InvocationTargetException不是'；t显示在Java控制台[Applet]上
我创建了一个小程序来打印。 当我运行它时，我收到异常java.lang.reflect.InvocationTargetException。 当我查看Java控制台时，不会出现异常InvocationTargetException不是'；t显示在Java控制台[Applet]上,java,applet,jna,Java,Applet,Jna,我创建了一个小程序来打印。 当我运行它时，我收到异常java.lang.reflect.InvocationTargetException。 当我查看Java控制台时，不会出现异常 Java Plug-in 10.4.1.255 Using JRE version 1.7.0_04-b22 Java HotSpot(TM) Client VM User home directory = C:\Documents and Settings\Administrator ---------------
Java Plug-in 10.4.1.255
Using JRE version 1.7.0_04-b22 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\Administrator
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c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to <n>
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<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<div>
<applet width=300 height=300 code="Impressora" ARCHIVE="ImpressoraAssinada.jar"></applet>
</div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<div>
<applet width=300 height=300 code="Impressora" ARCHIVE="ImpressoraAssinada.jar"></applet>
</div>
</body>
</html>
cd C:\path\to\dir\Impressora
keytool -genkey -dname "cn=Impressora, ou=XX, o=XXX, l=city, s=RS c=BR" -alias ImpressoraKey -keystore C:\ImpressoraKey -storepass passwd -validity 7300
jarsigner -keystore C:\ImpressoraKey -storepass passwd -signedjar ImpressoraAssinada.jar Impressora.jar ImpressoraKey
keytool -export -keystore C:\ImpressoraKey -storepass passwd -alias ImpressoraKey -file Impressora.x509