Index: java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/derbyStress.java
===================================================================
--- java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/derbyStress.java	(revision 377012)
+++ java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/derbyStress.java	(working copy)
@@ -53,6 +53,9 @@
 				 System.out.println("PASS -- Prepared statement test");
 				 conn.close();
 			}
+
+			reExecuteStatementTest();
+
 			System.out.println("Test derbyStress finished.");
 		} catch (SQLException se) {
 			TestUtil.dumpSQLExceptions(se);
@@ -85,6 +88,9 @@
 	// user (DERBY-210)
 	private static void prepStmtTest(Connection conn, int numRows, int numPreparedStmts) throws Exception
 	{
+		// Don't run under DerbyNetClient until DERBY-210 is fixed
+		if (TestUtil.isDerbyNetClientFramework()) return;
+
 		PreparedStatement ps = null;
 		ResultSet rs = null;
 		conn.setAutoCommit(false);
@@ -117,4 +123,18 @@
 			conn.rollback();
 		}
 	}
+
+	// Tests re-execution of a statement without closing the result
+	// set (DERBY-557).
+	private static void reExecuteStatementTest() throws Exception {
+		System.out.print("DERBY-557: reExecuteStatementTest() ");
+		Connection conn = ij.startJBMS();
+		Statement stmt = conn.createStatement();
+		for (int i = 0; i < 50000; i++) {
+			ResultSet rs = stmt.executeQuery("values(1)");
+			// How silly! I forgot to close the result set.
+		}
+		stmt.close();
+		System.out.println("PASSED");
+	}
 }
Index: java/testing/org/apache/derbyTesting/functionTests/master/derbyStress.out
===================================================================
--- java/testing/org/apache/derbyTesting/functionTests/master/derbyStress.out	(revision 377012)
+++ java/testing/org/apache/derbyTesting/functionTests/master/derbyStress.out	(working copy)
@@ -1,4 +1,5 @@
 Test derbyStress starting
 Testing with 2000 prepared statements
 PASS -- Prepared statement test
+DERBY-557: reExecuteStatementTest() PASSED
 Test derbyStress finished.
\ No newline at end of file
Index: java/testing/org/apache/derbyTesting/functionTests/suites/DerbyNetClient.exclude
===================================================================
--- java/testing/org/apache/derbyTesting/functionTests/suites/DerbyNetClient.exclude	(revision 377012)
+++ java/testing/org/apache/derbyTesting/functionTests/suites/DerbyNetClient.exclude	(working copy)
@@ -7,7 +7,6 @@
 # excluding jdbcapi/checkDataSource30.java - Client behaves differently. Need to look into this
 # excluding jdbcapi/statementJdbc30.java - Client behaves differently. Need to look into this
 # excluding jdbcapi/dataSourceReference.java - client side only tests, tests all data sources
-# excluding jdbcapi/derbyStress.java - till DERBY-210 is fixed
 #           regardless of framework
 lang/errorStream.java
 # lang/scrollCursors2.java
@@ -18,4 +17,3 @@
 jdbcapi/checkDataSource30.java
 jdbcapi/statementJdbc30.java
 jdbcapi/dataSourceReference.java
-jdbcapi/derbyStress.java