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java – GWT Code Server使用maven原型未在新生成的项目中查找模

发布时间:2020-12-15 04:24:52 所属栏目:Java 来源:网络整理
导读:我已经和GWT和 eclipse合作了一段时间了,我想用maven和GWT插件(gwt-maven-plugin,enter link description here)玩一下.我试图在eclipse(Luna 4.4)中使用它,但很明显我没有正确地做到这一点,因为它非常脆弱,以至于当我改变了一些小的东西时IDE会覆盖它的设置
我已经和GWT和 eclipse合作了一段时间了,我想用maven和GWT插件(gwt-maven-plugin,enter link description here)玩一下.我试图在eclipse(Luna 4.4)中使用它,但很明显我没有正确地做到这一点,因为它非常脆弱,以至于当我改变了一些小的东西时IDE会覆盖它的设置时它会定期破坏pom.xml.所以我决定退后一步,消除eclipse的黑魔法,并从命令行从头开始一个新项目.

但是,我似乎无法掌握运行实际应用程序的问题,因为当我执行代码服务器时,导航到该页面,我看到以下消息:

Can't find any GWT Modules on this page.

显然,代码服务器正在运行,但模块文件似乎尚未托管. AFAIK我看到经过几个小时的自学(并找到http://blog.ltgt.net/how-does-gwts-super-dev-mode-work/)后,应该有第二个进程实际上代码服务器并行托管代码.用maven做这个的合适方法是什么?我应该打开第二个终端并与代码服务器并行运行码头或其他东西吗?如果是这样,有人可以给我一个提示,告诉我如何最有效地做到这一点?

提前致谢!

以下是我创建项目的方法:

mvn archetype:generate 
   -DarchetypeGroupId=org.codehaus.mojo 
   -DarchetypeArtifactId=gwt-maven-plugin 
   -DarchetypeVersion=2.7.0
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> maven-archetype-plugin:2.2:generate (default-cli) > generate-sources @ standalone-pom >>>
[INFO]
[INFO] <<< maven-archetype-plugin:2.2:generate (default-cli) < generate-sources @ standalone-pom <<<
[INFO]
[INFO] --- maven-archetype-plugin:2.2:generate (default-cli) @ standalone-pom ---
[INFO] Generating project in Interactive mode
[INFO] Archetype repository missing. Using the one from [org.codehaus.mojo:gwt-maven-plugin:2.7.0] found in catalog remote
Define value for property 'groupId': : com.mytest
Define value for property 'artifactId': : gwtmvntest
Define value for property 'version':  1.0-SNAPSHOT: :
Define value for property 'package':  com.mytest: : com.mytest.gwtmvntest
Define value for property 'module': : GwtMvnTest
Confirm properties configuration:
groupId: com.mytest
artifactId: gwtmvntest
version: 1.0-SNAPSHOT
package: com.mytest.gwtmvntest
module: GwtMvnTest
 Y: :
[INFO] ----------------------------------------------------------------------------
[INFO] Using following parameters for creating project from Archetype: gwt-maven-plugin:2.7.0
[INFO] ----------------------------------------------------------------------------
[INFO] Parameter: groupId,Value: com.mytest
[INFO] Parameter: artifactId,Value: gwtmvntest
[INFO] Parameter: version,Value: 1.0-SNAPSHOT
[INFO] Parameter: package,Value: com.mytest.gwtmvntest
[INFO] Parameter: packageInPathFormat,Value: com/mytest/gwtmvntest
[INFO] Parameter: package,Value: com.mytest.gwtmvntest
[INFO] Parameter: version,Value: 1.0-SNAPSHOT
[INFO] Parameter: module,Value: GwtMvnTest
[INFO] Parameter: groupId,Value: gwtmvntest
[INFO] project created from Archetype in dir: /private/tmp/mvn/gwtmvntest
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 08:12 min
[INFO] Finished at: 2015-01-14T12:59:17+01:00
[INFO] Final Memory: 15M/310M
[INFO] ------------------------------------------------------------------------

以下是我编译项目的方法:

mvn compile gwt:compile
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building GWT Maven Archetype 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- gwt-maven-plugin:2.7.0:generateAsync (default) @ gwtmvntest ---
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ gwtmvntest ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 2 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ gwtmvntest ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 6 source files to /private/tmp/mvn/gwtmvntest/target/gwtmvntest-1.0-SNAPSHOT/WEB-INF/classes
[INFO]
[INFO] --- gwt-maven-plugin:2.7.0:compile (default-cli) @ gwtmvntest ---
[INFO] Compiling module com.mytest.gwtmvntest.GwtMvnTest
[INFO]    Compiling 5 permutations
[INFO]       Compiling permutation 0...
[INFO]       Process output
[INFO]          Compiling
[INFO]             Compiling permutation 4...
[INFO]       Process output
[INFO]          Compiling
[INFO]             Compiling permutation 3...
[INFO]       Process output
[INFO]          Compiling
[INFO]             Compiling permutation 2...
[INFO]       Process output
[INFO]          Compiling
[INFO]             Compiling permutation 1...
[INFO]    Compile of permutations succeeded
[INFO]    Compilation succeeded -- 13.866s
[INFO] Linking into /private/tmp/mvn/gwtmvntest/target/gwtmvntest-1.0-SNAPSHOT/GwtMvnTest
[INFO]    Link succeeded
[INFO]    Linking succeeded -- 0.171s
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 18.228 s
[INFO] Finished at: 2015-01-14T13:07:07+01:00
[INFO] Final Memory: 22M/310M
[INFO] ------------------------------------------------------------------------

以下是我运行项目的方式:

mvn gwt:run-codeserver
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building GWT Maven Archetype 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> gwt-maven-plugin:2.7.0:run-codeserver (default-cli) > process-classes @ gwtmvntest >>>
[INFO]
[INFO] --- gwt-maven-plugin:2.7.0:generateAsync (default) @ gwtmvntest ---
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ gwtmvntest ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 2 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ gwtmvntest ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] <<< gwt-maven-plugin:2.7.0:run-codeserver (default-cli) < process-classes @ gwtmvntest <<<
[INFO]
[INFO] --- gwt-maven-plugin:2.7.0:run-codeserver (default-cli) @ gwtmvntest ---
[INFO] Turning off precompile in incremental mode.
[INFO] Super Dev Mode starting up
[INFO]    workDir: /var/folders/nk/58gyq85x7l3_mzb5rc0gw42w0000gn/T/gwt-codeserver-5859907708379954718.tmp
[INFO]    Loading Java files in com.mytest.gwtmvntest.GwtMvnTest.
[INFO]    Module setup completed in 11742 ms
[ERROR] 2015-01-14 13:14:35.800:INFO:oejs.Server:jetty-8.y.z-SNAPSHOT
[ERROR] 2015-01-14 13:14:35.833:INFO:oejs.AbstractConnector:Started SelectChannelConnector@127.0.0.1:9876
[INFO]
[INFO] The code server is ready at http://localhost:9876/

解决方法

使用GWT 2.7,您只需要启动mvn gwt:run,它将在封面下使用SuperDevMode,“重新编译加载”(而不是使用bookmarklet).
请注意,gwt:run不会复制您的src / main / webapp或您的依赖项,因此您可能必须运行mvn war:explosion(或mvn package)作为先决条件(并且每次更改src /中的文件时) main / webapp或者你需要刷新你的依赖项)

话虽这么说,除非您的项目非常简单,否则您应该尽早开始使用不同的Maven模块用于客户端和服务器代码;这是因为Maven坚持认为你不能在同一个POM中管理“GWT客户端类路径”和“服务器端类路径”.
我发布了原型以帮助设置所有内容:https://github.com/tbroyer/gwt-maven-archetypes(遗憾的是我没有时间将它们更新为GWT 2.7)无论是那个还是使用Gradle ……

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