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如何在gemfire命令行gfsh中查看持久化数据（通过spring-data-gemfire持久化）


我开始介绍关键的GemFire，所以我在Spring创建了一个入门项目，并在Spring指南中复制了下面的项目。

https://spring.io/guides/gs/accessing-data-gemfire/

这个项目是工作数据被持久化，我也可以检索数据。

另一方面，我已经下载了“GemFire 8.2.1”并安装在我的系统中并设置了所有env变量，并且能够为GemFire“gfsh”运行conmmandLine。

1）现在我的问题是如何在这个命令行gfsh中查看持久化数据（通过spring-data-gemfire持久化）。这样，我就可以真正看到它是如何存储的等等。

2）此外，在上面的Spring项目中，虽然它工作得很好，但它的抛出异常是 

[info 2016/06/07 20:24:55.559 IST <main> tid=0x1] Command Service could not be initialized. Could not find Spring Shell library which is needed for CLI/gfsh in classpath. Internal support for CLI & gfsh is not enabled. Note: For convenience, absolute path of "gfsh-dependencies.jar" from "lib" directory of GemFire product distribution can be included in CLASSPATH of an application.
com.gemstone.gemfire.management.DependenciesNotFoundException: Could not find Spring Shell library which is needed for CLI/gfsh in classpath. Internal support for CLI & gfsh is not enabled. Note: For convenience, absolute path of "gfsh-dependencies.jar" from "lib" directory of GemFire product distribution can be included in CLASSPATH of an application.
    at com.gemstone.gemfire.management.cli.CommandService.createLocalCommandService(CommandService.java:135)
    at com.gemstone.gemfire.management.internal.beans.MemberMBeanBridge.<init>(MemberMBeanBridge.java:352)
    at com.gemstone.gemfire.management.internal.beans.ManagementAdapter.handleCacheCreation(ManagementAdapter.java:152)
    at com.gemstone.gemfire.management.internal.beans.ManagementListener.handleEvent(ManagementListener.java:111)
    at com.gemstone.gemfire.distributed.internal.InternalDistributedSystem.notifyResourceEventListeners(InternalDistributedSystem.java:2243)
    at com.gemstone.gemfire.distributed.internal.InternalDistributedSystem.handleResourceEvent(InternalDistributedSystem.java:503)
    at com.gemstone.gemfire.internal.cache.GemFireCacheImpl.init(GemFireCacheImpl.java:1009)
    at com.gemstone.gemfire.internal.cache.GemFireCacheImpl.create(GemFireCacheImpl.java:682)
    at com.gemstone.gemfire.cache.CacheFactory.create(CacheFactory.java:182)
    at com.gemstone.gemfire.cache.CacheFactory.create(CacheFactory.java:229)
    at org.springframework.data.gemfire.CacheFactoryBean.createCache(CacheFactoryBean.java:398)
    at org.springframework.data.gemfire.CacheFactoryBean.resolveCache(CacheFactoryBean.java:303)
    at org.springframework.data.gemfire.CacheFactoryBean.init(CacheFactoryBean.java:244)
    at org.springframework.data.gemfire.CacheFactoryBean.getObject(CacheFactoryBean.java:871)
    at org.springframework.data.gemfire.CacheFactoryBean.getObject(CacheFactoryBean.java:86)
    at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168)
    at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:103)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1590)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:317)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1192)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1116)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1014)
    at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:813)
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741)
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:464)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1123)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1018)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:534)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:523)
    at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1162)
    at org.springframework.data.gemfire.repository.support.GemfireRepositoryFactoryBean.setApplicationContext(GemfireRepositoryFactoryBean.java:71)
    at org.springframework.context.support.ApplicationContextAwareProcessor.invokeAwareInterfaces(ApplicationContextAwareProcessor.java:119)
    at org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:94)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:408)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1570)
    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$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1192)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1116)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1014)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:545)
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766)
    at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
    at com.wrd.mytrah.GemFireSubject03Application.main(GemFireSubject03Application.java:26)
```

那么如何解决这个，和上面的问题有什么关系（问题一）

请帮助这个新人…谢谢


共1个答案

匿名用户

1）您有几个选项可以使用Gfsh从基于Spring Data GemFire的应用程序中查看持久化到GemFire的数据。

1. a）您可以从gfsh命令行执行OQL，如下所示…

gfsh代码

比如说…

选择c.name /Customersc

有关更多详细信息，请参阅GemFire留档…

  • http://gemfire.docs.pivotal.io/docs-gemfire/latest/tools_modules/gfsh/command-pages/query.html
  • http://gemfire.docs.pivotal.io/docs-gemfire/latest/developing/querying_basics/chapter_overview.html

1.b）您还可以选择使用GemFire的数据浏览器工具，该工具是GemFire脉冲管理/监控工具的一个组件。

  • http://gemfire.docs.pivotal.io/docs-gemfire/latest/tools_modules/pulse/chapter_overview.html
  • http://gemfire.docs.pivotal.io/docs-gemfire/latest/tools_modules/pulse/quickstart.html#topic_F0ECE9E8179541CCA3D6C5F4FBA84404（向下滚动到数据浏览器部分）。

以下留档解释了如何从Gfsh启动/启动Pulse…

  • http://gemfire.docs.pivotal.io/docs-gemfire/latest/tools_modules/pulse/quickstart.html#topic_523F6DE33FE54307BBE8F83BB7D9355D

本质上…

gfsh代码

定位器/管理器启动后。

2）至于异常，GemFire目前有一个bug，它会尝试加载管理命令类，即使GemFire Server节点不是“Manager”。这个异常是良性的，但是您可以通过在类路径中包含Spring Shell依赖来消除它。例如，使用Maven，您将声明以下依赖…

<dependency>
  <groupId>org.springframework.shell</groupId>
  <artifactId>spring-shell</artifactId>
  <version>1.0.0.RELEASE</version>
  <scope>runtime</scope>
  <exclusions>
    <exclusion>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
    </exclusion>
    <exclusion>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
    </exclusion>
  </exclusions>
</dependency>

如果您没有使用Maven或Gradle，那么您可以按照Exception消息所述的方式执行操作，并将$GEMFIRE_HOME/lib/gfsh-依赖项放在您的应用程序类路径中（可能在您的IDE中）。

但是，如果您遵循Spring指南，那么您使用的是Maven或Gradle。

希望这有帮助！

干杯约翰

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