After hours of testing:

 

java.lang.ArrayIndexOutOfBoundsException: 2
 at org.firebirdsql.jgds.GDS_Impl.isc_vax_integer(GDS_Impl.java:1300)
 at org.firebirdsql.jgds.GDS_Impl.parseTruncSqlInfo(GDS_Impl.java:1901)
 at org.firebirdsql.jgds.GDS_Impl.parseSqlInfo(GDS_Impl.java:1873)
 at org.firebirdsql.jgds.GDS_Impl.isc_dsql_prepare(GDS_Impl.java:1163)
 at org.firebirdsql.jca.FBManagedConnection.prepareSQL(FBManagedConnection.java:767)
 at org.firebirdsql.jdbc.FBConnection.prepareSQL(FBConnection.java:1107)
 at org.firebirdsql.jdbc.FBStatement.prepareFixedStatement(FBStatement.java:942)
 at org.firebirdsql.jdbc.FBPreparedStatement.prepareFixedStatement(FBPreparedStatement.java:699)
 at org.firebirdsql.jdbc.FBPreparedStatement.<init>(FBPreparedStatement.java:78)
 at org.firebirdsql.jdbc.FBConnection.prepareStatement(FBConnection.java:243)
 at ru._1c.ls.db.rdbms.DBUtil.execQuery(DBUtil.java:160)
...

 

(firebird 1.0, JayBird 1.0.0)

 

Any suggestions?