我试图构建camel-sql应用程序,但我已经堆栈了。
我在http://camel.apache.org/sql-component.html
页面中找到了有关camel-sql的信息。
我已经创建了xml配置,如示例所示,在FUSE ESB中我发现了异常:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name
'camel-21': Invocation of init method failed; nested exception is
org.springframework.beans.factory.CannotLoadBeanClassException:
Cannot find class [org.springframework.jdbc.datasource.DriverManagerDataSource]
for bean with name 'esb' defined in URL [bundle://249.2:0/META-INF/spring/camel-context.xml]; nested exception is java.lang.ClassNotFoundException:
org.springframework.jdbc.datasource.DriverManagerDataSource not found from bundle [camel]
但在我的fuse控制台中,我有springjdbc:
karaf@root> osgi:list | grep Spring
ID状态蓝图春季级别名称[73][Active][][][60]春豆(3.0.5.RELEASE)
[74][Active][][][60]Spring上下文支持(3.0.5.RELEASE)
[75][Active][][][60]Spring Context(3.0.5.RELEASE)
[76][Active][][][60]Spring表达式语言(3.0.5.RELEASE)
[77][Active][][][60]弹簧ASM(3.0.5.RELEASE)
[78][Active][][][60]弹簧芯(3.0.5.RELEASE)
[79][Active][][][60]Spring AOP(3.0.5.RELEASE)
[87][Active][][][60]Apache XBean::Spring(3.8)
[92][Active][][][50]春季交易(3.0.5.RELEASE)
[94][Active][][][50]Spring JMS(3.0.5.RELEASE)
[169][Active][][][50]Apache XBean::Spring(3.7)
[223][Active][][][60]Spring Web(3.0.5.RELEASE)
[224][Active][][][60]Spring Web Servlet(3.0.5.RELEASE)
[252][Active][][][50]Spring JDBC(3.0.5.RELEASE)
我该怎么办?
更新:
我的POM是:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>camelWs</groupId>
<artifactId>camel</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>A Camel Route</name>
<url>http://www.myorganization.org</url>
<dependencies>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-core</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-spring</artifactId>
<version>2.9.0</version>
</dependency>
<!-- logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.16</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>3.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>3.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>3.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>3.0.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-sql</artifactId>
<version>2.8.0</version>
<!-- use the same version as your Camel core version -->
</dependency>
</dependencies>
<build>
<defaultGoal>install</defaultGoal>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>2.1.0</version>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
<Import-Package>
org.springframework.jdbc.datasource
</Import-Package>
</instructions>
</configuration>
</plugin>
<!-- allows the route to be ran via 'mvn camel:run' -->
<plugin>
<groupId>org.apache.camel</groupId>
<artifactId>camel-maven-plugin</artifactId>
<version>2.9.0</version>
<configuration>
<instructions>
<Import-Package>
*,
org.springframework.jdbc,
org.springframework.jdbc.datasource
</Import-Package>
<DynamicImport-Package>camel.*</DynamicImport-Package>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
</project>
但是当我使用osgi:headers时,我看不到导入的类,我的pom.xml有什么问题?
osgi:标头:
camel (271)
-----------
Manifest-Version = 1.0
Bnd-LastModified = 1332154265299
Archiver-Version = Plexus Archiver
Tool = Bnd-0.0.357
Originally-Created-By = Apache Maven
Generated-By-Ops4j-Pax-From = wrap:file:/.../$Bundle-SymbolicName=camel&Bundle-Version=1.0.0.SNAPSHOT
Build-Jdk = 1.6.0_29
Created-By = 1.6.0_29 (Apple Inc.)
Bundle-Name = camel
Bundle-SymbolicName = camel
Bundle-Version = 1.0.0.SNAPSHOT
Bundle-ManifestVersion = 2
Private-Package =
.
Import-Package =
camel;resolution:=optional,
org.apache.camel.builder;resolution:=optional,
org.apache.camel.model;resolution:=optional,
org.apache.camel.spring;resolution:=optional
Export-Package =
camel;uses:="org.apache.camel.builder,org.apache.camel.model,org.apache.camel.spring"
OSGi对于安装和使用JDBC驱动程序来说可能有点麻烦。一个行之有效的解决方案是将JDBC驱动程序作为片段捆绑包安装到捆绑包中。
它已经在FuseSource论坛上讨论过了,那里有如何解决这个问题的说明。一个起点是这个链接:http://fusesource.com/forums/thread.jspa?messageID=13043&13043,然后按照参考文献进行其他讨论,了解更多细节以及如何解决它。
您应该确保您的路由在org.springframework.jdbc.datasource上有一个导入包。您可以使用karaf中的header命令来验证它。
好的,我找到了解决方案。
这很容易——我只需要安装mysql连接器。
谢谢大家。