使用最新插件将Google App Engine从Java 7升级到Java 8的例外

Question

在当前版本中，我们使用的是Googleappengine SDK版本（1.9.25）和Java7。为了在项目中使用旧的Google插件。

现在Java 7不赞成使用GAE。因此我们开始将项目迁移到新插件（SDK版本-1.9.64）和Java 8。

我引荐这些网站来转换maven应用程序。

https://cloud.google.com/appengine/docs/deprecations/java7
https://cloud.google.com/appengine/docs/standard/java/migrating-to-java8
https://cloud.google.com/endpoints/docs/frameworks/java/migrating

web.xml：

<filter>
        <filter-name>ObjectifyFilter</filter-name>
        <filter-class>com.googlecode.objectify.ObjectifyFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>ObjectifyFilter</filter-name>
        <url-pattern>/*</url-pattern>
        <!-- Next three lines are for request dispatcher actions -->
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>INCLUDE</dispatcher>
        <dispatcher>FORWARD</dispatcher>
    </filter-mapping>
    <filter>
        <filter-name>guiceFilter</filter-name>
        <filter-class>com.google.inject.servlet.GuiceFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>guiceFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <servlet>
        <servlet-name>Rest_api</servlet-name>
        <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
        <init-param>
            <param-name>javax.ws.rs.Application</param-name>
            <param-value>com.back2family.app.config.JerseyConfiguration</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>Rest_api</servlet-name>
        <url-pattern>/app/rest/*</url-pattern>
    </servlet-mapping>

pom.xml

<dependencies>
        <dependency>
            <groupId>com.google.appengine</groupId>
            <artifactId>appengine-endpoints</artifactId>
            <version>1.9.64</version>
        </dependency>
        <dependency>
            <groupId>org.eclipse.persistence</groupId>
            <artifactId>javax.persistence</artifactId>
            <version>2.1.0</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>com.google.appengine.orm</groupId>
            <artifactId>datanucleus-appengine</artifactId>
            <version>2.1.2</version>
        </dependency>
        <dependency>
            <groupId>com.google.appengine</groupId>
            <artifactId>appengine-api-1.0-sdk</artifactId>
            <version>1.9.64</version>
        </dependency>
        <dependency>
            <groupId>com.google.endpoints</groupId>
            <artifactId>endpoints-framework</artifactId>
            <version>2.1.0</version>
        </dependency>
        <dependency>
            <groupId>com.google.cloud</groupId>
            <artifactId>google-cloud-datastore</artifactId>
            <version>1.35.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.googlecode.objectify/objectify -->
        <dependency>
            <groupId>com.googlecode.objectify</groupId>
            <artifactId>objectify</artifactId>
            <version>5.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/javax.ws.rs/javax.ws.rs-api -->
        <dependency>
            <groupId>javax.ws.rs</groupId>
            <artifactId>javax.ws.rs-api</artifactId>
            <version>2.1</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.8.5</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.glassfish.hk2/hk2-api -->
        <dependency>
            <groupId>org.glassfish.hk2</groupId>
            <artifactId>hk2-api</artifactId>
            <version>2.5.0-b61</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.inject</groupId>
            <artifactId>jersey-hk2</artifactId>
            <version>2.26</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.googlecode.json-simple/json-simple -->
        <dependency>
            <groupId>com.googlecode.json-simple</groupId>
            <artifactId>json-simple</artifactId>
            <version>1.1.1</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.google.inject/guice -->
        <dependency>
            <groupId>com.google.inject</groupId>
            <artifactId>guice</artifactId>
            <version>3.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.google.inject.extensions/guice-servlet -->
        <dependency>
            <groupId>com.google.inject.extensions</groupId>
            <artifactId>guice-servlet</artifactId>
            <version>4.2.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/commons-lang/commons-lang -->
        <dependency>
            <groupId>commons-lang</groupId>
            <artifactId>commons-lang</artifactId>
            <version>2.6</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.glassfish.jersey.core/jersey-server -->
        <dependency>
            <groupId>org.glassfish.jersey.core</groupId>
            <artifactId>jersey-server</artifactId>
            <version>2.27</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.glassfish.hk2/guice-bridge -->
        <dependency>
            <groupId>org.glassfish.hk2</groupId>
            <artifactId>guice-bridge</artifactId>
            <version>2.5.0-b61</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>3.8</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.glassfish.jersey.containers/jersey-container-servlet-core -->
        <dependency>
            <groupId>org.glassfish.jersey.containers</groupId>
            <artifactId>jersey-container-servlet-core</artifactId>
            <version>2.27</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.json/json -->
        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20180130</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.floreysoft/jmte -->
        <dependency>
            <groupId>com.floreysoft</groupId>
            <artifactId>jmte</artifactId>
            <version>5.0.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.sendgrid/sendgrid-java -->
        <dependency>
            <groupId>com.sendgrid</groupId>
            <artifactId>sendgrid-java</artifactId>
            <version>2.2.2</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.googlecode.libphonenumber/libphonenumber -->
        <dependency>
            <groupId>com.googlecode.libphonenumber</groupId>
            <artifactId>libphonenumber</artifactId>
            <version>8.9.9</version>
        </dependency>
    </dependencies>

像这样获取异常

控制台日志：

Jul 02, 2018 10:16:36 AM org.glassfish.jersey.server.ServerRuntime$Responder process
SEVERE: Error occurred when processing a response created from an already mapped exception.
Jul 02, 2018 10:16:36 AM org.glassfish.jersey.message.internal.WriterInterceptorExecutor$TerminalWriterInterceptor aroundWriteTo
SEVERE: MessageBodyWriter not found for media type=application/json, type=class com.back2family.app.rest.StandardResponse, genericType=class com.back2family.app.rest.StandardResponse.
Jul 02, 2018 10:16:36 AM org.glassfish.jersey.server.ServerRuntime$Responder process
SEVERE: Error occurred when processing a response created from an already mapped exception.
2018-07-02 10:16:36.738:WARN:oejs.ServletHandler:qtp1020923989-49: 
javax.servlet.ServletException: javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
    at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:432)
    at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370)
    at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389)
    at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342)
    at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1772)
    at com.googlecode.objectify.cache.AsyncCacheFilter.doFilter(AsyncCacheFilter.java:58)
    at com.googlecode.objectify.ObjectifyFilter.doFilter(ObjectifyFilter.java:48)