DomGarguilo commented on code in PR #2794:
URL: https://github.com/apache/accumulo/pull/2794#discussion_r910355545
##########
minicluster/src/test/java/org/apache/accumulo/minicluster/MiniAccumuloClusterTest.java:
##########
@@ -210,6 +210,11 @@ public void testPerTableClasspath() throws Exception {
conn.instanceOperations().setProperty(VFS_CONTEXT_CLASSPATH_PROPERTY.getKey() +
"cx1",
jarFile.toURI().toString());
+ // Batchwriter is intermittently failing with a constraint violation
because the TabletServer
+ // is not seeing the property changes above before the BatchWriter below
closes and a
+ // MutationsRejectedException is being thrown.
+ Thread.sleep(5000);
Review Comment:
Would something like this work instead of just the sleep to make sure the
property is set?
```suggestion
String classpathKey = VFS_CONTEXT_CLASSPATH_PROPERTY.getKey() + "cx1";
String classpathValue = jarFile.toURI().toString();
conn.instanceOperations().setProperty(classpathKey, classpathValue);
Map<String,String> systemConfiguration =
conn.instanceOperations().getSystemConfiguration();
while (!systemConfiguration.containsKey(classpathKey)
|| !systemConfiguration.get(classpathKey).equals(classpathValue)) {
log.info("Expected {} but instead found {}. Sleeping for 1000ms",
classpathValue,
systemConfiguration.get(classpathKey));
Thread.sleep(1000);
systemConfiguration =
conn.instanceOperations().getSystemConfiguration();
}
```
I haven't been able to replicate the test failure but the test passes with
the changes above.
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