使用Spring DSL + OSGi的Karaf上的Apache Camel

问题描述 投票:3回答:4

我是OSGI世界的新手。

版本:Karaf:4.1.0 Camel:2.18.2 Spring:4.3.5_RELEASE_1(Apache Service Mix Bundles)

参考:Camel-UserForum-on same question

我花了很多时间(甚至几天)用osgi容器搜索/理解camel-spring。我没有找到像我这样的begginer的好文章,它适用于某些设置或github..etc。

我们正在运行骆驼弹簧应用程序。现在我们想要转移到像Karaf这样的OSGI环境。我们正在做一些关于迁移到OSGI的工作,我们遇到了严重的问题,我们能够解决其中几个问题,但最终遇到以下问题:

  1. 我不知道在哪里放置camel-spring xml上下文和路由文件(在使用NON-OSGi的类路径中预先)。因此,它没有加载上下文获取文件。
  2. 如果我把它放在下面,我知道它可能是一个错误的方式 ClassPathXmlApplicationContext appContext = new ClassPathXmlApplicationContext(new String [] {“file:app-camel-spring.xml”});异常:org.springframework.beans.factory.parsing.BeanDefinitionParsingException:配置问题:无法找到XML架构命名空间的Spring NamespaceHandler [http://camel.apache.org/schema/spring] Offending resource:URL [file:app-camel-spring.xml]

即使使用Spring DM也不行

谢谢,

更新-1 1.在论坛要求我查看GEMINI蓝图(GB)之后,我现在正在检查GB。但我仍然遇到与JAXB错误相同的错误。

我现在在使用:Felix:

  runtimelib group: 'org.apache.felix', name: 'org.apache.felix.gogo.command', version: '1+'
  runtimelib group: 'org.apache.felix', name: 'org.apache.felix.gogo.runtime', version: '1+'
  runtimelib group: 'org.apache.felix', name: 'org.apache.felix.gogo.shell', version: '1+'
  runtimelib group: 'org.apache.felix', name: 'org.apache.felix.bundlerepository', version: '2+'
  runtimelib group: 'org.apache.felix', name: 'org.apache.felix.fileinstall', version: '3+'
  runtimelib group: 'org.apache.felix', name: 'org.apache.felix.scr.annotations', version: '1.12.0'

捆绑清单:

  lb
  START LEVEL 1
     ID|State      |Level|Name
      0|Active     |    0|System Bundle (5.6.2)|5.6.2
      1|Active     |    1|Apache Felix Bundle Repository (2.0.8)|2.0.8
      2|Active     |    1|Apache Felix File Install (3.5.8)|3.5.8
      3|Active     |    1|Apache Felix Gogo Command (1.0.2)|1.0.2
      4|Active     |    1|Apache Felix Gogo Runtime (1.0.2)|1.0.2
      5|Active     |    1|Apache Felix Gogo Shell (1.0.0)|1.0.0
      6|Active     |    1|file:/E:/Codes/GIT/Repos/Experiments/osgi/felix/bundle/org.apache.felix.scr.annotations-1.12.0.jar (0.0.0)|0.0.0
      7|Active     |    1|Apache MINA Core (2.0.14)|2.0.14
      8|Active     |    1|Apache ServiceMix :: Bundles :: spring-context (4.3.1.RELEASE_1)|4.3.1.RELEASE_1
      9|Active     |    1|Logback Core Module (1.1.1)|1.1.1
     10|Active     |    1|slf4j-api (1.7.21)|1.7.21
     11|Active     |    1|camel-mina2 (2.18.0)|2.18.0
     12|Active     |    1|osgi_testing.test_cons (0.0.4.1488767989530)|0.0.4.1488767989530
     13|Active     |    1|Logback Classic Module (1.1.1)|1.1.1
     14|Active     |    1|Old JAXB Runtime (2.2.11)|2.2.11
     15|Active     |    1|Apache Log4j (1.2.17)|1.2.17
     16|Active     |    1|gemini-blueprint-core (2.0.9.BUILD-atlassian-m003)|2.0.9.BUILD-atlassian-m003
     17|Installed  |    1|Apache ServiceMix :: Bundles :: spring-context-support (4.3.1.RELEASE_1)|4.3.1.RELEASE_1
     18|Active     |    1|camel-core (2.18.0)|2.18.0
     19|Active     |    1|Apache ServiceMix :: Bundles :: aopalliance (1.0.0.6)|1.0.0.6
     20|Active     |    1|Apache ServiceMix :: Bundles :: spring-tx (4.3.1.RELEASE_1)|4.3.1.RELEASE_1
     21|Active     |    1|Apache ServiceMix :: Bundles :: spring-core (4.3.1.RELEASE_1)|4.3.1.RELEASE_1
     22|Active     |    1|gemini-blueprint-extender (2.0.9.BUILD-atlassian-m003)|2.0.9.BUILD-atlassian-m003
     23|Active     |    1|Apache ServiceMix :: Bundles :: spring-beans (4.3.1.RELEASE_1)|4.3.1.RELEASE_1
     24|Active     |    1|osgi_testing.test_impl2 (0.0.1.1488767989534)|0.0.1.1488767989534
     25|Active     |    1|camel-spring (2.18.0)|2.18.0
     26|Active     |    1|Apache Commons Logging (1.2.0)|1.2.0
     27|Active     |    1|test_api (0.0.2.1488767989527)|0.0.2.1488767989527
     28|Active     |    1|Apache Commons IO (2.5.0)|2.5.0
     29|Active     |    1|Old JAXB Core (2.2.11)|2.2.11
     30|Active     |    1|osgi_testing.test_impl3 (0.0.1.1488767989536)|0.0.1.1488767989536
     31|Active     |    1|Apache ServiceMix :: Bundles :: spring-expression (4.3.1.RELEASE_1)|4.3.1.RELEASE_1
     32|Active     |    1|Apache ServiceMix :: Bundles :: spring-aop (4.3.1.RELEASE_1)|4.3.1.RELEASE_1
     33|Active     |    1|gemini-blueprint-io (2.0.9.BUILD-atlassian-m003)|2.0.9.BUILD-atlassian-m003
     34|Active     |    1|osgi_testing.test_impl (0.0.1.1488767989532)|0.0.1.1488767989532
  g! start 17
  org.osgi.framework.BundleException: Unable to resolve org.apache.servicemix.bundles.spring-context-support [17](R 17.0): missing requirement 
  [org.apache.servicemix.bundles.spring-context-support [17](R 17.0)] osgi.wiring.package; (osgi.wiring.package=com.github.benmanes.caffeine.cache) 
  Unresolved requirements: [[org.apache.servicemix.bundles.spring-context-support [17](R 17.0)] osgi.wiring.package; 
  (osgi.wiring.package=com.github.benmanes.caffeine.cache)]



   10:41:25.836 [fileinstall-load] ERROR com.tp.boot.ApplicationBootActivator - ERROR::
  org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Unable to locate Spring NamespaceHandler for XML schema namespace [http://camel.apache.org/schema/spring]
  Offending resource: URL [file:app-camel-spring.xml]

          at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:70) ~[na:na]
          at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:85) ~[na:na]
          at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:80) ~[na:na]
          at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.error(BeanDefinitionParserDelegate.java:301) ~[na:na]
          at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1408) ~[na:na]
          at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1401) ~[na:na]
          at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:172) ~[na:na]
          at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:142) ~[na:na]
          at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:94) ~[na:na]
          at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:508) ~[na:na]
          at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:392) ~[na:na]
          at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336) ~[na:na]
          at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304) ~[na:na]
          at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181) ~[na:na]
          at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217) ~[na:na]
          at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188) ~[na:na]
          at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:252) ~[na:na]
          at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:127) ~[na:na]
          at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:93) ~[na:na]
          at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129) ~[na:na]
          at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:612) ~[na:na]
          at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:513) ~[na:na]
          at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139) ~[na:na]
          at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:93) ~[na:na]
          at com.tp.boot.ApplicationBootActivator.start(ApplicationBootActivator.java:54) ~[na:na]
          at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697) ~[felix.jar:na]
          at org.apache.felix.framework.Felix.activateBundle(Felix.java:2238) ~[felix.jar:na]
          at org.apache.felix.framework.Felix.startBundle(Felix.java:2144) ~[felix.jar:na]
          at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) ~[felix.jar:na]
          at org.apache.felix.fileinstall.internal.DirectoryWatcher.startBundle(DirectoryWatcher.java:1253) ~[na:na]
          at org.apache.felix.fileinstall.internal.DirectoryWatcher.startBundles(DirectoryWatcher.java:1225) ~[na:na]
          at org.apache.felix.fileinstall.internal.DirectoryWatcher.doProcess(DirectoryWatcher.java:512) ~[na:na]
          at org.apache.felix.fileinstall.internal.DirectoryWatcher.process(DirectoryWatcher.java:361) ~[na:na]
          at org.apache.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:312) ~[na:na]
  10:41:25.870 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: osgi_testing.test_api
  10:41:25.903 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: org.apache.mina.core
  10:41:25.915 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: ch.qos.logback.core
  10:41:25.928 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: slf4j.api
  10:41:25.954 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: com.sun.xml.bind.jaxb-core
  10:41:25.990 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: org.eclipse.gemini.blueprint.core
  10:41:26.022 [fileinstall-load] DEBUG com.tp.device.rba.Activator - Started [osgi_testing.test_impl3]
  10:41:26.035 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: osgi_testing.test_impl3
  10:41:26.096 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: com.sun.xml.bind.jaxb-impl
  10:41:26.123 [fileinstall-load] DEBUG com.tp.app.cons.Activator - start CONS
  10:41:26.131 [fileinstall-load] DEBUG com.tp.app.cons.Activator - Device Bundle Tracker - started
  10:41:26.139 [fileinstall-load] DEBUG com.tp.app.cons.DeviceHub -  Device [rbaonguard] ClassName [com.tp.device.rba.RBADeviceImpl] Added
  10:41:26.188 [fileinstall-load] DEBUG com.tp.app.cons.DeviceHub - Written to File [Config/devices]
  10:41:26.195 [fileinstall-load] DEBUG com.tp.app.cons.DeviceServiceTracker - Service Reference- Added  Device [rbaonguard] Device Class [com.tp.device.rba.RBADeviceImpl]
  10:41:26.204 [fileinstall-load] DEBUG com.tp.app.cons.DeviceHub -  Device [rbavoltagetep2] ClassName [com.tp.device.rba.RBADeviceImpl] Added
  10:41:26.218 [fileinstall-load] DEBUG com.tp.app.cons.DeviceHub - Written to File [Config/devices]
  10:41:26.225 [fileinstall-load] DEBUG com.tp.app.cons.DeviceServiceTracker - Service Reference- Added  Device [rbavoltagetep2] Device Class [com.tp.device.rba.RBADeviceImpl]
  10:41:26.240 [fileinstall-load] DEBUG com.tp.app.cons.DeviceHub -  Device [xpi] ClassName [com.tp.device.xpi.XPIDeviceImpl] Added
  10:41:26.266 [fileinstall-load] DEBUG com.tp.app.cons.DeviceHub - Written to File [Config/devices]
  10:41:26.271 [fileinstall-load] DEBUG com.tp.app.cons.DeviceServiceTracker - Service Reference- Added  Device [xpi] Device Class [com.tp.device.xpi.XPIDeviceImpl]
  10:41:26.278 [fileinstall-load] DEBUG com.tp.app.cons.Activator - Device Service Tracker - started
  10:41:26.283 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: osgi_testing.test_cons
  10:41:26.295 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: org.apache.servicemix.bundles.spring-tx
  10:41:26.832 [EclipseGeminiBlueprintExtenderThread-1] INFO  o.e.g.b.c.s.AbstractDelegatedExecutionApplicationContext - About to begin startRefresh for osgi_testing.test_api [27]
  10:41:26.985 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: org.eclipse.gemini.blueprint.extender
  10:41:27.000 [EclipseGeminiBlueprintExtenderThread-2] INFO  o.e.g.b.c.s.AbstractDelegatedExecutionApplicationContext - About to begin startRefresh for osgi_testing.test_api [27]
  10:41:27.336 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: org.apache.servicemix.bundles.aopalliance
  10:41:27.455 [fileinstall-load] DEBUG org.apache.camel.impl.osgi.Activator - Bundle started: ch.qos.logback.classic
  10:41:27.559 [EclipseGeminiBlueprintExtenderThread-1] DEBUG o.a.c.s.h.CamelNamespaceHandler - Using org.apache.camel.spring.CamelContextFactoryBean as CamelContextBeanDefinitionParser
  10:41:27.561 [EclipseGeminiBlueprintExtenderThread-2] DEBUG o.a.c.s.h.CamelNamespaceHandler - Using org.apache.camel.spring.CamelContextFactoryBean as CamelContextBeanDefinitionParser
  10:41:27.762 [EclipseGeminiBlueprintExtenderThread-2] DEBUG o.e.g.b.c.s.AbstractDelegatedExecutionApplicationContext - Pre refresh error for osgi_testing.test_api [27]
  org.springframework.beans.factory.BeanDefinitionStoreException: Failed to create the JAXB binder; nested exception is javax.xml.bind.JAXBException: Provider com.sun.xml.internal.bind.v2.ContextFactory could not be instantiated: javax.xml.bind.JAXBException: "org.apache.camel.model.config" doesnt contain ObjectFactory.class or jaxb.index
   - with linked exception:
  [javax.xml.bind.JAXBException: "org.apache.camel.model.config" doesnt contain ObjectFactory.class or jaxb.index]
          at org.apache.camel.spring.handler.CamelNamespaceHandler$CamelContextBeanDefinitionParser.doParse(CamelNamespaceHandler.java:380) ~[na:na]
          at org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser.parseInternal(AbstractSingleBeanDefinitionParser.java:85) ~[na:na]
          at org.springframework.beans.factory.xml.AbstractBeanDefinitionParser.parse(AbstractBeanDefinitionParser.java:61) ~[na:na]
          at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:74) ~[na:na]
          at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1411) ~[na:na]
          at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1401) ~[na:na]
          at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:172) ~[na:na]
          at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:142) ~[na:na]
          at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:94) ~[na:na]
          at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:508) ~[na:na]
          at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:392) ~[na:na]
          at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336) ~[na:na]
          at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304) ~[na:na]
          at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181) ~[na:na]
          at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217) ~[na:na]
          at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188) ~[na:na]
          at org.eclipse.gemini.blueprint.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:170) ~[na:na]
          at org.eclipse.gemini.blueprint.context.support.OsgiBundleXmlApplicationContext.loadBeanDefinitions(OsgiBundleXmlApplicationContext.java:140) ~[na:na]
          at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129) ~[na:na]
          at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:612) ~[na:na]
          at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext.access$800(AbstractDelegatedExecutionApplicationContext.java:63) ~[na:na]
          at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext$3.run(AbstractDelegatedExecutionApplicationContext.java:249) ~[na:na]
          at org.eclipse.gemini.blueprint.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85) ~[na:na]
          at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext.startRefresh(AbstractDelegatedExecutionApplicationContext.java:224) ~[na:na]
          at org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.stageOne(DependencyWaiterApplicationContextExecutor.java:224) ~[na:na]
          at org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor.refresh(DependencyWaiterApplicationContextExecutor.java:177) ~[na:na]
          at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext.refresh(AbstractDelegatedExecutionApplicationContext.java:159) ~[na:na]
          at org.eclipse.gemini.blueprint.extender.internal.activator.LifecycleManager$1.run(LifecycleManager.java:207) ~[na:na]
          at java.lang.Thread.run(Unknown Source) ~[na:1.8.0_102]
  Caused by: javax.xml.bind.JAXBException: Provider com.sun.xml.internal.bind.v2.ContextFactory could not be instantiated: javax.xml.bind.JAXBException: "org.apache.camel.model.config" doesnt contain ObjectFactory.class or jaxb.index
          at javax.xml.bind.ContextFinder.newInstance(Unknown Source) ~[na:1.8.0_102]
          at javax.xml.bind.ContextFinder.find(Unknown Source) ~[na:1.8.0_102]
          at javax.xml.bind.JAXBContext.newInstance(Unknown Source) ~[na:1.8.0_102]
          at javax.xml.bind.JAXBContext.newInstance(Unknown Source) ~[na:1.8.0_102]
          at org.apache.camel.impl.DefaultModelJAXBContextFactory.newJAXBContext(DefaultModelJAXBContextFactory.java:31) ~[na:na]
          at org.apache.camel.spring.handler.CamelNamespaceHandler.getJaxbContext(CamelNamespaceHandler.java:217) ~[na:na]
          at org.apache.camel.spring.handler.CamelNamespaceHandler$CamelContextBeanDefinitionParser.doParse(CamelNamespaceHandler.java:378) ~[na:na]
          ... 28 common frames omitted
  Caused by: javax.xml.bind.JAXBException: "org.apache.camel.model.config" doesnt contain ObjectFactory.class or jaxb.index
          at com.sun.xml.internal.bind.v2.ContextFactory.createContext(Unknown Source) ~[na:1.8.0_102]
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_102]
          at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_102]
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_102]
          at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_102]
          at javax.xml.bind.ContextFinder.newInstance(Unknown Source) ~[na:1.8.0_102]
          ... 35 common frames omitted
  10:41:27.770 [EclipseGeminiBlueprintExtenderThread-1] DEBUG o.e.g.b.c.s.AbstractDelegatedExecutionApplicationContext - Pre refresh error for osgi_testing.test_api [27]
spring apache-camel osgi apache-karaf spring-dm
4个回答
3
投票

使用Apache Karaf 4.0.8作为4.1.0是有缺陷的,并且不支持该Camel版本。

并且spring XML文件应该在文件夹中占位符,如该示例所示,例如META-INF/spring

但请注意Spring DM已被弃用并且已经死亡。因此强烈建议使用OSGi Blueprint。

而且在未来,Karaf将拥有某种弹簧XML蓝图XML自动转换器,因此它可以运行spring xml文件,就像它们是蓝图一样。但是有关卡拉夫社区问题的详细信息。


1
投票
[caused by: Unable to resolve camel-spring-dm/2.18.2: missing requirement
[camel-spring-dm/2.18.2] osgi.identity; osgi.identity=spring-dm;

错误非常明显,功能解析器无法找到spring-dm功能,您需要先安装它

feature:install spring-dm

如果我是正确的,karaf将支持权下放到spring-dm,因此该功能可能无法使用,您需要手动安装spring-dm。但就像已经说过的那样,spring-dm已被弃用,并且是一种在OSGi环境中使用spring的错误方法。你应该转移到aries蓝图,或者如果spring真的是必不可少的,你应该使用gemini-blueprint,这是一个与Spring 4.2.x兼容的蓝图实现。

https://eclipse.org/gemini/blueprint/ http://www.eclipse.org/gemini/blueprint/documentation/migration/


0
投票

最后用OSGi移出Camel-Spring。它是一个噩梦组合尝试。这种组合有很多问题。

现在尝试Camel + Blueprint + Karaf。

感谢您的支持。


0
投票

使用Karaf 4.2.3,Camel 2.22.3和Spring 5.1,它就像旧的spring-dm和Spring 3.2一样。对于我来说,几年前为Spring 3.2和Spring DM制作的旧集成使用了以下方面,它毫不费力地工作:

  • 服务/引用,使用引用事务管理器进行测试
  • 纲要属性
  • bean的方法上的@Transactional注释也正确地创建了事务方面

以上证明它是可行的,并且应该允许大多数旧集成几乎开箱即用。蓝图也有可能带来的好处 - 比如能够使用Spring数据(尚未测试),例如mongo,我也在考虑。

显然,您需要使用新的依赖项重新编译项目以使您的清单正确。

它的工作原理归功于Claus提到的 - Spring to Blueprint兼容层。提供此功能的功能称为“aries-blueprint-spring”。我现在还没有在现实生活中使用它,但我正在研究如何将我们的Spring集成从Karaf 2(Fuse 6.3)迁移到Karaf 4(Fuse 7.2)。我个人并不是蓝图的忠实粉丝,因为它有一些烦人的限制,特别是如果你像我一样使用Spring超过十年。

兼容层并不完美,因为:

  1. 它有一些非关键错误 - 如果你用camel路由重启bundle,它将无法启动一些“模板”bean注册错误,我肯定会在某个时候由社区解决。这似乎与十年前完成的这个问题有关:https://issues.apache.org/jira/browse/CAMEL-1899,其中Camel正在添加一些额外的bean,这些bean是为改进单元测试而创建的。您可以通过添加到Spring Context来解决此问题,直到修复为止: <bean id="template" class="java.lang.String"/> <bean id="fluentTemplate" class="java.lang.String"/> <bean id="consumerTemplate" class="java.lang.String"/>
  2. 我无法让spring deployer工作 - 将原始Spring XML部署为捆绑包,就像我们用于捆绑包的JDBC连接池一样。但这是一种利基方式 - 很高兴。

此外,ActiveMQ 5客户端目前只能与Spring 4一起使用,但Red Hat有一个解决方案,因为他们有自己的ActiveMQ客户端版本,这似乎适用于Spring 5。

综上所述,你应该排序并乐于在Karaf 4.2.3中使用Spring 5和Camel。

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