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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: Cassandra 3.10: ClassCastException in ThreadAwareSecurityManager
Date Fri, 31 Mar 2017 14:21:39 GMT
I created https://issues.apache.org/jira/browse/CASSANDRA-13396 for you

https://issues.apache.org/jira/browse/CASSANDRA-13396

/**
* The purpose of this class is
*/ this purpose of this class is ...what ? this class is who? sicka sicka
slim shady.

On Thu, Mar 30, 2017 at 1:48 PM, Anton PASSIOUK <
anton.passiouk@hsoftware.com> wrote:

> Hello
>
> After upgrading from Cassandra 3.6 to 3.10 I have suddenly started having
> errors like this:
>
> java.lang.ClassCastException: org.slf4j.impl.JDK14LoggerAdapter cannot be
> cast to ch.qos.logback.classic.Logger
>         at org.apache.cassandra.cql3.functions.ThreadAwareSecurityManager.
> install(ThreadAwareSecurityManager.java:82)
>         at org.apache.cassandra.service.CassandraDaemon.setup(
> CassandraDaemon.java:193)
>         at org.apache.cassandra.service.CassandraDaemon.activate(
> CassandraDaemon.java:601)
>         at com.ingalys.cassandra.CassandraWrapper.<init>(
> CassandraWrapper.java:150)
>         at com.ingalys.cassandra.Builder.build(Builder.java:22)
>         at com.ingalys.soa.ServiceContainer$1.lambda$run$
> 0(ServiceContainer.java:172)
>         at com.ingalys.fmk2.util.ThrowingFunction.apply(
> ThrowingFunction.java:14)
>         at com.ingalys.fmk2.util.PromiseImpl.lambda$
> thenCompose$5(PromiseImpl.java:166)
>
> I am embedding Cassandra nodes in a container of mine and it happens that
> there are several slf4j bindings that are transitively brought to the
> classpath by other dependencies.
> I have read that in this case slf4j chooses one of the bindings
> more-or-less randomly, in my case it takes the "jdk14" implementation and
> makes Cassandra daemon (and me too) unhappy because there is a hard-coded
> cast to ch.qos.logback.classic.Logger in ThreadAwareSecurityManager:
>
> https://github.com/apache/cassandra/blob/trunk/src/java/
> org/apache/cassandra/cql3/functions/ThreadAwareSecurityManager.java#L83
>
> Of course this crashes if another slf4j binding is used (by accident like
> me, or as a conscious choice) so I was wondering if this code should check
> the type of the logger before cast and adopt some fallback behavior if
> slf4j is not bound to logback?
>
> Thanks and regards,
> --
> Anton PASSIOUK
> Horizon Software - Trade Your Way
> http://www.hsoftware.com/
>
>
>
>
>

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