The issue is I think we changed something where it went from having good default behavior if you don't include a log4j.properties file to having an error message. I think it depends how the user is running Spark though, so I wanted to get specifics.
On Thu, Nov 28, 2013 at 10:39 AM, Prashant Sharma <[email protected]> wrote: > I think all that is needed is an log4j.properties on the classpath > http://logging.apache.org/log4j/1.2/faq.html#noconfig > > > On Thu, Nov 28, 2013 at 11:52 PM, Patrick Wendell <[email protected]> > wrote: >> >> Hey Wenlei, >> >> There is some issue in master that is repressing the log output - I'm >> trying to debug it before we release 0.8.1. Can you explain exactly >> how you are running Spark? Are you running the shell or are you >> running a standalone application? >> >> - Patrick >> >> On Thu, Nov 28, 2013 at 12:54 AM, Wenlei Xie <[email protected]> wrote: >> > Hi, >> > >> > I remember Spark used to print detailed error log into the stderr (e.g. >> > constructing RDD, evaluate it, how much memory each partition consumes). >> > But >> > I cannot find it anymore but only with the following information: >> > >> > SLF4J: Class path contains multiple SLF4J bindings. >> > SLF4J: Found binding in >> > >> > [jar:file:/u/ytian/wenlei/dynamicGraph/graphx/examples/target/scala-2.9.3/spark-examples-assembly-0.9.0-incubating-SNAPSHOT.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> > SLF4J: Found binding in >> > >> > [jar:file:/u/ytian/wenlei/dynamicGraph/graphx/assembly/target/scala-2.9.3/spark-assembly-0.9.0-incubating-SNAPSHOT-hadoop1.0.4.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> > SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an >> > explanation. >> > SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory] >> > log4j:WARN No appenders could be found for logger >> > (akka.event.slf4j.Slf4jEventHandler). >> > log4j:WARN Please initialize the log4j system properly. >> > log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for >> > more info. >> > >> > >> > What should I do for it? >> > >> > Thanks, >> > >> > Wenlei > > > > > -- > s
