external-software/github_OpenIdentityPlatform_OpenDJ.git

			@@ -214,12 +214,13 @@

			/**
			* A driver reports the vendor error of a failed statement as the next exception of a generic
			* one at least as often as it reports it as the cause. Reading only the cause chain classifies
			* a lock timeout as a rejection, which leaves the tree unstamped until the next start over a
			* moment of contention.
			* one at least as often as it reports it as the cause, and the statement of a try-with-resources
			* carries what its {@code close()} saw as a suppressed exception. Reading fewer chains than the
			* classifiers of a write read classifies a lock timeout - or a connection that broke - as a
			* rejection, which leaves the tree unstamped for the life of the backend.
			*/
			@Test
			public void testFailureScopeWalksBothChains() {
			public void testFailureScopeWalksEveryChain() {
			final SQLException reportedAsTheCause = new SQLException("statement failed",
			new SQLException("lock wait timeout exceeded", "HY000", 1205));
			assertEquals(JDBCStorage.failureScope(reportedAsTheCause, JDBCStorage.Dialect.MYSQL),
			@@ -236,6 +237,13 @@
			assertEquals(JDBCStorage.failureScope(connectionGone, JDBCStorage.Dialect.MYSQL),
			JDBCStorage.FailureScope.SESSION, "a connection exception on the next-exception chain was missed");

			// the close() of the statement is where a connection that broke under a stamp is often the
			// only witness, and it joins the failure being unwound as a suppressed exception (JLS 14.20.3.1)
			final SQLException reportedByTheClose = new SQLException("statement failed");
			reportedByTheClose.addSuppressed(new SQLException("connection closed", "08006"));
			assertEquals(JDBCStorage.failureScope(reportedByTheClose, JDBCStorage.Dialect.MYSQL),
			JDBCStorage.FailureScope.SESSION, "a connection exception suppressed into the failure was missed");

			// a driver that chains an exception back to itself must not make the walk loop
			final SQLException selfReferring = new SQLException("statement failed");
			selfReferring.setNextException(selfReferring);