我正在使用Kotlin开发Spring Boot应用程序。由于需要连接到外部API(多云),因此我决定向我的应用程序添加一个配置类,以存储(并从VCS中隐藏)我的敏感数据,例如用户名,密码或API密钥。
所以这就是我所做的:
我创建了一个Config类:
package demons
import org.springframework.beans.factory.annotation.Value
import org.springframework.context.annotation.Configuration
import org.springframework.context.annotation.PropertySource
@Configuration
@PropertySource("classpath:application.properties")
class AppConfig {
@Value("\${test.prop}")
val testProperty: String? = null
}
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然后我在我的application.properties文件中添加了一个test.prop条目
test.prop=TEST
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但是,在我运行的每个测试中,创建AppConfig的实例后,他的testProperty属性null不是string TEST。
例如,此代码段:
val config = AppConfig()
System.out.println(config.testProperty)
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将打印出:
null
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我也尝试过使用单独的.properties文件代替默认的.properties文件,myproperties.properties并将变量声明为lateinit var。在这最后一种情况下,变量似乎永远不会初始化:
kotlin.UninitializedPropertyAccessException: lateinit property testProperty has not been initialized
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我想念什么?
我一直在尝试使用python的elasticsearch库连接到我的ElasticSearch主机。因此,代码如下所示:
client = Elasticsearch(
["https://my-machine.io:9200"],
http_auth=("user", "password")
)
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现在的问题是,该指令仅在我使用python 2.7解释器时有效,而在python 3.6时失败,从而产生以下错误:
File "/usr/local/lib/python3.6/site-packages/elasticsearch/client/__init__.py", line 171, in __init__
self.transport = transport_class(_normalize_hosts(hosts), **kwargs)
File "/usr/local/lib/python3.6/site-packages/elasticsearch/transport.py", line 108, in __init__
self.set_connections(hosts)
File "/usr/local/lib/python3.6/site-packages/elasticsearch/transport.py", line 163, in set_connections
connections = list(zip(connections, hosts))
File "/usr/local/lib/python3.6/site-packages/elasticsearch/transport.py", line 160, in _create_connection
return self.connection_class(**kwargs)
File "/usr/local/lib/python3.6/site-packages/elasticsearch/connection/http_urllib3.py", line 78, in __init__
raise ImproperlyConfigured("Root certificates are missing for certificate "
elasticsearch.exceptions.ImproperlyConfigured: Root certificates are missing for certificate validation. Either pass them in using the ca_certs parameter or install certifi to …Run Code Online (Sandbox Code Playgroud)