ClassCastException io.vertx.core.$Impl_Vertx cannot be cast to io.vertx.core.impl.VertxInternal

[Sahbi Sahloul]

Hi,

When upgrading from v3.2.1 to v3.3.0

I'm having this error with vertx-jdbc-client package

java.lang.ClassCastException: io.vertx.core.$Impl_Vertx cannot be cast to io.vertx.core.impl.VertxInternal

at io.vertx.ext.jdbc.impl.JDBCClientImpl.lookupHolder(JDBCClientImpl.java:140)

at io.vertx.ext.jdbc.impl.JDBCClientImpl.<init>(JDBCClientImpl.java:76)

at io.vertx.ext.jdbc.JDBCClient.createNonShared(JDBCClient.java:59)

This is occuring a a junit test.

Any ideas ? Help much appreciated.

Thanks,

Sahbi

[Julien Viet]

hi,

this seems strange, can you provide a small Maven project to reproduce it ?

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[Sahbi Sahloul]

Attached a small Maven project to reproduce it.

[Julien Viet]

Hi,

you are creating a Vert.x mock and the JDBC client does not expect that.

you should use instead “vertx = Vertx.vertx()” in your code

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<vertx-test.zip>

[Sahbi Sahloul]

Thanks for the hint. 

Strange it was working with the previous version

Thanks a lot :)