当我运行以下代码时,engine变量设置为null我使用OpenJDK 7(java-7-openjdk-i386)时.
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
public class TestRhino {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName("JavaScript");
try {
System.out.println(engine.eval("1+1"));
} catch (ScriptException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
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它java-6-openjdk与Oracle的运行良好jre1.7.0.知道为什么吗?
我正在使用Ubuntu 11.10.所有JVM都安装在/usr/lib/jvm.