无法让Elasticsearch插件使用Grails 3
我尝试用Grails3.1.9项目连接Elasticsearch插件('org.grails.plugins:elasticsearch:1.4.1')。
我还在github中上传了一个简单的应用程序来演示这个问题(https://github.com/jackiebai/testEs)
上面的示例测试应用程序只有一个名为Person的域类
class Person {
String name
static searchable = true
static constraints = {
}
}相应的服务类PersonService用于保存和索引Person数据：
import grails.transaction.Transactional
@Transactional
class PersonService {
def addPerson(Person person){
person.save()
person.index()
}
def addPerson(String name) {
Person p = new Person(name:name)
addPerson(p)
}
}我还在BootStrap.groovy中添加了几行代码，以便在应用程序启动时将一些数据插入到默认的hibernate db中：
class BootStrap {
def personService
def init = { servletContext ->
personService.addPerson("Person One")
personService.addPerson("John Smith")
}
def destroy = {
}
}开发环境的application.yml变量设置如下所示: environment : dataSource: dbCreate: create-drop url: application.ymlDB_CLOSE_ON_EXIT=FALSE elasticSearch: client:模式:节点transport.sniff: true bulkIndexOnStartup: true datastoreImpl: hibernateDatastore
附加依赖项和bootRun代码块通过遵循插件用户指南(http://noamt.github.io/elasticsearch-grails-plugin/docs/index.html)包含在build.gradle中。
dependencies {
...
compile 'org.grails.plugins:elasticsearch:1.4.1'
compile 'org.elasticsearch:elasticsearch:5.4.1'
...
}
bootRun{
jvmArgs = ['-Des.path.home=/Users/myname/elasticsearch-5.4.1']
}不幸的是，应用程序未能在我的OSX10.11.6，java 1.8.0_91环境下运行，有以下错误：
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'elasticSearchClient': FactoryBean threw exception on object creation; nested exception is java.lang.NoClassDefFoundError: org/elasticsearch/mapper/attachments/MapperAttachmentsPlugin
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:175)
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.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:351)
... 34 common frames omitted
Caused by: java.lang.NoClassDefFoundError: org/elasticsearch/mapper/attachments/MapperAttachmentsPlugin
at grails.plugins.elasticsearch.ClientNodeFactoryBean.getObject(ClientNodeFactoryBean.groovy:207)
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:168)
... 39 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.elasticsearch.mapper.attachments.MapperAttachmentsPlugin
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)
... 41 common frames omitted回答 2
Stack Overflow用户
发布于 2017-12-20 06:04:52
根据文档，您应该使用v1.2.0
Stack Overflow用户
发布于 2018-01-12 14:51:07
我相信1.4.1版已经坏了。您可以使用Grails 3.3+尝试2.4.0.RC1，但是您需要向mapper-attachments添加依赖项，并为Spring指定elasticsearch.version：
ext['elasticsearch.version'] = '5.4.1'
dependencies {
compile 'org.grails.plugins:elasticsearch:2.4.0.RC1'
runtime 'org.elasticsearch.plugin:mapper-attachments:2.4.6'
}请参阅issue#198
https://stackoverflow.com/questions/47063484
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