Warning: file_get_contents(/data/phpspider/zhask/data//catemap/8/design-patterns/2.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Apache camel Camel SCR(声明性服务)无法访问javax.sql.DataSource_Apache Camel_Apache Karaf_Declarative Services - Fatal编程技术网

Apache camel Camel SCR(声明性服务)无法访问javax.sql.DataSource

Apache camel Camel SCR(声明性服务)无法访问javax.sql.DataSource,apache-camel,apache-karaf,declarative-services,Apache Camel,Apache Karaf,Declarative Services,我已经用pax jdbc配置和以下URL创建了datssource服务 现在数据源服务可用 karaf@root()> service:list javax.sql.DataSource [javax.sql.DataSource] ---------------------- dataSourceName = MySqlDS felix.fileinstall.filename = file:/C:/Apache/apache-karaf-4.2.0/etc/org.ops4j.d

我已经用pax jdbc配置和以下URL创建了datssource服务

现在数据源服务可用

karaf@root()> service:list javax.sql.DataSource
[javax.sql.DataSource]
----------------------
 dataSourceName = MySqlDS
 felix.fileinstall.filename = file:/C:/Apache/apache-karaf-4.2.0/etc/org.ops4j.datasource-MySqlDS.cfg
 osgi.jdbc.driver.class = com.mysql.jdbc.Driver
 osgi.jdbc.driver.name = mysql
 osgi.jndi.service.name = java:/MySqlDS
 password = root
 service.bundleid = 102
 service.factoryPid = org.ops4j.datasource
 service.id = 147
 service.pid = org.ops4j.datasource.eaeb33be-1dcc-4f56-b9f3-37f5185ad761
 service.scope = singleton
 url = jdbc:mysql://localhost:3306/test
 user = root
Provided by :
 OPS4J Pax JDBC Config (102)
但在运行我的路线时,我发现了以下错误

Caused by: org.apache.camel.NoSuchBeanException: No bean could be found in the registry for: MySqlDS of type: javax.sql.DataSource
        at org.apache.camel.util.CamelContextHelper.mandatoryLookupAndConvert(CamelContextHelper.java:201) ~[76:org.apache.camel.camel-core:2.19.5]
        at org.apache.camel.util.EndpointHelper.resolveReferenceParameter(EndpointHelper.java:326) ~[76:org.apache.camel.camel-core:2.19.5]
        at org.apache.camel.util.EndpointHelper.resolveReferenceParameter(EndpointHelper.java:308) ~[76:org.apache.camel.camel-core:2.19.5]
        at org.apache.camel.impl.DefaultComponent.resolveAndRemoveReferenceParameter(DefaultComponent.java:415) ~[76:org.apache.camel.camel-core:2.19.5]
        at org.apache.camel.impl.DefaultComponent.resolveAndRemoveReferenceParameter(DefaultComponent.java:394) ~[76:org.apache.camel.camel-core:2.19.5]
        at org.apache.camel.component.sql.SqlComponent.createEndpoint(SqlComponent.java:62) ~[131:org.apache.camel.camel-sql:2.19.5]
        at org.apache.camel.impl.DefaultComponent.createEndpoint(DefaultComponent.java:116) ~[76:org.apache.camel.camel-core:2.19.5]
        at org.apache.camel.impl.DefaultCamelContext.getEndpoint(DefaultCamelContext.java:676) ~[76:org.apache.camel.camel-core:2.19.5]
        at org.apache.camel.util.CamelContextHelper.getMandatoryEndpoint(CamelContextHelper.java:80) ~[76:org.apache.camel.camel-core:2.19.5]
驼峰SCR运行程序代码段:

protected void setupCamelContext(BundleContext bundleContext, String camelContextId)throws Exception{
        super.setupCamelContext(bundleContext, camelContextId);

        getContext().setUseMDCLogging(true);

        getContext().setUseBreadcrumb(true);

        SqlComponent sql = new SqlComponent();
        getContext().addComponent("sql", sql);
    }
骆驼路线

public void configure() throws Exception {
        // Add a bean to Camel context registry
        AbstractCamelRunner.getRegistry(getContext(), SimpleRegistry.class).put("testString", "this is a test");

        from("{{from}}")
        .to("sql:select * from table?dataSource=#MySqlDS&outputType=StreamList&outputClass=org.apache.camel.component.sql.ProjectModel")
        .to("log:stream")
        .split(body()).streaming()
            .to("log:row")
            .to("mock:result")
        .end();
    }

由于我使用的是#MySqlDS,它假设从服务注册中心获取它,或者我必须添加setupcamelcontext,以及当您使用dataSource=选项时,Camel SQL组件如何期望引用

MySqlDS是osgi.jndi.service.name,而不是引用id