<em>问题</em>原因：
<em>NoClassDefFoundError</em>是因为Java虚拟机在编译时能找到合适的类，而在运行时不能找到合适的类导致的错误。
解决方案：
File> Settings> Build,Execution,Deployment> Instant Run> Enable Instant Run to hot swap code/resoure...
在Xposed框架中自己编写模块，hook了System.load函数，激活之后会导致QQ浏览器崩溃、UC浏览器提示安装不完全、4.4系统自带浏览器打开黑屏。
查看日志报的错误是“<em>java</em>.<em>lang</em>.<em>NoClassDefFoundError</em>”，同时还伴随“ W/linker(5153): libmsfbootV2.so has text relocations. This is wasting memory and is a security risk. Please fix.”这样的提示信息。
手机型号是HTC D816t，版本是Android 4.4.2，Xposed框架是2.6.1版本，编写模块引入的jar包是“XposedBridgeApi-54”。
求解，是程序增加了防护措施导致<em>java</em>层hook失败么？hook其它函数并不会导致程序完全崩溃的情况。
在使用android-json-rpc的时候报<em>java</em>.<em>lang</em>.<em>NoClassDefFoundError</em>:failed resolution of :Lorg/apache/http/ProtocolVersion错误，在AndroidManifest.xml文件的application标签里面加入&lt;uses-library android:name="org.apache.http.le...
报错背景：
CDH中<em>集成</em>kafka的服务，解决完kafka的jar包报错之后重启，发现这个报错。
报错现象：
<em>java</em>.<em>lang</em>.VerifyError: Instruction type does not match stack map
Exception Details:
Location:
org/eclipse/jetty/servlet/ServletHa...
最近在一个eclipse移植到Android Studio的项目出现了以下非常难解决的错误！
错误如下：
Can't process class [<em>com</em>/<em>tencent</em>/wxop/<em>stat</em>/a.class](Unknown verification type [95] in stack map frame)
查了好多方法，谷歌什么的都看了，最后只有以下能解决，过程非常复杂。
以下解决的方法为转...
ssh的修改操作中，我先查询所有数据到页面中显示，然后选中一条进行编辑，根据选中的ID再到数据库中查询该条信息。通过ID查询时报如下错误：
lib文件夹中有<em>java</em>ssist-3.15.0-GA.jar
提示DAO层报错的代码行：Employee employee = (Employee)getSession().get(Employee.class,id);
严重: Exception occurred during processing request: Method "update1" failed for object <em>com</em>.ja.xly.actions.EmployeeAction@7ed19f51
ognl.MethodFailedException: Method "update1" failed for object <em>com</em>.ja.xly.actions.EmployeeAction@7ed19f51 [<em>java</em>.<em>lang</em>.<em>NoClassDefFoundError</em>: <em>java</em>ssist/util/proxy/Proxy]
at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.<em>java</em>:1305)
at ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.<em>java</em>:68)
at <em>com</em>.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethodWithDebugInfo(XWorkMethodAccessor.<em>java</em>:117)
at <em>com</em>.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.<em>java</em>:108)
at ognl.OgnlRuntime.callMethod(OgnlRuntime.<em>java</em>:1369)
at ognl.ASTMethod.getValueBody(ASTMethod.<em>java</em>:90)
at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.<em>java</em>:212)
at ognl.SimpleNode.getValue(SimpleNode.<em>java</em>:258)
at ognl.Ognl.getValue(Ognl.<em>java</em>:494)
at ognl.Ognl.getValue(Ognl.<em>java</em>:458)
at <em>com</em>.opensymphony.xwork2.ognl.OgnlUtil$2.execute(OgnlUtil.<em>java</em>:309)
at <em>com</em>.opensymphony.xwork2.ognl.OgnlUtil.<em>com</em>pileAndExecute(OgnlUtil.<em>java</em>:340)
at <em>com</em>.opensymphony.xwork2.ognl.OgnlUtil.getValue(OgnlUtil.<em>java</em>:307)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.<em>java</em>:423)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.<em>java</em>:287)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:250)
at org.apache.struts2.interceptor.DeprecationInterceptor.intercept(DeprecationInterceptor.<em>java</em>:41)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.<em>java</em>:256)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.<em>java</em>:167)
at <em>com</em>.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.<em>java</em>:98)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.<em>java</em>:265)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.<em>java</em>:76)
at <em>com</em>.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.<em>java</em>:98)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.<em>java</em>:138)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.<em>java</em>:229)
at <em>com</em>.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.<em>java</em>:98)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.<em>java</em>:229)
at <em>com</em>.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.<em>java</em>:98)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.<em>java</em>:191)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.<em>java</em>:73)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at org.apache.struts2.interceptor.DateTextFieldInterceptor.intercept(DateTextFieldInterceptor.<em>java</em>:125)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.<em>java</em>:91)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.<em>java</em>:253)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.<em>java</em>:100)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.<em>java</em>:141)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.<em>java</em>:145)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.<em>java</em>:171)
at <em>com</em>.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.<em>java</em>:98)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.<em>java</em>:139)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.<em>java</em>:164)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.<em>java</em>:193)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at <em>com</em>.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.<em>java</em>:189)
at <em>com</em>.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.<em>java</em>:244)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.<em>java</em>:54)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.<em>java</em>:564)
at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.<em>java</em>:81)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.<em>java</em>:99)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.<em>java</em>:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.<em>java</em>:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.<em>java</em>:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.<em>java</em>:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.<em>java</em>:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.<em>java</em>:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.<em>java</em>:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.<em>java</em>:957)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.<em>java</em>:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.<em>java</em>:423)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.<em>java</em>:1079)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.<em>java</em>:620)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.<em>java</em>:318)
at <em>java</em>.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at <em>java</em>.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.<em>java</em>:61)
at <em>java</em>.<em>lang</em>.Thread.run(Unknown Source)
springboot2.0启动报错：
<em>java</em>.<em>lang</em>.<em>NoClassDefFoundError</em>: ch/qos/logback/core/spi/LifeCycle
at <em>java</em>.<em>lang</em>.ClassLoader.defineClass1(Native Method)
at <em>java</em>.<em>lang</em>.ClassLoader.defineClass(ClassLoader.<em>java</em>...
这个项目是用MAVEN建立的
这个是全部的异常：
<em>java</em>.io.IOException: <em>java</em>.<em>lang</em>.ClassNotFoundException: org.springframework.web.SpringServletContainerInitializer
at org.apache.catalina.startup.WebappServiceLoader.loadServices(WebappServiceLoader.<em>java</em>:200)
at org.apache.catalina.startup.WebappServiceLoader.load(WebappServiceLoader.<em>java</em>:158)
at org.apache.catalina.startup.ContextConfig.processServletContainerInitializers(ContextConfig.<em>java</em>:1573)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.<em>java</em>:1279)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.<em>java</em>:887)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.<em>java</em>:387)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.<em>java</em>:117)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.<em>java</em>:90)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.<em>java</em>:5472)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.<em>java</em>:147)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.<em>java</em>:1572)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.<em>java</em>:1562)
at <em>java</em>.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at <em>java</em>.util.concurrent.FutureTask.run(Unknown Source)
at <em>java</em>.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at <em>java</em>.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at <em>java</em>.<em>lang</em>.Thread.run(Unknown Source)
Caused by: <em>java</em>.<em>lang</em>.ClassNotFoundException: org.springframework.web.SpringServletContainerInitializer
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.<em>java</em>:1858)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.<em>java</em>:1701)
at <em>java</em>.<em>lang</em>.Class.forName0(Native Method)
at <em>java</em>.<em>lang</em>.Class.forName(Unknown Source)
at org.apache.catalina.startup.WebappServiceLoader.loadServices(WebappServiceLoader.<em>java</em>:197)
... 16 more
我在项目里边看了，spring-web这个jar包是在Maven Dependencies中的，但是不为什么就是提示找不到这个类。
求问各位大神这个<em>问题</em>要怎么解决？
最近想买一直报这个<em>问题</em> 希望有大神帮我解决一下 导致崩溃 在多种地方都会显示这个错误 也没有提示哪行带拿错了
<em>java</em>.<em>lang</em>.<em>NoClassDefFoundError</em>: Failed resolution of: Landroid/support/v4/animation/AnimatorCompatHelper;
at android.support.v7.widget.DefaultItemAnimator.resetAnimation(DefaultItemAnimator.<em>java</em>:515)
at android.support.v7.widget.DefaultItemAnimator.animateAdd(DefaultItemAnimator.<em>java</em>:218)
at android.support.v7.widget.SimpleItemAnimator.animateAppearance(SimpleItemAnimator.<em>java</em>:114)
at android.support.v7.widget.RecyclerView.animateAppearance(RecyclerView.<em>java</em>:3804)
at android.support.v7.widget.RecyclerView$4.processAppeared(RecyclerView.<em>java</em>:521)
at android.support.v7.widget.ViewInfoStore.process(ViewInfoStore.<em>java</em>:247)
at android.support.v7.widget.RecyclerView.dispatchLayoutStep3(RecyclerView.<em>java</em>:3653)
at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.<em>java</em>:3323)
at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.<em>java</em>:3844)
at android.view.View.layout(View.<em>java</em>:16673)
at android.view.ViewGroup.layout(ViewGroup.<em>java</em>:5476)
at android.widget.LinearLayout.setChildFrame(LinearLayout.<em>java</em>:1743)
at android.widget.LinearLayout.layoutVertical(LinearLayout.<em>java</em>:1586)
at android.widget.LinearLayout.onLayout(LinearLayout.<em>java</em>:1495)
at android.view.View.layout(View.<em>java</em>:16673)
at android.view.ViewGroup.layout(ViewGroup.<em>java</em>:5476)
at android.widget.LinearLayout.setChildFrame(LinearLayout.<em>java</em>:1743)
at android.widget.LinearLayout.layoutVertical(LinearLayout.<em>java</em>:1586)
at android.widget.LinearLayout.onLayout(LinearLayout.<em>java</em>:1495)
at android.view.View.layout(View.<em>java</em>:16673)
at android.view.ViewGroup.layout(ViewGroup.<em>java</em>:5476)
at android.widget.LinearLayout.setChildFrame(LinearLayout.<em>java</em>:1743)
at android.widget.LinearLayout.layoutHorizontal(LinearLayout.<em>java</em>:1732)
at android.widget.LinearLayout.onLayout(LinearLayout.<em>java</em>:1497)
at android.view.View.layout(View.<em>java</em>:16673)
at android.view.ViewGroup.layout(ViewGroup.<em>java</em>:5476)
at android.widget.FrameLayout.layoutChildren(FrameLayout.<em>java</em>:336)
at android.widget.FrameLayout.onLayout(FrameLayout.<em>java</em>:273)
at android.view.View.layout(View.<em>java</em>:16673)
at android.view.ViewGroup.layout(ViewGroup.<em>java</em>:5476)
at android.widget.LinearLayout.setChildFrame(LinearLayout.<em>java</em>:1743)
at android.widget.LinearLayout.layoutVertical(LinearLayout.<em>java</em>:1586)
at android.widget.LinearLayout.onLayout(LinearLayout.<em>java</em>:1495)
at android.view.View.layout(View.<em>java</em>:16673)
at android.view.ViewGroup.layout(ViewGroup.<em>java</em>:5476)
at android.widget.FrameLayout.layoutChildren(FrameLayout.<em>java</em>:336)
at android.widget.FrameLayout.onLayout(FrameLayout.<em>java</em>:273)
at android.view.View.layout(View.<em>java</em>:16673)
at android.view.ViewGroup.layout(ViewGroup.<em>java</em>:5476)
at android.widget.LinearLayout.setChildFrame(LinearLayout.<em>java</em>:1743)
at android.widget.LinearLayout.layoutVertical(LinearLayout.<em>java</em>:1586)
at android.widget.LinearLayout.onLayout(LinearLayout.<em>java</em>:1495)
at android.view.View.layout(View.<em>java</em>:16673)
at android.view.ViewGroup.layout(ViewGroup.<em>java</em>:5476)
at android.widget.FrameLayout.layoutChildren(FrameLayout.<em>java</em>:336)
at android.widget.FrameLayout.onLayout(FrameLayout.<em>java</em>:273)
at <em>com</em>.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.<em>java</em>:2727)
at android.view.View.layout(View.<em>java</em>:16673)
at android.view.ViewGroup.layout(ViewGroup.<em>java</em>:5476)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.<em>java</em>:2304)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.<em>java</em>:2033)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.<em>java</em>:1209)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.<em>java</em>:6330)
at android.view.Choreographer$CallbackRecord.run(Choreographer.<em>java</em>:862)
at android.view.Choreographer.doCallbacks(Choreographer.<em>java</em>:674)
at android.view.Choreographer.doFrame(Choreographer.<em>java</em>:610)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.<em>java</em>:848)
at android.os.Handler.handleCallback(Handler.<em>java</em>:739)
at android.os.Handler.dispatchMessage(Handler.<em>java</em>:95)
at android.os.Looper.loo
<em>问题</em> ： 当用android studio 混淆代码时如果第三方jar包本身也混淆了，有可能会出现这个错误Can’t process class [<em>com</em>/<em>tencent</em>/wxop/<em>stat</em>/al.class解决办法：
1. 查看自己android studio安装目录下的gradle/m2repository/net/sf/proguard/proguard-base 查看自己当前对应的pr
在android studio run生成的apk在5.1上运行正常，可是放到4.4上打开app直接会崩溃，打印显示<em>java</em>.<em>lang</em>.RuntimeException: Unable to get provider <em>com</em>.android.tools.fd.runtime.InstantRunContentPro...这个错误。根据这篇文章的提示，http://bbs.raindi.net/th...
