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Here was a similar [Bugtracker, bug 7094, unable to reproduce] Unable to display basic settings for tMSSqlxxx components.
I am having this problem all the time.
I create a job. Run it. reconfigure and suddenly none of the component settings is available.
I then close everything. Restart Talend OS and the project and everything is back.
I am using 3.2 on Windows 7.