Stored procedure call returns null result set when using temp table in sp!

Question

Here's a really odd problem...
SQL Server stored procedure called sp_Test takes 1 input INT. Here is the code I call it with
cStmt = connection.prepareCall("{call sp_Test(?)}");
cStmt.setInt(1, 44);
cStmt.execute();
rs = cStmt.getResultSet();When the body of the stored proc is
CREATE PROCEDURE sp_Test(@i_NodeID INT)
AS
BEGIN
  SELECT node_id FROM tbl_NavTree
END
GOthe query works and I get all node_id back in rs
BUT when the body of the stored proc is
CREATE PROCEDURE sp_Test(@i_NodeID INT)
AS
BEGIN
  CREATE TABLE #Descendants(
    descendant_id INT
  SELECT node_id FROM tbl_NavTree
  DROP TABLE #Descendants
END
GOThe rs comes back as NULL. Really really weird if you ask me. I also tried removing the DROP TABLE line just in case the SELECT had to be the last statement but still NULL.
Final note is that BOTH the above stored proc bodies work when executed within SQL Server query analyser.
Must be JDBC .. what can it be!??

Answer 1

DROP TABLE #DescendantsMS SQL Server - right?
Then don't drop the table.
From the MS docs for "create table"
Local temporary tables are visible only in the current session;
A local temporary table created in a stored procedure is dropped automatically when the stored procedure completes. The table can be referenced by any nested stored procedures executed by the stored procedure that created the table. The table cannot be referenced by the process which called the stored procedure that created the table.