Hibernate + Log4J2 Performance Problem
by Petar Tahchiev
Hello,
I'm really sorry to post this here but I couldn't find any jboss-logging
mailing list. So here's my question. I'm reading this issue:
https://issues.jboss.org/browse/JBLOGGING-95
and I'm trying to make my hibernate use log4j2. So far I had
<dependency>
<groupId>org.jboss.logging</groupId>
<artifactId>jboss-logging-log4j</artifactId>
<version>${jboss.logging.version}</version>
</dependency>
and I have log4j -> log4j2 routed. Unfortunately now my hibernate creates a
log4j.log file and log4j prints the messages to the command line (still no
log4j2) :(
So I got rid of this dependency and I added the jboss-logging. So now
here's my set of jars:
hibernate-core
hibernate-entitymanager
hibernate-c3p0
hibernate-validator
log4j2
org.jboss.logging:jboss-logging:jar:3.2.0.Beta1
then I run my task and I get performance of:
[INFO]
------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 3:12.951s
[INFO] Finished at: Fri Jul 11 12:50:41 EEST 2014
[INFO] Final Memory: 128M/508M
[INFO]
------------------------------------------------------------------------
3 minutes and 12 seconds. Performance is quite good. However I use the
maven enforcer plugin and maven did warn me I have duplicate classes:
Duplicate classes found:
Found in:
org.jboss.logging:jboss-logging:jar:3.1.3.GA:compile
org.jboss.logging:jboss-logging:jar:3.2.0.Beta1:compile
Duplicate classes:
org/jboss/logging/Field.class
org/jboss/logging/LoggerProvider.class
org/jboss/logging/Log4jLoggerProvider.class
org/jboss/logging/NDC.class
org/jboss/logging/MessageBundle.class
org/jboss/logging/AbstractMdcLoggerProvider.class
org/jboss/logging/Log4jLogger$1.class
org/jboss/logging/Messages$1.class
org/jboss/logging/JDKLevel.class
org/jboss/logging/DelegatingBasicLogger.class
org/jboss/logging/JDKLoggerProvider.class
org/jboss/logging/Slf4jLoggerProvider.class
org/jboss/logging/LoggingClass.class
org/jboss/logging/Messages.class
org/jboss/logging/AbstractLoggerProvider.class
org/jboss/logging/Property.class
org/jboss/logging/JBossLogRecord.class
org/jboss/logging/SerializedLogger.class
org/jboss/logging/Message.class
org/jboss/logging/MDC.class
org/jboss/logging/Message$Format.class
org/jboss/logging/JBossLogManagerProvider$1.class
org/jboss/logging/Cause.class
org/jboss/logging/Param.class
org/jboss/logging/JDKLogger$1.class
org/jboss/logging/JBossLogManagerLogger.class
org/jboss/logging/Slf4jLogger.class
org/jboss/logging/JBossLogManagerProvider.class
org/jboss/logging/FormatWith.class
org/jboss/logging/Slf4jLocationAwareLogger$1.class
org/jboss/logging/Logger$Level.class
org/jboss/logging/BasicLogger.class
org/jboss/logging/Logger$1.class
org/jboss/logging/JDKLogger.class
org/jboss/logging/JBossLogManagerLogger$1.class
org/jboss/logging/MessageLogger.class
org/jboss/logging/ParameterConverter.class
org/jboss/logging/Logger.class
org/jboss/logging/Slf4jLocationAwareLogger.class
org/jboss/logging/Log4jLogger.class
org/jboss/logging/LoggerProviders$1.class
org/jboss/logging/Slf4jLogger$1.class
org/jboss/logging/AbstractLoggerProvider$Entry.class
org/jboss/logging/LogMessage.class
org/jboss/logging/LoggerProviders.class
I excluded the jboss-logging from all hibernate dependencies like this:
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>${hibernate.validator.version}</version>
<exclusions>
<exclusion>
<groupId>org.jboss.logging</groupId>
<artifactId>jboss-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
No more duplicate classes :) . I run the same task again and here's the
performance:
[INFO]
------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 1:30:04.829s
[INFO] Finished at: Fri Jul 11 12:28:08 EEST 2014
[INFO] Final Memory: 118M/512M
[INFO]
------------------------------------------------------------------------
1 hour and 30 minutes and 4 seconds!!!!!! OMG :X How could this be??? And
on top of this no Log4j messages are coming through :(
This is probably a bug or I'm clearly missing how to setup Hibernate and
LOG4J2. Can you please help me, or at least point me to a forum or mailing
list where I can post this.
--
Regards, Petar!
Karlovo, Bulgaria.
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