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.passi...@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/ > > > > >
