1. 异常描述 FATAL EXCEPTION: main Process: com.whereru.greengrass.goforit, PID: 13847 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.whereru.greengrass.goforit/com.whereru.greengrass.goforit.activity.MainActivity}: android.view.In…
 在写自己定义的view时,有时会报下面错误: Caused by: java.lang.NoSuchMethodException: <init> [class android.content.Context, interface android.util.AttributeSet] watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvbGVlaHUxOTg3/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/…
/********************************************************************************* * Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setDisplayShowHomeEnabled(boolean)' on a null object referenc…
报错信息 Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled. 2017-08-31 07:24:56.020 ERROR 46256 --- [           main] o.s.boot.SpringApplication               : Application startup fa…
spring版本:4.3.13 ActiveMq版本:5.15 ======================================================== spring整合activeMQ,pom.xml文件缺架包,启动报错: [springDemo][INFO] [2017-12-11 14:54:57] org.springframework.web.context.ContextLoader.initWebApplicationContext(304) | Root…
严重: Servlet.service() for servlet [springmvc] in context with path [/SpringMvc-1] threw exception [Request processing failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [cn.wth.base.Bean…
    Spring要求init-method是一个无参数的方法,如果init-method指定的方法中有参数,那么Spring将会抛出java.lang.NoSuchMethodException init-method指定的方法可以是public.protected以及private的,并且方法也可以是final的. 用spring管理的实例对象必须包含一个无参的构造参数…
<pre name="code" class="java"><span style="font-size:24px;">private int mIndex; public HomeItem(Context context, AttributeSet attrs) { super(context, attrs); // TODO Auto-generated constructor stub mContext = cont…
如果有带参数的构造器,编译器不会自动生成无参构造器.当查询需要返回对象时,ORM框架用反射来调用对象的无参构造函数,所以会导致此类异常 public Test(){ }…
原因fragment必须先add(),才能remove(),故remove前先做判空操作 参考:http://www.cnblogs.com/hixin/p/4427276.html…