The log in the workspace/metadata folder only contains log items from December 2014. I've also looked in X:\TOS_DI-Win32-20141207_1530-V5.6.1\.metadata and that log file contains items dated April 2015. It's quite long:
!SESSION 2015-02-09 11:17:52.816 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.7.0_40
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_GB
Command-line arguments: -os win32 -ws win32 -arch x86_64
This is a continuation of log file X:\Greenpeace Andino\TOS_DI-Win32-20141207_1530-V5.6.1\.metadata\.bak_0.log
Created Time: 2015-02-09 11:18:24.928
!ENTRY org.talend.platform.logging 1 0 2015-02-09 11:18:24.928
!MESSAGE 2015-02-09 11:18:24,926 INFO org.talend.commons.exception.CommonExceptionHandler - The download URL for h2-1.3.160.jar is not available
!ENTRY org.talend.platform.log
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