John Zhuge created HADOOP-14519:
-----------------------------------
Summary: Client$Connection#waitForWork may suffer spurious wakeup
Key: HADOOP-14519
URL: https://issues.apache.org/jira/browse/HADOOP-14519
Project: Hadoop Common
Issue Type: Bug
Components: ipc
Affects Versions: 2.8.0
Reporter: John Zhuge
Assignee: John Zhuge
Priority: Critical
{{Client$Connection#waitForWork}} may suffer spurious wakeup because the
{{wait}} is not surrounded by a loop. See
[https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html#wait()].
{code:title=Client$Connection#waitForWork}
if (calls.isEmpty() && !shouldCloseConnection.get() && running.get()) {
long timeout = maxIdleTime-
(Time.now()-lastActivity.get());
if (timeout>0) {
try {
wait(timeout); <<<<<<==== spurious wakeup
} catch (InterruptedException e) {}
}
}
{code}
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