Details
Description
ResourceManager fails to start because it can't find following jars:
slf4j-simple.jar
netty.jar
servlet-api-2.5.jar
zookeeper.jar
In fact, slf4j is not critical, but it's lack makes finding the reason harder.
CDH is installed from Cloudera deb packages.
It seems like /usr/share/java is not in CLASSPATH and have trivial workaround - I've added those jars into HADOOP_CLASSPATH in hadoop-env.sh but this is rather unexpected - CDH 5.2.x has no such problem in very same environment (either compatibility list says that JDK 1.8 is not supported in CDH 5.2.x).