Hello Team,
I am trying to externalize log4j from my task.
So at present I run all the task from one tar.gz. And inside that I have
log4j.xml.
But now I want to externalize the log4j.xml so that I can have more control
over logs. So before running my task I tried to set the JAVA_OPTS:
export
JAVA_OPTS="-Dlog4j.configuration=file://$PWD/deploy/alice/config/log4j.xml "
And I get the following error when I run my task :
Like : deploy/alice/bin/run-job.sh
--config-factory=org.apache.samza.config.factories.PropertiesConfigFactory
--config-path=file://$PWD/deploy/alice/config/EntryTask.properties
log4j:ERROR Could not create an Appender. Reported error follows.
org.apache.samza.SamzaException: Got null container name from system property:
samza.container.name. This is used as the key for the log appender, so can't
proceed.
at
org.apache.samza.logging.log4j.StreamAppender.activateOptions(StreamAppender.java:89)
at
org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:307)
at
org.apache.log4j.xml.DOMConfigurator.parseAppender(DOMConfigurator.java:295)
at
org.apache.log4j.xml.DOMConfigurator.findAppenderByName(DOMConfigurator.java:176)
Then I tried with following command :
export
JAVA_OPTS="-Dlog4j.configuration=file://$PWD/deploy/alice/config/log4j.xml
-Dsamza.container.name=samza-application-master"
log4j:ERROR Could not create an Appender. Reported error follows.
java.lang.NullPointerException
at java.io.StringReader.<init>(StringReader.java:50)
at
org.codehaus.jackson.JsonFactory.createJsonParser(JsonFactory.java:636)
at
org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1863)
at
org.apache.samza.logging.log4j.StreamAppender.getConfig(StreamAppender.java:180)
at
org.apache.samza.logging.log4j.StreamAppender.activateOptions(StreamAppender.java:92)
at
org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:307)
at
org.apache.log4j.xml.DOMConfigurator.parseAppender(DOMConfigurator.java:295)
So my doubt is : why we need to give first of all
-Dsamza.container.name=samza-application-master as it is already present in
run-am.sh
Second thing could anyone please help me in externilaztion of log4j.xml.
Regards,
Ankush
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