异常代码: java.security.PrivilegedActionException: java.lang.reflect.InvocationTargetException at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.liveconnect.SecureInvocation$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.plugin.liveconnect.SecureInvocation.CallMethod(Unknown Source) at sun.plugin.liveconnect.SecureInvocation.access$300(Unknown Source) at sun.plugin.liveconnect.SecureInvocation$CallMethodThread.run(Unknown Source) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sun.plugin.javascript.invoke.JSInvoke.invoke(Unknown Source) at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sun.plugin.javascript.JSClassLoader.invoke(Unknown Source) at sun.plugin.liveconnect.PrivilegedCallMethodAction.run(Unknown Source) ... 6 more Caused by: java.io.IOException: Server returned HTTP response code: 500 for URL: http://192.168.0.227:8080/reframesample/PrintServlet?operation=sys.queryy&template=printreport.xml at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at PrintApplet.getPrintData(PrintApplet.java:72) ... 16 more
这是我在applet里得到字符串的代码 URL url1 = new URL(URL); URLConnection connection1 = url1.openConnection(); DataInputStream inStream = new DataInputStream(connection1.getInputStream()); // 读取SERVLET发送过来的数据 this.printStr = inStream.readUTF();
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
DataOutputStream out = new DataOutputStream(byteOut); try {
// 向APPLET发送结果 out.writeUTF(resulet);
System.out.println("in servelet --------3");
byte buf[] = byteOut.toByteArray();
DataOutputStream dataout = new DataOutputStream(resp
.getOutputStream());
dataout.write(buf);
dataout.flush();
dataout.close();
System.out.println("in servelet --------4");
} catch (RuntimeException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
System.out.println("in servelet --------error");
}
java.security.PrivilegedActionException: java.lang.reflect.InvocationTargetException
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin.liveconnect.SecureInvocation$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin.liveconnect.SecureInvocation.CallMethod(Unknown Source)
at sun.plugin.liveconnect.SecureInvocation.access$300(Unknown Source)
at sun.plugin.liveconnect.SecureInvocation$CallMethodThread.run(Unknown Source)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.plugin.javascript.invoke.JSInvoke.invoke(Unknown Source)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.plugin.javascript.JSClassLoader.invoke(Unknown Source)
at sun.plugin.liveconnect.PrivilegedCallMethodAction.run(Unknown Source)
... 6 more
Caused by: java.io.IOException: Server returned HTTP response code: 500 for URL: http://192.168.0.227:8080/reframesample/PrintServlet?operation=sys.queryy&template=printreport.xml
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at PrintApplet.getPrintData(PrintApplet.java:72)
... 16 more
这是我在applet里得到字符串的代码
URL url1 = new URL(URL);
URLConnection connection1 = url1.openConnection();
DataInputStream inStream = new DataInputStream(connection1.getInputStream());
// 读取SERVLET发送过来的数据
this.printStr = inStream.readUTF();