Does this look familiar to anyone?

Caused by: org.firebirdsql.jdbc.FBSQLException: GDS Exception. invalid
transaction handle (expecting explicit transaction start)
at
org.firebirdsql.jdbc.FBBlob$FBBlobInputStream.<init>(FBBlob.java:349)
at
org.firebirdsql.jdbc.FBBlob$FBBlobInputStream.<init>(FBBlob.java:313)
at org.firebirdsql.jdbc.FBBlob.getBinaryStream(FBBlob.java:158)
at
com.tripwire.space.core.element.Content.getInputStream(Content.java:212)
... 69 more


Should I not be able to call #getBinaryStream more than once?

R.