我刚刚开始学习Apache Tomcat,我甚至最近安装了它,我试图运行一个特定的Java程序/类,等待/侦听来自php post请求的数据,下面是代码。我称这个类为Listener.java
package matchfaces;
public class Listener {
public static final String JAVABRIDGE_PORT = "1699";//8080
static final php.java.bridge.JavaBridgeRunner runner =
php.java.bridge.JavaBridgeRunner.getInstance(JAVABRIDGE_PORT);
public static void main() {
// TODO code application logic here
try {
System.loadLibrary("facesdk");
int res = FSDK
.ActivateLibrary("LICENCE KEY");
FSDK.Initialize();
FSDK.SetFaceDetectionParameters(true, true, 384);
FSDK.SetFaceDetectionThreshold(5);
if (res == FSDK.FSDKE_OK) {
System.out.println("FaceSDK activatedn");
} else {
System.out.println("Error activating FaceSDK: " + res + "n");
}
} catch (java.lang.UnsatisfiedLinkError e) {
System.out.println("exception " + e.getMessage());
}
runner.waitFor();
}
}
经过大量的研究,我尝试了一些事情,但现在,我需要的库似乎没有被加载,因此抛出了一个异常。我的web.xml
如下
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" 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_3_0.xsd">
<context-param>
<param-name>javax.faces.PROJECT_STAGE</param-name>
<param-value>Development</param-value>
</context-param>
<servlet>
<servlet-name>Match Faces</servlet-name>
<servlet-class>matchfaces.Listener</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Match Faces</servlet-name>
<url-pattern>/matchfaces</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<listener>
<listener-class>ViewHandler.handler</listener-class>
</listener>
<welcome-file-list>
<welcome-file>faces/index.xhtml</welcome-file>
</welcome-file-list>
我使用了一个监听器在Tomcat启动服务器上它会启动web应用程序java类Listener.java
public class handler implements javax.servlet.ServletContextListener{
@Override
public void contextInitialized(ServletContextEvent sce) {
try {
Listener listen = new Listener();
listen.main();
} catch (InterruptedException ex) {
Logger.getLogger(Listener.class.getName()).log(Level.SEVERE, null, ex);
}
}
@Override
public void contextDestroyed(ServletContextEvent sce) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
}
我得到的错误是这个
exception no facedk in java.library.path
您遇到的主要问题是来自System.loadLibrary("facesdk");
,似乎您没有提供facesdk.dll
库的路径。但是,与其在loadLibrary
方法中声明路径,不如直接到catalina.bat
文件,然后在:noJuliManager
set JAVA_OPTS=%JAVA_OPTS% %LOGGING_MANAGER%
下添加这个set JAVA_OPTS="-Djava.library.path=%CATALINA_BASE%lib"