我尝试了很多东西,似乎我的项目执行了两次“maven-war-plugin”。
因此,我无法运行优化,例如将所有类合并到一个 jar 中(使用 maven shade 插件)。
我很确定 appengine-maven-plugin 正在调用 maven-war-plugin 来创建 appengine 打包。我知道这是因为我尝试删除自己对“maven-war-plugin”的定义,但它仍然“神奇地”执行。那样做有意义吗?
我的 pom.xml 是:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.3</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>war</goal>
</goals>
</execution>
</executions>
<configuration>
<webResources>
<!-- in order to interpolate version from pom into appengine-web.xml -->
<resource>
<directory>${basedir}/src/main/webapp/WEB-INF</directory>
<filtering>true</filtering>
<excludes>
<exclude>**/*.jar</exclude>
</excludes>
<targetPath>WEB-INF</targetPath>
</resource>
</webResources>
</configuration>
</plugin>
<plugin>
<groupId>com.google.appengine</groupId>
<artifactId>appengine-maven-plugin</artifactId>
<version>${appengine.target.version}</version>
<configuration>
<useJava7>true</useJava7>
<address>0.0.0.0</address>
<port>8080</port>
<compileEncoding>utf-8</compileEncoding>
<jvmFlags>
<jvmFlag>-XX:-UseSplitVerifier</jvmFlag>
<jvmFlag>-Xms512m</jvmFlag>
<jvmFlag>-Xmx2048m</jvmFlag>
<jvmFlag>-XX:NewSize=256m</jvmFlag>
<jvmFlag>-XX:MaxNewSize=256m</jvmFlag>
<jvmFlag>-XX:PermSize=512m</jvmFlag>
<jvmFlag>-XX:MaxPermSize=768m</jvmFlag>
<jvmFlag>-Xdebug</jvmFlag>
<jvmFlag>-agentlib:jdwp=transport=dt_socket,address=31337,server=y,suspend=n</jvmFlag>
</jvmFlags>
</configuration>
</plugin>