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RabbitInAHat Error

Developers
#1

I’m trying to install WhiteRabbit and RabbitInAHat onto a CentOS virtual machine and I’m having trouble running RIAH. When I try to run it I get an “Error: Invalid File Format” and the logs look like this:

java.util.zip.ZipException: Not in GZIP format
at java.base/java.util.zip.GZIPInputStream.readHeader(GZIPInputStream.java:165)
at java.base/java.util.zip.GZIPInputStream.(GZIPInputStream.java:79)
at java.base/java.util.zip.GZIPInputStream.(GZIPInputStream.java:91)
at org.ohdsi.rabbitInAHat.dataModel.ETL.fromFile(ETL.java:188)
at org.ohdsi.rabbitInAHat.RabbitInAHatMain.doOpenSpecs(RabbitInAHatMain.java:556)
at org.ohdsi.rabbitInAHat.RabbitInAHatMain.(RabbitInAHatMain.java:193)
at org.ohdsi.rabbitInAHat.RabbitInAHatMain.main(RabbitInAHatMain.java:115)
java.lang.NullPointerException: Cannot invoke “org.ohdsi.rabbitInAHat.dataModel.ETL.getTableToTableMapping()” because “org.ohdsi.rabbitInAHat.ObjectExchange.etl” is null
at org.ohdsi.rabbitInAHat.RabbitInAHatMain.doOpenSpecs(RabbitInAHatMain.java:557)
at org.ohdsi.rabbitInAHat.RabbitInAHatMain.(RabbitInAHatMain.java:193)
at org.ohdsi.rabbitInAHat.RabbitInAHatMain.main(RabbitInAHatMain.java:115)
Exception in thread “AWT-EventQueue-0” java.lang.NullPointerException: Cannot invoke “org.ohdsi.rabbitInAHat.dataModel.ETL.hasStemTable()” because “org.ohdsi.rabbitInAHat.ObjectExchange.etl” is null
at org.ohdsi.rabbitInAHat.MappingPanel.setLabeledRectanglesLocation(MappingPanel.java:236)
at org.ohdsi.rabbitInAHat.MappingPanel.layoutItems(MappingPanel.java:225)
at org.ohdsi.rabbitInAHat.MappingPanel.setSize(MappingPanel.java:281)…

I thought there might be an issue with something on the network being blocked but my IT guy says that’s not the case. Any ideas? Thanks for any help!

#2

Thanks for reaching out. Could you explain how you are trying to execute Rabbit in a Hat? The error shows that RiaH is trying to open a file, which it should normally not do on a normal startup.

Please note that RiaH is only useful to run with a graphical user interface. Only WR can be used without the GUI (i.e. scanning a database with connection settings from the config file).

#3

Thanks! I’m starting it through the terminal with just ./rabbitinahat, but it does open the GUI.

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