处理程序处理失败；嵌套异常是 java.lang.StackOverflowError
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Handler processing failed; nested exception is java.lang.StackOverflowError
提问by eam.maga
I created a service Restful With Spring framework , and I'm trying to include a method a call to Selenium Java, with the driver Google Chrome , but to create the object WebDriver driver = new ChromeDriver ();
我用 Spring 框架创建了一个 Restful 服务，我试图包含一个调用 Selenium Java 的方法，使用驱动程序 Google Chrome ，但要创建对象 WebDriver driver = new ChromeDriver ();
This me generates a exception :
这我会产生一个异常：
org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.StackOverflowError
org.springframework.web.servlet.DispatcherServlet.triggerAfterCompletionWithError(DispatcherServlet.java:1302)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:977)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:968)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:859)
javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:844)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
causa raíz
java.lang.StackOverflowError
java.lang.Exception.<init>(Exception.java:102)
java.lang.ReflectiveOperationException.<init>(ReflectiveOperationException.java:89)
java.lang.reflect.InvocationTargetException.<init>(InvocationTargetException.java:72)
sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:497)
org.json.JSONObject.populateMap(JSONObject.java:1015)
org.json.JSONObject.<init>(JSONObject.java:279)
org.json.JSONObject.wrap(JSONObject.java:1527)
org.json.JSONObject.populateMap(JSONObject.java:1017)
org.json.JSONObject.<init>(JSONObject.java:279)
org.json.JSONObject.wrap(JSONObject.java:1527)
org.json.JSONObject.populateMap(JSONObject.java:1017)
org.json.JSONObject.<init>(JSONObject.java:279)
org.json.JSONObject.wrap(JSONObject.java:1527)
Independent in a main class runs smoothly , but I require it from a service Restful
独立在主班上运行顺利，但我需要从服务 Restful 中获得它
回答by Akshay Joshi
I spent few hours struggling with stackoverflow error ... hope this helps someone
我花了几个小时努力解决 stackoverflow 错误......希望这对某人有所帮助
i made a silly mistake
我犯了一个愚蠢的错误
please see below code snippet :-
请参阅下面的代码片段：-
Incorrect code :-
不正确的代码 ：-
Map abcWithKey = new HashMap<>();
abcWithKey.put("key_1", abcWithKey);
Correct Code :-
正确代码：-
Map abcWithKey = new HashMap<>();
abcWithKey.put("key_1", abc);
where abc is a map , so instead of adding abc(different map) i was adding same map recursively.
其中 abc 是地图，所以我没有添加 abc（不同的地图），而是递归地添加相同的地图。
回答by Alexandru Marina
Each thread in a Java application has its own stack, a place where method calls and local variables are stored. The error you mention usually happens when this stack is full, basically the current thread makes a lot of calls to certain methods (this is the happy case; another facet would be an infinite loop).
Java 应用程序中的每个线程都有自己的堆栈，一个存储方法调用和局部变量的地方。您提到的错误通常发生在此堆栈已满时，基本上当前线程对某些方法进行了大量调用（这是一种快乐的情况；另一个方面将是无限循环）。
Try to run the java process with a higher stack size and see if the error happens again. This can be set using the -Xss property: -Xss4m
尝试使用更大的堆栈大小运行java进程，看看是否再次发生错误。这可以使用 -Xss 属性设置：-Xss4m
