【发布时间】：2020-11-04 16:35:43
【问题描述】：
这是我第一次使用 Apache Ignite，我只是在二进制文件夹中使用给定的示例配置文件来了解一下。
我的目标是将现有数据库中的数据加载到缓存中。我现在采取的第一个也是唯一的步骤是按照Apache Ignite doc for external storage 创建我自己的XML 文件。但是，我在运行脚本bash ignite.sh [file path] 后收到错误消息。
XML 文件（方括号中的数据库 URL、用户和密码）
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="mysqlDataSource" class="com.mysql.jdbc.jdbc2.optional.MysqlDataSource">
<property name="URL" value="jdbc:oracle:thin:@//[host]:[port]/[database]"/>
<property name="user" value="[user]"/>
<property name="password" value="[password]"/>
</bean>
<bean id="ignite.cfg" class="org.apache.ignite.configuration.IgniteConfiguration">
<property name="cacheConfiguration">
<list>
<!-- Partitioned cache example configuration (Atomic mode). -->
<bean class="org.apache.ignite.configuration.CacheConfiguration">
<property name="name" value="default"/>
<property name="cacheStoreFactory">
<bean class="org.apache.ignite.cache.store.jdbc.CacheJdbcBlobStoreFactory">
<property name="dataSourceBean" value = "mysqlDataSource" />
</bean>
</property>
</bean>
</list>
</property>
<!-- Explicitly configure TCP discovery SPI to provide list of initial nodes. -->
<property name="discoverySpi">
<bean class="org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi">
<property name="ipFinder">
<!-- Uncomment static IP finder to enable static-based discovery of initial nodes. -->
<!--<bean class="org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder">-->
<bean class="org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder">
<property name="addresses">
<list>
<!-- In distributed environment, replace with actual host IP address. -->
<value>127.0.0.1:47500..47509</value>
</list>
</property>
</bean>
</property>
</bean>
</property>
</bean>
</beans>
错误
class org.apache.ignite.IgniteException: Failed to instantiate Spring XML application context (make sure all classes used in Spring configuration are present at CLASSPATH) [springUrl=file:/app/apache/apache-ignite-2.8.1-bin/examples/config/example-cache-blob-store.xml]
at org.apache.ignite.internal.util.IgniteUtils.convertException(IgniteUtils.java:1067)
at org.apache.ignite.Ignition.start(Ignition.java:349)
at org.apache.ignite.startup.cmdline.CommandLineStartup.main(CommandLineStartup.java:300)
Caused by: class org.apache.ignite.IgniteCheckedException: Failed to instantiate Spring XML application context (make sure all classes used in Spring configuration are present at CLASSPATH) [springUrl=file:/app/apache/apache-ignite-2.8.1-bin/examples/config/example-cache-blob-store.xml]
at org.apache.ignite.internal.util.spring.IgniteSpringHelperImpl.applicationContext(IgniteSpringHelperImpl.java:387)
at org.apache.ignite.internal.util.spring.IgniteSpringHelperImpl.loadConfigurations(IgniteSpringHelperImpl.java:104)
at org.apache.ignite.internal.util.spring.IgniteSpringHelperImpl.loadConfigurations(IgniteSpringHelperImpl.java:98)
at org.apache.ignite.internal.IgnitionEx.loadConfigurations(IgnitionEx.java:710)
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:911)
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:820)
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:690)
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:659)
at org.apache.ignite.Ignition.start(Ignition.java:346)
... 1 more
Caused by: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.mysql.jdbc.jdbc2.optional.MysqlDataSource] for bean with name 'mysqlDataSource' defined in URL [file:/app/apache/apache-ignite-2.8.1-bin/examples/config/example-cache-blob-store.xml]; nested exception is java.lang.ClassNotFoundException: com.mysql.jdbc.jdbc2.optional.MysqlDataSource
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1397)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:638)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:607)
at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1496)
at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1018)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:737)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.apache.ignite.internal.util.spring.IgniteSpringHelperImpl.applicationContext(IgniteSpringHelperImpl.java:381)
... 9 more
Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.jdbc2.optional.MysqlDataSource
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.springframework.util.ClassUtils.forName(ClassUtils.java:251)
at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:408)
at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1444)
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1389)
... 17 more
Failed to start grid: Failed to instantiate Spring XML application context (make sure all classes used in Spring configuration are present at CLASSPATH) [springUrl=file:/app/apache/apache-ignite-2.8.1-bin/examples/config/example-cache-blob-store.xml]
Note! You may use 'USER_LIBS' environment variable to specify your classpath.
【问题讨论】：
标签： xml spring spring-boot ignite