ndimiduk commented on a change in pull request #1310: HBASE-23957 [flakey test]
client.TestMultiParallel fails to read hbas…
URL: https://github.com/apache/hbase/pull/1310#discussion_r395223986
##########
File path:
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestUpdateConfiguration.java
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@@ -47,31 +51,61 @@
private static final Logger LOG =
LoggerFactory.getLogger(TestUpdateConfiguration.class);
private final static HBaseTestingUtility TEST_UTIL = new
HBaseTestingUtility();
+ private static List<Path> newCnfPathes = new ArrayList<>();
+
@BeforeClass
public static void setup() throws Exception {
- // Set master number and use default values for other options.
+ // Before this change, the test will update hbase-site.xml under
target/test-classes and
+ // trigger a config reload. Since target/test-classes/hbase-site.xml is
being used by
+ // other testing cases at the same time, this update will break other
testing cases so it will
+ // be flakey in nature.
+ // To avoid this, the change is to make target/test-classes/hbase-site.xml
immutable. A new
+ // hbase-site.xml will be created under its test data directory, i.e,
+ // hbase-server/target/test-data/UUID, this new file will be added as a
resource for the
+ // config, new update will be applied to this new file and only visible to
this specific test
+ // case. The target/test-classes/hbase-site.xml will not be changed during
the test.
+ String absoluteDataPath = TEST_UTIL.getDataTestDir().toString();
Review comment:
same comments about using `File` or `Path` api instead of string
manipulation.
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