小编abh*_*bhi的帖子

更新:不知何故,经过另一轮调整和重新部署后,localhost:8080/ping-1.0/ping开始工作.配置文件仍然如下.我希望在不知情的情况下知道我修复了什么,但现在已经解决了.

我已经和它搏斗了几天,尝试了我在这里和其他地方看过的各种解决方案,但没有任何效果.我在Tomcat中部署了一个Spring MVC控制器,但无法访问它.

工具:

Spring 3.2.0
Tomcat 7
Java 1.6

弹簧控制器:

@Controller
public class PingController {

@RequestMapping("/ping")
public String ping (Model model) throws Exception {
    System.out.println("ping ping ping");
    String s = (new Date()).toString();
    model.addAttribute("message", s);
    return "ping";
}
}

web.xml中:

<?xml version="1.0" encoding="UTF-8"?>

<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<servlet>
    <servlet-name>ping</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/ping-servlet.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
    <servlet-name>ping</servlet-name>
    <url-pattern>/ping</url-pattern>
</servlet-mapping>

</web-app>

平servlet.xml中:

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
    http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
    http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">

<context:component-scan …

我在我的项目中使用Spring和Hibernate的组合,并希望测试DAO方法Save和Delete方法.

daoFoundation是一个通过hibernateSession创建的包装类.

@Override
public String createSubject(Subject subject) {
    String subjectId = (String) daoFoundation.save(subject);
    return subjectId;
}

这是我在JUnit中使用SpringJunit4ClassRunner编写的内容我在SetupMethod中
创建了主题对象.

@Test
public void createSubjectTest(){
    subjectDao.createSubject(subject);
    assertNotNull(hassSubjectSelection.getId());
}

这是否足够,还是我需要在我的测试类中另外编写任何内容？

我正在使用GSON来验证JSON格式的字符串:

String json="{'hashkey':{'calculatedHMAC':'f7b5addd27a221b216068cddb9abf1f06b3c0e1c','secretkey':'12345'},operation':'read','attributes':['name','id'],'otid':'12'}";
Gson gson=new Gson();
Response resp = new Response();
RequestParameters para = null;
try{
    para = gson.fromJson(json, RequestParameters.class);
}catch(Exception e){
    System.out.println("invalid json format");
}

它做得很好但是当我删除下面的引号时,我已经从hashkey中删除了:

"{hashkey':{'calculatedHMAC':'f7b5addd27a221b216068cddb9abf1f06b3c0e1c','secretkey':'12345'},operation':'read','attributes':['name','id'],'otid':'12'}"

它仍然将它验证为正确的JSON格式,并且不会抛出任何异常而不会进入catch体.这样做的原因是什么？我该如何解决这个问题？

RequestParameters类:

public class RequestParameters {
    HashKey hashkey;
    String operation;
    int count;
    int otid;
    String[] attributes;

}

我有一个条件,我需要从队列中读取数据并相应地处理它.因此我为此目的使用apache-camel.

现在我的Camel配置如下:

applicationContext.xml中

<camel:camelContext id="camel-server">
        <camel:package>com.sorc.processor.route</camel:package>
        <camel:jmxAgent id="agent" createConnector="true" />
</camel:camelContext>

FeedProcessorRoute.java

public class FeedProcessorRoute extends RouteBuilder{
    private @Value("${activemq_feed_observer_queue_name}") String activemqQueueName;
    @Override
    public void configure() throws Exception {
        from("amq:" + activemqQueueName + "?exchangePattern=InOut&preserveMessageQos=true")
            .routeId("id1") // Set the routeId to the class name. The routeId is printed when logging.
            .process(this.feedProcessorTrigger)
            .log("The FeedProcessor route has finished\n\n"));  
    }

FeedProcessorTrigger.java

  public class FeedProcessorTrigger implements Processor{
  @Override
  public void process(Exchange exchange) throws Exception {
            //I have added my processing logic here
    }
 }

当我在tomcat中部署我的战争时,我得到以下错误

15:06:24.602 …

运行 import P4 时出现以下错误：

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Python35\lib\site-packages\P4.py", line 410, in <module>
    import P4API
ImportError: DLL load failed: The specified module could not be found.

• 操作系统：Win 7 64位
• 蟒蛇：3.5.1
• P4Python：https://pypi.python.org/pypi/P4Python：p4python-2015.2.1348262-cp35-none-win_amd64.whl（md5）

我在网上查看但找不到有帮助的东西。

当我使用Spring Data Redis进行注入时redisTemplate,会发生以下错误:

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'redisTemplate' defined in com.worktime.configure.JpaConfigurationTest: Invocation of init method failed; nested exception is java.lang.NoSuchMethodError: org.springframework.core.serializer.support.DeserializingConverter.<init>(Ljava/lang/ClassLoader;)V
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1578)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:305)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:301)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:196)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:834)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:537)
at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:125)
at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:60)
at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:109)
at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:261)
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:98)
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:116)
... 25 more
Caused by: java.lang.NoSuchMethodError: org.springframework.core.serializer.support.DeserializingConverter.<init>(Ljava/lang/ClassLoader;)V
at org.springframework.data.redis.serializer.JdkSerializationRedisSerializer.<init>(JdkSerializationRedisSerializer.java:53)
at org.springframework.data.redis.core.RedisTemplate.afterPropertiesSet(RedisTemplate.java:117)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1637)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574)
... 40 more

这是我的代码:

@Bean
public …

最近我正在开发一个基于raspberrypi 2b +的设备,它连接到mpu9250(我自己焊接).

我可以正确读取9轴数据,但我注意到每个数据输入具有不同的时间差:

该图显示了每两个数据之间的时间差.但我已经使用QTimer确保我的代码每隔10ms读取一次mpu9250.

所以我在RaspberryPi 2b +上尝试了这个代码:

import time
import matplotlib.pyplot as plt

time_arr = []
for i in range(5000):
    t0 = time.time()
    print "K"
    t1 = time.time() - t0
    time_arr.append(t1)

plt.plot(time_arr)
plt.show()

结果:

即使这些简单的代码仍然在图表上显示高峰,它让我失望......

任何人都可以帮助我解决这些问题或解释发生了什么？

我已经设置了Web服务器并基于HTTP请求，并且需要以其他用户身份执行脚本。

因此，关于这一点，我可以按照需要的用户身份运行HTTP吗？

或者我可以非交互方式提供密码，并在bat文件的第一行中包含以下内容。

runas /user:dmn1\user1 cmd

我不知道如何在数据访问层上应用单元测试.我总是想知道是否应该测试数据访问层.在我的公司,我们有稳定的数据库来存储单元测试数据和测试数据访问层,方法是运行数据访问对象并检查它们从稳定数据库中获取的数据.

为了通过单元测试,稳定数据库中的数据不再被修改.我认为有更好的解决方案.如果我没有弄错,模拟对象不能对SQL语句和ResultSet映射执行测试.

对DAO进行单元测试的最佳方法是什么？使用TDD有更好的方法吗？

我在使用ZF2在视图中渲染表单时遇到问题.我正在按照"Zend Framework 2.0 by Example"一书的说法.问题是,在对应视图中呈现表单时,会弹出以下错误:

A plugin by the name "form" was not found in the plugin manager Zend\View\HelperPluginManager

我在这里和ZF论坛都遇到了所有类型的错误,但是我找不到我的问题的答案,所以我都选择了.

这是相关文件:

// Module.php
namespace Users;

use Zend\ModuleManager\Feature\AutoloaderProviderInterface;
use Zend\ModuleManager\Feature\ConfigProviderInterface;

class Module implements AutoloaderProviderInterface, ConfigProviderInterface {

    public function getAutoloaderConfig() {
        return [
            'Zend\Loader\ClassMapAutoloader' => [
                __DIR__ . '/autoload_classmap.php',
            ],
            'Zend\Loader\StandardAutoloader' => [
                'namespaces' => [
                    __NAMESPACE__ => __DIR__ . '/src/' . __NAMESPACE__,
                ],
            ],
        ];
    }

    public function getConfig() {
        return include __DIR__ . '/config/module.config.php';
    }

}


//module.config.php
namespace Users;

return …