kaisun2000 commented on issue #1289:
URL: https://github.com/apache/helix/issues/1289#issuecomment-675148772
```
public TaskState pollForWorkflowState(String workflowName, long timeout,
TaskState... targetStates) throws InterruptedException {
// Wait for completion.
long st = System.currentTimeMillis();
WorkflowContext ctx;
Set<TaskState> allowedStates = new
HashSet<>(Arrays.asList(targetStates));
long timeToSleep = timeout > 100L ? 100L : timeout;
do {
Thread.sleep(timeToSleep);
ctx = getWorkflowContext(workflowName);
} while ((ctx == null || ctx.getWorkflowState() == null
|| !allowedStates.contains(ctx.getWorkflowState()))
&& System.currentTimeMillis() < st + timeout);
if (ctx == null || !allowedStates.contains(ctx.getWorkflowState())) {
throw new HelixException(String.format(
"Workflow \"%s\" context is empty or not in states: \"%s\",
current state: \"%s\"",
workflowName, Arrays.asList(targetStates),
ctx == null ? "null" : ctx.getWorkflowState().toString()));
}
return ctx.getWorkflowState();
}
```
Is it possible that only one job failing would cause workflow failure?
`!allowedStates.contains(ctx.getWorkflowState()))`
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