Javascript ScriptEngineManager获取最后一个成功行
我在grails应用程序中使用ScriptEngineManager来执行javascript代码 当我执行此javascript时:Javascript ScriptEngineManager获取最后一个成功行,javascript,nashorn,scriptengine,Javascript,Nashorn,Scriptengine,我在grails应用程序中使用ScriptEngineManager来执行javascript代码 当我执行此javascript时: var x = new java.util.ArrayList([1, 2, 3]) log(x[55]) 使用此代码: try { ScriptEngineManager manager = new ScriptEngineManager(); ScriptEngine engine = manager.getEngineByName("j
var x = new java.util.ArrayList([1, 2, 3])
log(x[55])
使用此代码:
try {
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("javascript")
return engine.eval(javascript)
} catch (ScriptException jsEx) {
// Exception is added in outer function to the log
throw new JavascriptException(jsEx.getMessage(), jsEx)
} catch (Exception e) {
throw new JavascriptException("UNEXPECTED Exception in invokeJavaScript " + e.getMessage(), e)
}
我在expetion e中得到了一个java.lang.IndexOutOufBoundsException
。这没关系,但我想知道javascript中哪一行发生了错误。
是否有可能从javascript代码中获得最后一行成功的代码?我找到了解决问题的方法。我解析异常的stacktrace,因此得到行号:
//this method gives me the stacktrace as string
String trace = helperService.stacktraceToString(e)
String line = ""
trace.eachLine {
if (it.contains("<eval>")) {
line = " at line " + it.substring(it.lastIndexOf("<eval>:"), it.length() -1).replace("<eval>:", "")
}
}
//此方法将stacktrace作为字符串提供给我
字符串跟踪=helperService.stacktraceToString(e)
字符串行=“”
trace.eachLine{
if(它包含(“”){
line=“at line”+it.substring(it.lastIndexOf(“:”),it.length()-1)。替换(“:”,“”)
}
}
是否有一个选项可以记录执行的每一行?