virajjasani commented on a change in pull request #4028:
URL: https://github.com/apache/hadoop/pull/4028#discussion_r816722818
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/TestMiniJournalCluster.java
##########
@@ -52,4 +53,70 @@ public void testStartStop() throws IOException {
c.shutdown();
}
}
+
+ @Test
+ public void testStartStopWithPorts() throws IOException {
+ Configuration conf = new Configuration();
+
+ try {
+ new MiniJournalCluster.Builder(conf).setHttpPorts(8481).build();
+ fail("Should not reach here");
+ } catch (IllegalArgumentException e) {
+ assertEquals("Num of http ports (1) should match num of JournalNodes
(3)", e.getMessage());
+ }
+
+ try {
+ new MiniJournalCluster.Builder(conf).setRpcPorts(8481, 8482)
+ .build();
+ fail("Should not reach here");
+ } catch (IllegalArgumentException e) {
+ assertEquals("Num of rpc ports (2) should match num of JournalNodes
(3)", e.getMessage());
+ }
+
+ try {
+ new MiniJournalCluster.Builder(conf).setHttpPorts(800, 9000,
10000).setRpcPorts(8481)
+ .build();
+ fail("Should not reach here");
+ } catch (IllegalArgumentException e) {
+ assertEquals("Num of rpc ports (1) should match num of JournalNodes
(3)", e.getMessage());
+ }
+
+ try {
+ new MiniJournalCluster.Builder(conf).setHttpPorts(800, 9000, 1000, 2000)
+ .setRpcPorts(8481, 8482, 8483)
+ .build();
+ fail("Should not reach here");
+ } catch (IllegalArgumentException e) {
+ assertEquals("Num of http ports (4) should match num of JournalNodes
(3)", e.getMessage());
+ }
+
+ MiniJournalCluster miniJournalCluster =
+ new MiniJournalCluster.Builder(conf).setHttpPorts(8481, 8482, 8483)
+ .setRpcPorts(8491, 8492, 8493).build();
Review comment:
> We can not rely completely on Jenkins, I remember seeing an issue with
a RBF test, where we had a port hard-coded, and for some organisation, there
internal build was failing for that test, because they had something running on
that port.
Valid point!
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