marton-bod commented on a change in pull request #1495:
URL: https://github.com/apache/iceberg/pull/1495#discussion_r503728769
##########
File path:
hive-metastore/src/test/java/org/apache/iceberg/hive/TestHiveMetastore.java
##########
@@ -66,26 +72,35 @@
private ExecutorService executorService;
private TServer server;
private HiveMetaStore.HMSHandler baseHandler;
+ private HiveClientPool clientPool;
public void start() {
try {
- hiveLocalDir = createTempDirectory("hive",
asFileAttribute(fromString("rwxrwxrwx"))).toFile();
+ this.hiveLocalDir = createTempDirectory("hive",
asFileAttribute(fromString("rwxrwxrwx"))).toFile();
File derbyLogFile = new File(hiveLocalDir, "derby.log");
System.setProperty("derby.stream.error.file",
derbyLogFile.getAbsolutePath());
setupMetastoreDB("jdbc:derby:" + getDerbyPath() + ";create=true");
TServerSocket socket = new TServerSocket(0);
int port = socket.getServerSocket().getLocalPort();
- hiveConf = newHiveConf(port);
- server = newThriftServer(socket, hiveConf);
- executorService = Executors.newSingleThreadExecutor();
- executorService.submit(() -> server.serve());
+ this.hiveConf = newHiveConf(port);
+ this.server = newThriftServer(socket, hiveConf);
+ this.executorService = Executors.newSingleThreadExecutor();
+ this.executorService.submit(() -> server.serve());
+
+ // in Hive3, setting this as a system prop ensures that it will be
picked up whenever a new HiveConf is created
+ System.setProperty(HiveConf.ConfVars.METASTOREURIS.varname,
hiveConf.getVar(HiveConf.ConfVars.METASTOREURIS));
Review comment:
That's correct. The rationale is outlined here:
https://github.com/apache/iceberg/pull/1478#issuecomment-704961465
As you mentioned, when using Hive3, not all threads spawned during
`HiveRunner` initialization receive our custom properties we set on the
`HiveShell`, therefore using the system props is there to ensure they're picked
up during `HiveConf` construction. This is needed to get the tests working
properly on Hive3, without the `PersistenceManager`-related flaky tests.
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