[英]How to design for JPA in a non-Java EE web server (e.g. Tomcat)
[英]How to launch gwt-project on external server, e.g. tomcat?
我在Eclipse上用gwt-plugin在本地主机上部署了gwt项目。 一切正常。 但是,当我尝试从(Tomcat)外部启动应用程序时,它无法正常工作。 我将战争内容放入webaaps文件夹。 gwt的客户端工作正常,但与服务器端的连接存在问题。
日志中可能出现的错误:
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "GET /BugGitGwt/ HTTP/1.1" 200 2954
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "GET /BugGitGwt/buggitgwt/buggitgwt.nocache.js HTTP/1.1" 200 6004
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "GET /BugGitGwt/loading4.gif HTTP/1.1" 200 2164
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "GET /BugGitGwt/BugGitGwt.css HTTP/1.1" 200 708
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "GET /BugGitGwt/buggitgwt/gwt/clean/clean.css HTTP/1.1" 200 29325
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "GET /BugGitGwt/buggitgwt/0B29E478EEA6D0F7C8617BCA1D490240.cache.html HTTP/1.1" 200 161530
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "POST /BugGitGwt/buggitgwt/greet HTTP/1.1" 500 2820
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "POST /BugGitGwt/buggitgwt/greet HTTP/1.1" 500 2820
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "POST /BugGitGwt/buggitgwt/greet HTTP/1.1" 500 2820
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "GET /BugGitGwt/buggitgwt/gwt/clean/images/hborder.png HTTP/1.1" 200 1995
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "GET /BugGitGwt/buggitgwt/gwt/clean/images/circles.png HTTP/1.1" 200 1492
127.0.0.1 - - [07/Mar/2014:17:31:36 +0400] "GET /BugGitGwt/buggitgwt/gwt/clean/images/vborder.png HTTP/1.1" 200 298
或这个:
INFO: The APR based Apache Tomcat Native library which allows optimal performance in
production environments was not found on the
java.library.path: C:\Program Files (x86)\Java\jdk1.6.0_45\bin;
C:\Windows\Sun\Java\bin;
C:\Windows\system32;
C:\Windows;C:\Program Files (x86)\Intel\iCLS Client\;
C:\Program Files\Intel\iCLS Client\;
C:\Program Files (x86)\AMD APP\bin\x86_64;
C:\Program Files (x86)\AMD APP\bin\x86;C:\Windows\system32;
C:\Windows;C:\Windows\System32\Wbem;
C:\Windows\System32\WindowsPowerShell\v1.0\;
C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;
C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;
C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;
C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;
C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;
C:\Program Files (x86)\Java\jdk1.6.0_45\bin;
C:\apache-maven-3.1.1\bin;
C:\Program Files (x86)\MySQL\MySQL Utilities 1.3.6\;
C:\apache-ant-1.9.3\bin;
C:\Program Files (x86)\Java\jdk1.6.0_45\bin;
C:\Program Files (x86)\Git\bin;
C:\Program Files (x86)\Git\cmd;;.
或这个:
INFO: JSR 356 WebSocket (Java WebSocket 1.0) support is not available
when running on Java 6. To suppress this message, run Tomcat on Java 7,
remove the WebSocket JARs from $CATALINA_HOME/lib or add
the WebSocketJARs to thetomcat.util.scan.DefaultJarScanner.jarsToSkip property in
$CATALINA_BASE/conf/catalina.properties. Note that the deprecated Tomcat 7
WebSocket API will be available.
web.xml中
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee">
<!-- Servlets -->
<servlet>
<servlet-name>greetServlet</servlet-name>
<servlet-class>ru.sersem.buggitgwt.server.DataProviderServiceImpl</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>greetServlet</servlet-name>
<url-pattern>/buggitgwt/greet</url-pattern>
</servlet-mapping>
<!-- Default page to serve -->
<welcome-file-list>
<welcome-file>BugGitGwt.html</welcome-file>
</welcome-file-list>
</web-app>
服务:
@RemoteServiceRelativePath("greet")
public interface DataProviderService extends RemoteService {
List<List<String>> getDatabaseData(String call);
}
遵循步骤从外部服务器运行GWT项目。
导航到包含以下内容的war文件夹:
war | |__GWTTestProject.html |__GWTTestProject.css |__gwttestproject folder | | | |__compiled js files and html files generated by GWT compilation | |__WEB-INF folder | |__classes |__deploy |__lib |__web.xml
使用命令提示符执行以下命令以创建War文件
jar -cf gwtproject.war *
请在以下文件中再次检查:
web.xml中:
<servlet>
<servlet-name>greetServlet</servlet-name>
<servlet-class>com.gwt.test.server.GreetingServiceImpl</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>greetServlet</servlet-name>
<url-pattern>/gwtproject/greet</url-pattern>
</servlet-mapping>
GreetingService的:
@RemoteServiceRelativePath("greet")
public interface GreetingService extends RemoteService {
Long greetServer(String name) throws IllegalArgumentException;
}
好的。 有事 我们在企业中使用Java 6,但是GWT支持Java7。因此,它在Eclipse中的Java 7下工作,但在系统环境中已关闭。
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