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ExtJS下 Ext.Direct加載和提交過程排錯小結(jié)

 更新時間：2013年04月02日 14:36:14   投稿：whsnow  
基礎(chǔ)實(shí)一點(diǎn),會有好處的,排錯的時候就體現(xiàn)出來了,下面就Ext.Direct做一些排錯筆記與大家一一分享,感興趣的朋友可以參考下哈

偶淚滴嘎嘎，終于，終于完成了一部分ExtJS。
（基礎(chǔ)實(shí)一點(diǎn)，會有好處的，排錯的時候就體現(xiàn)出來了）
下面就Ext.Direct做一些排錯筆記：

錯誤一：

復(fù)制代碼 代碼如下:

嚴(yán)重: StandardWrapper.Throwable
java.lang.ArrayIndexOutOfBoundsException: 1
at com.softwarementors.extjs.djn.api.RegisteredStandardMethod.isValidFormHandlingMethod(RegisteredStandardMethod.java:53)
at com.softwarementors.extjs.djn.scanner.Scanner.scanAndRegisterActionClass(Scanner.java:206)
at com.softwarementors.extjs.djn.scanner.Scanner.scanAndRegisterActionClass(Scanner.java:105)
at com.softwarementors.extjs.djn.scanner.Scanner.scanAndRegisterApiConfiguration(Scanner.java:82)
at com.softwarementors.extjs.djn.scanner.Scanner.scanAndRegisterApiConfigurations(Scanner.java:64)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.createDirectJNgineRouter(DirectJNgineServlet.java:182)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.init(DirectJNgineServlet.java:155)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1193)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1088)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5033)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5317)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
2013-3-28 17:43:52 org.apache.catalina.core.StandardContext loadOnStartup

這是為什么呢？
答案：
@DirectFormPostMethod
這個不對，這個產(chǎn)生了上面的錯誤，改成： @DirectMethod
同時刪掉，由@DirectFormPostMethod生成的輸出：
復(fù)制代碼 代碼如下:

import com.softwarementors.extjs.djn.config.annotations.DirectFormPostMethod;

錯誤二：
復(fù)制代碼 代碼如下:

ERROR: com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor - "(Controlled) server error: 1 for Method 'FormAction.submitData'" (rid=1000)
java.lang.ArrayIndexOutOfBoundsException: 1
at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.checkJsonMethodParameterTypes(JsonRequestProcessor.java:352)
at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.getIndividualRequestParameters(JsonRequestProcessor.java:247)
at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.processIndividualRequest(JsonRequestProcessor.java:404)
at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.processIndividualRequestsInThisThread(JsonRequestProcessor.java:143)
at com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor.process(JsonRequestProcessor.java:126)
at com.softwarementors.extjs.djn.router.RequestRouter.processJsonRequest(RequestRouter.java:83)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.processRequest(DirectJNgineServlet.java:617)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.doPost(DirectJNgineServlet.java:580)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

控制層出錯，也就是邏輯上不對，我的函數(shù)里面要求傳入的參數(shù)，和提交的參數(shù)不對，
放心，不是xml配置問題，是傳入的參數(shù)問題。所以重點(diǎn)在參數(shù)上，也就是語法。

我的錯誤原因：
Java要求傳入的參數(shù)為兩個：
復(fù)制代碼 代碼如下:

public Info submitData(String name,String password)

而我在ExtJS 中實(shí)際傳入的參數(shù)是一個：
復(fù)制代碼 代碼如下:

var params= username.getValue()+Password.getValue();
FormAction.submitData(params,function(result,e){}

改寫一下就行了：
復(fù)制代碼 代碼如下:

FormAction.submitData(username.getValue(),Password.getValue(),function(result,e){}

錯誤三：
復(fù)制代碼 代碼如下:

FATAL: com.softwarementors.extjs.djn.servlet.DirectJNgineServlet - "Unable to find class 'com.softwarementors.extjs.djn.test.config.GsonBuilderConfiguratorForTesting'" ()
com.softwarementors.extjs.djn.servlet.ServletConfigurationException: Unable to find class 'com.softwarementors.extjs.djn.test.config.GsonBuilderConfiguratorForTesting'
at com.softwarementors.extjs.djn.servlet.ServletConfigurationException.forClassNotFound(ServletConfigurationException.java:63)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.getGsonBuilderConfiguratorClass(DirectJNgineServlet.java:362)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.createGlobalConfiguration(DirectJNgineServlet.java:324)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.createDirectJNgineRouter(DirectJNgineServlet.java:164)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.init(DirectJNgineServlet.java:155)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1193)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1088)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5033)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5317)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: com.softwarementors.extjs.djn.test.config.GsonBuilderConfiguratorForTesting
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1713)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1558)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.getGsonBuilderConfiguratorClass(DirectJNgineServlet.java:353)
... 16 more
2013-3-28 17:59:39 org.apache.catalina.core.ApplicationContext log
嚴(yán)重: StandardWrapper.Throwable
com.softwarementors.extjs.djn.servlet.ServletConfigurationException: Unable to find class 'com.softwarementors.extjs.djn.test.config.GsonBuilderConfiguratorForTesting'
at com.softwarementors.extjs.djn.servlet.ServletConfigurationException.forClassNotFound(ServletConfigurationException.java:63)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.getGsonBuilderConfiguratorClass(DirectJNgineServlet.java:362)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.createGlobalConfiguration(DirectJNgineServlet.java:324)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.createDirectJNgineRouter(DirectJNgineServlet.java:164)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.init(DirectJNgineServlet.java:155)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1193)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1088)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5033)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5317)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: com.softwarementors.extjs.djn.test.config.GsonBuilderConfiguratorForTesting
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1713)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1558)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.getGsonBuilderConfiguratorClass(DirectJNgineServlet.java:353)
... 16 more
2013-3-28 17:59:39 org.apache.catalina.core.StandardContext loadOnStartup
嚴(yán)重: Servlet /DirectJS threw load() exception
java.lang.ClassNotFoundException: com.softwarementors.extjs.djn.test.config.GsonBuilderConfiguratorForTesting
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1713)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1558)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.getGsonBuilderConfiguratorClass(DirectJNgineServlet.java:353)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.createGlobalConfiguration(DirectJNgineServlet.java:324)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.createDirectJNgineRouter(DirectJNgineServlet.java:164)
at com.softwarementors.extjs.djn.servlet.DirectJNgineServlet.init(DirectJNgineServlet.java:155)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1193)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1088)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5033)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5317)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

原因是里面沒有這個類：
com.softwarementors.extjs.djn.test.config.GsonBuilderConfiguratorForTesting
這個錯誤在web.xml里面，把它們刪了就行了：
復(fù)制代碼 代碼如下:

<init-param>
<param-name>registryConfiguratorClass</param-name>
<param-value>com.softwarementors.extjs.djn.test.servlet.config.RegistryConfiguratorForTesting</param-value> </init-param>
<init-param>
<param-name>gsonBuilderConfiguratorClass</param-name>
<param-value>com.softwarementors.extjs.djn.test.config.GsonBuilderConfiguratorForTesting</param-value></init-param>

大概就這三個，我的情況就是這樣。

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