On 2011-05-26 07:24, Irina 264 wrote:
> Dear team,
> I install Tab2MageExporter plugin into /base/plugins directory and
> addition copy Tab2MageExporter.jar and ebi-plugins-utils.jar into
> /base/www/WEB-INF/lib directory

Never install the same jar file in two locations. It can result in 
random failures.

> I have an error message, when I export Experiment with Tab2Mage exporter:
> *View job -- Run plugin: Tab2Mage exporter*
> *Status*
> Error:
> *Stack trace*
> java.lang.NullPointerException
> at uk.ac.ebi.nugo.plugins.Tab2MageExporter.run(Tab2MageExporter.java:354)
> at
> net.sf.basedb.core.PluginExecutionRequest.invoke(PluginExecutionRequest.java:116)
> at
> net.sf.basedb.core.InternalJobQueue$JobRunner.run(InternalJobQueue.java:510)
> at java.lang.Thread.run(Thread.java:636)
> Could you, please, tell me what is wrong or what I missed?

I recommend that you use the "Experiment overview" first to ensure that 
there are no error messges and warnings. Select your experiment from the 
list and then go to the "Overview" tab and click on the "Validate" 
button. The Tab2Mage exporter assumes that your experiment includes a 
lot of information all the way up to BioSource items.

The exception in your case seems to come from not having specified a 
scan for the raw bioassay.


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