Explore Internal Server error

[egonw]

Due to this exception:

java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1
        at org.bridgedb.webservicetesting.BridgeDbWebservice.Batch.multiDataSource(Batch.java:79)
        at org.bridgedb.webservicetesting.BridgeDbWebservice.Batch.post(Batch.java:52)
        at org.restlet.resource.ServerResource.doHandle(ServerResource.java:620)

Likely just bad input, but something better should be returned than 500.