zone1511 commented on issue #763: Decouple JDBCURL parser logic from URLParser URL: https://github.com/apache/incubator-skywalking/issues/763#issuecomment-359024172 @wu-sheng I found if I use `AgentClassLoader.getDefault()` in the service loader, it will throws ```java java.util.ServiceConfigurationError: org.apache.skywalking.apm.plugin.jdbc.connectionurl.parser.ConnectionURLParser: Provider org.apache.skywalking.apm.plugin.jdbc.h2.parser.H2URLParser not a subtype ``` where `ConnectionURLParser` is the SPI interface and `H2URLParser` is the SPI implementation and debug shows the Concrete class and Service interface are not loaded from `AgentClassLoader.getDefault()` but loaded by another instance of AgentClassLoader Is this expected? or I should use the default `load()` method instead specifying the class loader?
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