[logback-user] slf4 with logback causes java.lang.OutOfMemoryError: Java heap space

Mel T machintruc at gmail.com
Wed Jul 29 18:37:21 CEST 2009

Mel T wrote:
> I will use jmap and let you know.
> What I also found out is that the memory error goes out if I specify a
> logback.xml instead of relying on the default configuration. I changed it
> to use
> <configuration>
> 	<root level="warn">
> 	</root>
> </configuration>
> and it worked fine.
> ...

When running ANT tasks in eclipse, it seems that the log messages are
accumulated in memory before they get dumped in the console. Therefore, when
running with the default config, it causes all debug logs to be in memory
(and these failing tests use hibernate, spring, and many other libs). 

It is unclear to me though why the problem occurs with logback and not with
sl4j-simple nor log4j.

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