\3.2.1\commons-collections-3.2.1.jar;C:\Projects\WelcomeKit\repository\commons-dbcp\commons-dbcp\1.4\commons-dbcp-1.4.jar;C:\Projects\WelcomeKit\repository\commons-pool\commons-pool\1.5.4\commons-pool-1.5.4.jar;C:\Projects\WelcomeKit\repository\junit\junit\4.8.1\junit-4.8.1.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-rt-frontend-jaxws\2.7.7\cxf-rt-frontend-jaxws-2.7.7.jar;C:\Projects\WelcomeKit\repository\xml-resolver\xml-resolver\1.2\xml-resolver-1.2.jar;C:\Projects\WelcomeKit\repository\asm\asm\3.3.1\asm-3.3.1.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-api\2.7.7\cxf-api-2.7.7.jar;C:\Projects\WelcomeKit\repository\org\codehaus\woodstox\woodstox-core-asl\4.2.0\woodstox-core-asl-4.2.0.jar;C:\Projects\WelcomeKit\repository\org\codehaus\woodstox\stax2-api\3.1.1\stax2-api-3.1.1.jar;C:\Projects\WelcomeKit\repository\org\apache\ws\xmlschema\xmlschema-core\2.0.3\xmlschema-core-2.0.3.jar;C:\Projects\WelcomeKit\repository\org\apache\geronimo\specs\geronimo-javamail_1.4_spec\1.7.1\geronimo-javamail_1.4_spec-1.7.1.jar;C:\Projects\WelcomeKit\repository\wsdl4j\wsdl4j\1.6.3\wsdl4j-1.6.3.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-rt-core\2.7.7\cxf-rt-core-2.7.7.jar;C:\Projects\WelcomeKit\repository\com\sun\xml\bind\jaxb-impl\2.2.6\jaxb-impl-2.2.6.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-rt-bindings-soap\2.7.7\cxf-rt-bindings-soap-2.7.7.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-rt-databinding-jaxb\2.7.7\cxf-rt-databinding-jaxb-2.7.7.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-rt-bindings-xml\2.7.7\cxf-rt-bindings-xml-2.7.7.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-rt-frontend-simple\2.7.7\cxf-rt-frontend-simple-2.7.7.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-rt-ws-addr\2.7.7\cxf-rt-ws-addr-2.7.7.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-rt-ws-policy\2.7.7\cxf-rt-ws-policy-2.7.7.jar;C:\Projects\WelcomeKit\repository\org\apache\neethi\neethi\3.0.2\neethi-3.0.2.jar;C:\Projects\WelcomeKit\repository\org\apache\cxf\cxf-rt-transports-http\2.7.7\cxf-rt-transports-http-2.7.7.jar;C:\Projects\WelcomeKit\repository\org\apache\pdfbox\pdfbox\1.8.3\pdfbox-1.8.3.jar;C:\Projects\WelcomeKit\repository\org\apache\pdfbox\fontbox\1.8.3\fontbox-1.8.3.jar;C:\Projects\WelcomeKit\repository\org\apache\pdfbox\jempbox\1.8.3\jempbox-1.8.3.jar;C:\Projects\WelcomeKit\repository\org\vaadin\addon\confirmdialog\2.0.5\confirmdialog-2.0.5.jar;C:\Projects\WelcomeKit\repository\org\apache\velocity\velocity\1.6.2\velocity-1.6.2.jar;C:\Projects\WelcomeKit\repository\commons-lang\commons-lang\2.4\commons-lang-2.4.jar;C:\Projects\WelcomeKit\repository\oro\oro\2.0.8\oro-2.0.8.jar;C:\Projects\WelcomeKit\repository\com\lowagie\itext\2.1.7\itext-2.1.7.jar;C:\Projects\WelcomeKit\repository\bouncycastle\bcmail-jdk14\138\bcmail-jdk14-138.jar;C:\Projects\WelcomeKit\repository\bouncycastle\bcprov-jdk14\138\bcprov-jdk14-138.jar;C:\Projects\WelcomeKit\repository\org\bouncycastle\bctsp-jdk14\1.38\bctsp-jdk14-1.38.jar;C:\Projects\WelcomeKit\repository\org\bouncycastle\bcprov-jdk14\1.38\bcprov-jdk14-1.38.jar;C:\Projects\WelcomeKit\repository\org\bouncycastle\bcmail-jdk14\1.38\bcmail-jdk14-1.38.jar;C:\Projects\WelcomeKit\repository\net\sf\jasperreports\jasperreports\5.5.0\jasperreports-5.5.0.jar;C:\Projects\WelcomeKit\repository\commons-digester\commons-digester\2.1\commons-digester-2.1.jar;C:\Projects\WelcomeKit\repository\jfree\jcommon\1.0.15\jcommon-1.0.15.jar;C:\Projects\WelcomeKit\repository\jfree\jfreechart\1.0.12\jfreechart-1.0.12.jar;C:\Projects\WelcomeKit\repository\xml-apis\xml-apis\1.3.02\xml-apis-1.3.02.jar;C:\Projects\WelcomeKit\repository\eclipse\jdtcore\3.1.0\jdtcore-3.1.0.jar;C:\Projects\WelcomeKit\repository\org\codehaus\castor\castor\1.2\castor-1.2.jar;C:\Projects\WelcomeKit\repository\com\fasterxml\jackson\core\jackson-core\2.1.4\jackson-core-2.1.4.jar;C:\Projects\WelcomeKit\repository\com\fasterxml\jackson\core\jackson-databind\2.1.4\jackson-databind-2.1.4.jar;C:\Projects\WelcomeKit\repository\com\fasterxml\jackson\core\jackson-annotations\2.1.4\jackson-annotations-2.1.4.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-client\7.1.11\vaadin-client-7.1.11.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-client-compiler\7.1.11\vaadin-client-compiler-7.1.11.jar;C:\Projects\WelcomeKit\repository\org\mortbay\jetty\jetty\6.1.11\jetty-6.1.11.jar;C:\Projects\WelcomeKit\repository\org\mortbay\jetty\jetty-util\6.1.11\jetty-util-6.1.11.jar;C:\Projects\WelcomeKit\repository\org\mortbay\jetty\servlet-api-2.5\6.1.11\servlet-api-2.5-6.1.11.jar;C:\Projects\WelcomeKit\repository\commons-io\commons-io\2.2\commons-io-2.2.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-shared\7.1.11\vaadin-shared-7.1.11.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-shared-deps\1.0.2\vaadin-shared-deps-1.0.2.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-client\7.1.11\vaadin-client-7.1.11.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-server\7.1.11\vaadin-server-7.1.11.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-theme-compiler\7.1.11\vaadin-theme-compiler-7.1.11.jar;C:\Projects\WelcomeKit\repository\org\apache\commons\commons-jexl\2.1.1\commons-jexl-2.1.1.jar;C:\Projects\WelcomeKit\repository\commons-logging\commons-logging\1.1.1\commons-logging-1.1.1.jar;C:\Projects\WelcomeKit\repository\org\w3c\css\sac\1.3\sac-1.3.jar;C:\Projects\WelcomeKit\repository\net\sourceforge\cssparser\cssparser\0.9.5\cssparser-0.9.5.jar;C:\Projects\WelcomeKit\repository\commons-cli\commons-cli\1.2\commons-cli-1.2.jar;C:\Projects\WelcomeKit\repository\org\jsoup\jsoup\1.6.3\jsoup-1.6.3.jar;C:\Projects\WelcomeKit\repository\javax\validation\validation-api\1.0.0.GA\validation-api-1.0.0.GA.jar;C:\Projects\WelcomeKit\repository\javax\validation\validation-api\1.0.0.GA\validation-api-1.0.0.GA-sources.jar;C:\Projects\WelcomeKit\repository\com\vaadin\vaadin-client-compiler-deps\1.0.2\vaadin-client-compiler-deps-1.0.2.jar;C:\Projects\WelcomeKit\repository\org\jdesktop\swing-worker\1.1\swing-worker-1.1.jar;C:\Projects\WelcomeKit\repository\commons-collections\commons-collections\3.1\commons-collections-3.1.jar;C:\Projects\WelcomeKit\repository\commons-lang\commons-lang\2.6\commons-lang-2.6.jar;C:\Projects\WelcomeKit\repository\org\apache\james\apache-mime4j\0.6\apache-mime4j-0.6.jar;C:\Projects\WelcomeKit\repository\ant\ant\1.6.5\ant-1.6.5.jar;C:\Projects\WelcomeKit\repository\commons-codec\commons-codec\1.3\commons-codec-1.3.jar;C:\Projects\WelcomeKit\repository\ant\ant-launcher\1.6.5\ant-launcher-1.6.5.jar com.google.gwt.dev.Compiler -logLevel INFO -style OBF -war C:\Projects\WelcomeKit\workspace\welcome-kit\src\main\webapp\VAADIN\widgetsets -localWorkers 4 -strict -XfragmentCount -1 -extra C:\Projects\WelcomeKit\workspace\welcome-kit\target\extra -compileReport -gen C:\Projects\WelcomeKit\workspace\welcome-kit\target.generated it.gepo.wk.web.AppWidgetSet
[ERROR]
]] failed with status 1
[ERROR]
→ [Help 1]

[ERROR]

[ERROR]
To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR]
Re-run Maven using the -X switch to enable full debug logging.
[ERROR]

[ERROR]
For more information about the errors and possible solutions, please read the following articles:
[ERROR]
[Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

Looks like your JDT versions are conflicting with GWT’s.

Try adding

true

to the configuration tag in your pom.xml.