a maven error when compile client side widgets

[INFO]
Scanning for projects…
[INFO]

[INFO]

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Building administration.web 0.0.1-SNAPSHOT
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[INFO]

[INFO]
— vaadin-maven-plugin:7.6.8:update-widgetset (default-cli) @ administration.web —
[INFO]
auto discovered modules [com.geocom.administration.web.ui.login.client.LoginEntry]

[INFO]
Updating widgetset com.geocom.administration.web.ui.login.client.LoginEntry
[INFO]
Adding resource directory to command classpath: /Users/GeorgeZeng/work/workspaces/sts3.8/administration.web/src/main/resources
[INFO]
Adding resource directory to command classpath: /Users/GeorgeZeng/work/workspaces/sts3.8/administration.web/src/main/resources
[ERROR]
用法: java [-options]
class [args…]

[ERROR]
(执行类)
[ERROR]
或 java [-options]
-jar jarfile [args…]

[ERROR]
(执行 jar 文件)
[ERROR]
其中选项包括:
[ERROR]
-d32 使用 32 位数据模型 (如果可用)
[ERROR]
-d64 使用 64 位数据模型 (如果可用)
[ERROR]
-server 选择 “server” VM
[ERROR]
默认 VM 是 server,
[ERROR]
因为您是在服务器类计算机上运行。
[ERROR]

[ERROR]

[ERROR]
-cp <目录和 zip/jar 文件的类搜索路径>
[ERROR]
-classpath <目录和 zip/jar 文件的类搜索路径>
[ERROR]
用 : 分隔的目录, JAR 档案
[ERROR]
和 ZIP 档案列表, 用于搜索类文件。
[ERROR]
-D<名称>=<值>
[ERROR]
设置系统属性
[ERROR]
-verbose:[class|gc|jni]

[ERROR]
启用详细输出
[ERROR]
-version 输出产品版本并退出
[ERROR]
-version:<值>
[ERROR]
需要指定的版本才能运行
[ERROR]
-showversion 输出产品版本并继续
[ERROR]
-jre-restrict-search | -no-jre-restrict-search
[ERROR]
在版本搜索中包括/排除用户专用 JRE
[ERROR]
-? -help 输出此帮助消息
[ERROR]
-X 输出非标准选项的帮助
[ERROR]
-ea[:…|:]

[ERROR]
-enableassertions[:…|:]

[ERROR]
按指定的粒度启用断言
[ERROR]
-da[:…|:]

[ERROR]
-disableassertions[:…|:]

[ERROR]
禁用具有指定粒度的断言
[ERROR]
-esa | -enablesystemassertions
[ERROR]
启用系统断言
[ERROR]
-dsa | -disablesystemassertions
[ERROR]
禁用系统断言
[ERROR]
-agentlib:[=<选项>]

[ERROR]
加载本机代理库 , 例如 -agentlib:hprof
[ERROR]
另请参阅 -agentlib:jdwp=help 和 -agentlib:hprof=help
[ERROR]
-agentpath:[=<选项>]

[ERROR]
按完整路径名加载本机代理库
[ERROR]
-javaagent:[=<选项>]

[ERROR]
加载 Java 编程语言代理, 请参阅 java.lang.instrument
[ERROR]
-splash:
[ERROR]
使用指定的图像显示启动屏幕
[ERROR]
有关详细信息, 请参阅 http://www.oracle.com/technetwork/java/javase/documentation/index.html。
[ERROR]
/bin/sh: line 1: -Xss1024k: command not found
[INFO]

[INFO]
BUILD FAILURE
[INFO]

[INFO]
Total time: 2.242 s
[INFO]
Finished at: 2016-07-21T17:42:35+08:00
[INFO]
Final Memory: 19M/309M
[INFO]

[ERROR]
Failed to execute goal com.vaadin:vaadin-maven-plugin:7.6.8:update-widgetset (default-cli) on project administration.web: Command [[
[ERROR]
/bin/sh -c /Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/bin/java -Xmx512M
[ERROR]
-Xss1024k -classpath /Users/GeorgeZeng/work/workspaces/sts3.8/administration.web/src/main/java:/Users/GeorgeZeng/work/workspaces/sts3.8/administration.web/src/main/resources:/Users/GeorgeZeng/work/workspaces/sts3.8/administration.web/src/main/resources:/Users/GeorgeZeng/work/workspaces/sts3.8/administration.web/target/classes:/Users/GeorgeZeng/work/workspaces/sts3.8/administration.web/src/main/java:/Users/GeorgeZeng/work/workspaces/sts3.8/administration.web/src/main/resources:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-starter-data-jpa/1.3.6.RELEASE/spring-boot-starter-data-jpa-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-starter/1.3.6.RELEASE/spring-boot-starter-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-starter-logging/1.3.6.RELEASE/spring-boot-starter-logging-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/ch/qos/logback/logback-classic/1.1.7/logback-classic-1.1.7.jar:/Users/GeorgeZeng/work/maven/libs/ch/qos/logback/logback-core/1.1.7/logback-core-1.1.7.jar:/Users/GeorgeZeng/work/maven/libs/org/slf4j/jul-to-slf4j/1.7.21/jul-to-slf4j-1.7.21.jar:/Users/GeorgeZeng/work/maven/libs/org/slf4j/log4j-over-slf4j/1.7.21/log4j-over-slf4j-1.7.21.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-starter-aop/1.3.6.RELEASE/spring-boot-starter-aop-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/aspectj/aspectjweaver/1.8.9/aspectjweaver-1.8.9.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-starter-jdbc/1.3.6.RELEASE/spring-boot-starter-jdbc-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/tomcat/tomcat-jdbc/8.0.36/tomcat-jdbc-8.0.36.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/tomcat/tomcat-juli/8.0.36/tomcat-juli-8.0.36.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-jdbc/4.2.7.RELEASE/spring-jdbc-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/hibernate/hibernate-entitymanager/4.3.11.Final/hibernate-entitymanager-4.3.11.Final.jar:/Users/GeorgeZeng/work/maven/libs/org/jboss/logging/jboss-logging/3.3.0.Final/jboss-logging-3.3.0.Final.jar:/Users/GeorgeZeng/work/maven/libs/org/jboss/logging/jboss-logging-annotations/1.2.0.Beta1/jboss-logging-annotations-1.2.0.Beta1.jar:/Users/GeorgeZeng/work/maven/libs/org/hibernate/hibernate-core/4.3.11.Final/hibernate-core-4.3.11.Final.jar:/Users/GeorgeZeng/work/maven/libs/antlr/antlr/2.7.7/antlr-2.7.7.jar:/Users/GeorgeZeng/work/maven/libs/org/jboss/jandex/1.1.0.Final/jandex-1.1.0.Final.jar:/Users/GeorgeZeng/work/maven/libs/dom4j/dom4j/1.6.1/dom4j-1.6.1.jar:/Users/GeorgeZeng/work/maven/libs/org/hibernate/common/hibernate-commons-annotations/4.0.5.Final/hibernate-commons-annotations-4.0.5.Final.jar:/Users/GeorgeZeng/work/maven/libs/org/hibernate/javax/persistence/hibernate-jpa-2.1-api/1.0.0.Final/hibernate-jpa-2.1-api-1.0.0.Final.jar:/Users/GeorgeZeng/work/maven/libs/org/javassist/javassist/3.18.1-GA/javassist-3.18.1-GA.jar:/Users/GeorgeZeng/work/maven/libs/javax/transaction/javax.transaction-api/1.2/javax.transaction-api-1.2.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/data/spring-data-jpa/1.9.4.RELEASE/spring-data-jpa-1.9.4.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/data/spring-data-commons/1.11.4.RELEASE/spring-data-commons-1.11.4.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-orm/4.2.7.RELEASE/spring-orm-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-context/4.2.7.RELEASE/spring-context-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-tx/4.2.7.RELEASE/spring-tx-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-beans/4.2.7.RELEASE/spring-beans-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/slf4j/slf4j-api/1.7.21/slf4j-api-1.7.21.jar:/Users/GeorgeZeng/work/maven/libs/org/slf4j/jcl-over-slf4j/1.7.21/jcl-over-slf4j-1.7.21.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-aspects/4.2.7.RELEASE/spring-aspects-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-starter-security/1.3.6.RELEASE/spring-boot-starter-security-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-aop/4.2.7.RELEASE/spring-aop-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/aopalliance/aopalliance/1.0/aopalliance-1.0.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/security/spring-security-config/4.0.4.RELEASE/spring-security-config-4.0.4.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/security/spring-security-core/4.0.4.RELEASE/spring-security-core-4.0.4.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/security/spring-security-web/4.0.4.RELEASE/spring-security-web-4.0.4.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-expression/4.2.7.RELEASE/spring-expression-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-web/4.2.7.RELEASE/spring-web-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-spring-boot-starter/1.0.0/vaadin-spring-boot-starter-1.0.0.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-spring-boot/1.0.0/vaadin-spring-boot-1.0.0.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-spring/1.0.0/vaadin-spring-1.0.0.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-webmvc/4.2.7.RELEASE/spring-webmvc-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-starter-web/1.3.6.RELEASE/spring-boot-starter-web-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-starter-tomcat/1.3.6.RELEASE/spring-boot-starter-tomcat-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/tomcat/embed/tomcat-embed-core/8.0.36/tomcat-embed-core-8.0.36.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/tomcat/embed/tomcat-embed-el/8.0.36/tomcat-embed-el-8.0.36.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/tomcat/embed/tomcat-embed-logging-juli/8.0.36/tomcat-embed-logging-juli-8.0.36.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/tomcat/embed/tomcat-embed-websocket/8.0.36/tomcat-embed-websocket-8.0.36.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-starter-validation/1.3.6.RELEASE/spring-boot-starter-validation-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/hibernate/hibernate-validator/5.2.4.Final/hibernate-validator-5.2.4.Final.jar:/Users/GeorgeZeng/work/maven/libs/com/fasterxml/classmate/1.1.0/classmate-1.1.0.jar:/Users/GeorgeZeng/work/maven/libs/com/fasterxml/jackson/core/jackson-databind/2.6.7/jackson-databind-2.6.7.jar:/Users/GeorgeZeng/work/maven/libs/com/fasterxml/jackson/core/jackson-annotations/2.6.7/jackson-annotations-2.6.7.jar:/Users/GeorgeZeng/work/maven/libs/com/fasterxml/jackson/core/jackson-core/2.6.7/jackson-core-2.6.7.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-themes/7.6.8/vaadin-themes-7.6.8.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-client-compiled/7.6.8/vaadin-client-compiled-7.6.8.jar:/Users/GeorgeZeng/work/maven/libs/com/typesafe/config/1.3.0/config-1.3.0.jar:/Users/GeorgeZeng/work/maven/libs/javax/validation/validation-api/1.1.0.Final/validation-api-1.1.0.Final.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-client-compiler/7.6.8/vaadin-client-compiler-7.6.8.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-shared/7.6.8/vaadin-shared-7.6.8.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/external/flute/flute/1.3.0.gg2/flute-1.3.0.gg2.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/external/streamhtmlparser/streamhtmlparser-jsilver/0.0.10.vaadin1/streamhtmlparser-jsilver-0.0.10.vaadin1.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/external/google/guava/16.0.1.vaadin1/guava-16.0.1.vaadin1.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-server/7.6.8/vaadin-server-7.6.8.jar:/Users/GeorgeZeng/work/maven/libs/org/jsoup/jsoup/1.8.3/jsoup-1.8.3.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-sass-compiler/0.9.13/vaadin-sass-compiler-0.9.13.jar:/Users/GeorgeZeng/work/maven/libs/com/yahoo/platform/yui/yuicompressor/2.4.8/yuicompressor-2.4.8.jar:/Users/GeorgeZeng/work/maven/libs/rhino/js/1.7R2/js-1.7R2.jar:/Users/GeorgeZeng/work/maven/libs/commons-collections/commons-collections/3.2.2/commons-collections-3.2.2.jar:/Users/GeorgeZeng/work/maven/libs/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar:/Users/GeorgeZeng/work/maven/libs/ant/ant/1.6.5/ant-1.6.5.jar:/Users/GeorgeZeng/work/maven/libs/net/sourceforge/cssparser/cssparser/0.9.11/cssparser-0.9.11.jar:/Users/GeorgeZeng/work/maven/libs/ant/ant-launcher/1.6.5/ant-launcher-1.6.5.jar:/Users/GeorgeZeng/work/maven/libs/org/ow2/asm/asm/5.0.3/asm-5.0.3.jar:/Users/GeorgeZeng/work/maven/libs/org/ow2/asm/asm-util/5.0.3/asm-util-5.0.3.jar:/Users/GeorgeZeng/work/maven/libs/org/ow2/asm/asm-tree/5.0.3/asm-tree-5.0.3.jar:/Users/GeorgeZeng/work/maven/libs/org/ow2/asm/asm-commons/5.0.3/asm-commons-5.0.3.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-annotations/9.2.17.v20160517/jetty-annotations-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-plus/9.2.17.v20160517/jetty-plus-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-jndi/9.2.17.v20160517/jetty-jndi-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-webapp/9.2.17.v20160517/jetty-webapp-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-xml/9.2.17.v20160517/jetty-xml-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-servlet/9.2.17.v20160517/jetty-servlet-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-security/9.2.17.v20160517/jetty-security-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-server/9.2.17.v20160517/jetty-server-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/javax/servlet/javax.servlet-api/3.1.0/javax.servlet-api-3.1.0.jar:/Users/GeorgeZeng/work/maven/libs/javax/annotation/javax.annotation-api/1.2/javax.annotation-api-1.2.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-servlets/9.2.17.v20160517/jetty-servlets-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-continuation/9.2.17.v20160517/jetty-continuation-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-http/9.2.17.v20160517/jetty-http-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-io/9.2.17.v20160517/jetty-io-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/eclipse/jetty/jetty-util/9.2.17.v20160517/jetty-util-9.2.17.v20160517.jar:/Users/GeorgeZeng/work/maven/libs/org/jdesktop/swing-worker/1.1/swing-worker-1.1.jar:/Users/GeorgeZeng/work/maven/libs/commons-codec/commons-codec/1.8/commons-codec-1.8.jar:/Users/GeorgeZeng/work/maven/libs/commons-io/commons-io/2.4/commons-io-2.4.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/commons/commons-lang3/3.1/commons-lang3-3.1.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/james/apache-mime4j/0.6/apache-mime4j-0.6.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/httpcomponents/httpclient/4.5.2/httpclient-4.5.2.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/httpcomponents/httpcore/4.4.5/httpcore-4.4.5.jar:/Users/GeorgeZeng/work/maven/libs/org/apache/httpcomponents/httpmime/4.5.2/httpmime-4.5.2.jar:/Users/GeorgeZeng/work/maven/libs/net/sourceforge/nekohtml/nekohtml/1.9.22/nekohtml-1.9.22.jar:/Users/GeorgeZeng/work/maven/libs/xalan/serializer/2.7.1/serializer-2.7.1.jar:/Users/GeorgeZeng/work/maven/libs/xerces/xercesImpl/2.11.0/xercesImpl-2.11.0.jar:/Users/GeorgeZeng/work/maven/libs/xml-apis/xml-apis/1.4.01/xml-apis-1.4.01.jar:/Users/GeorgeZeng/work/maven/libs/com/ibm/icu/icu4j/50.1.1/icu4j-50.1.1.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-client-compiler-deps/1.2.0/vaadin-client-compiler-deps-1.2.0.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-client/7.6.8/vaadin-client-7.6.8.jar:/Users/GeorgeZeng/work/maven/libs/org/w3c/css/sac/1.3/sac-1.3.jar:/Users/GeorgeZeng/work/maven/libs/javax/validation/validation-api/1.0.0.GA/validation-api-1.0.0.GA-sources.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot/1.3.6.RELEASE/spring-boot-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/boot/spring-boot-autoconfigure/1.3.6.RELEASE/spring-boot-autoconfigure-1.3.6.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/org/springframework/spring-core/4.2.7.RELEASE/spring-core-4.2.7.RELEASE.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-client/7.6.8/vaadin-client-7.6.8.jar:/Users/GeorgeZeng/work/maven/libs/com/vaadin/vaadin-client-compiler/7.6.8/vaadin-client-compiler-7.6.8.jar com.vaadin.server.widgetsetutils.WidgetSetBuilder com.geocom.administration.web.ui.login.client.LoginEntry
[ERROR]
]] failed with status 127
[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

here is my pom.xml setting

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

<modelVersion>4.0.0</modelVersion>




<groupId>com.geocom</groupId>

<artifactId>administration.web</artifactId>

    <version>0.0.1-SNAPSHOT</version>

<packaging>jar</packaging>




    <name>administration.web</name>

    <description>Demo project for administration web application</description>

    

<parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>1.3.6.RELEASE</version>

        <relativePath /> <!-- lookup parent from repository -->

</parent>




<properties>

        <vaadin.version>7.6.8</vaadin.version>

        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

        <java.version>1.8</java.version>

</properties>




<dependencies>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-data-jpa</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-security</artifactId>

        </dependency>

        <dependency>

            <groupId>com.vaadin</groupId>

            <artifactId>vaadin-spring-boot-starter</artifactId>

            <version>1.0.0</version>

        </dependency>

        <dependency>

            <groupId>com.typesafe</groupId>

            <artifactId>config</artifactId>

            <version>1.3.0</version>

        </dependency>

        <dependency>

            <groupId>javax.validation</groupId>

            <artifactId>validation-api</artifactId>

            <version>1.1.0.Final</version>

        </dependency>

        <dependency>

            <groupId>com.vaadin</groupId>

            <artifactId>vaadin-client-compiler</artifactId>

        </dependency>




        <dependency>

            <groupId>com.vaadin</groupId>

            <artifactId>vaadin-client</artifactId>

            <scope>provided</scope>

        </dependency>

        




        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-devtools</artifactId>

            <optional>true</optional>

            <scope>runtime</scope>

        </dependency>

        <dependency>

            <groupId>mysql</groupId>

            <artifactId>mysql-connector-java</artifactId>

            <scope>runtime</scope>

        </dependency>

        <dependency>

            <groupId>org.apache.commons</groupId>

            <artifactId>commons-dbcp2</artifactId>

            <scope>runtime</scope>

        </dependency>







        <dependency>

            <groupId>com.h2database</groupId>

            <artifactId>h2</artifactId>

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-test</artifactId>

            <scope>test</scope>

        </dependency>

</dependencies>




<dependencyManagement>

        <dependencies>

            <dependency>

                <groupId>com.vaadin</groupId>

                <artifactId>vaadin-bom</artifactId>

                <version>${vaadin.version}</version>

                <type>pom</type>

                <scope>import</scope>

            </dependency>

        </dependencies>

</dependencyManagement>




<build>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

            </plugin>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-war-plugin</artifactId>

                <configuration>

                    <failOnMissingWebXml>false</failOnMissingWebXml>

                    <packagingExcludes>

                        WEB-INF/classes/VAADIN/gwt-unitCache/**,

                        WEB-INF/classes/VAADIN/widgetsets/WEB-INF/**

                    </packagingExcludes>

                </configuration>

            </plugin>

            <plugin>

                <groupId>com.vaadin</groupId>

                <artifactId>vaadin-maven-plugin</artifactId>

                <version>${vaadin.version}</version>

                <configuration>

                    <extraJvmArgs>

                        -Xmx512M

                        -Xss1024k

                    </extraJvmArgs>

                    <webappDirectory>${basedir}/target/classes/VAADIN/widgetsets</webappDirectory>

                    <draftCompile>false</draftCompile>

                    <compileReport>false</compileReport>

                    <style>OBF</style>

                    <strict>true</strict>

                </configuration>

                <executions>

                    <execution>

                        <goals>

                            <goal>update-theme</goal>

                            <goal>update-widgetset</goal>

                            <goal>compile</goal>

                            <goal>compile-theme</goal>

                        </goals>

                    </execution>

                </executions>

            </plugin>

        </plugins>

</build>







</project>
-Xmx512M -Xss1024k

fixed, because i tried to format the xml file by myself…, cannot make this in two lines