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change schedule to submit so it runs without wait for the first time.

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LAUNCH_KERBEROS_REFRESH_INTERVAL to KERBEROS_REFRESH_INTERVAL
This commit is contained in:
Prabhjyot Singh 2017-07-05 20:41:41 +05:30
parent 7fe883c3e9
commit 582372744a
2 changed files with 3 additions and 3 deletions
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2
conf/zeppelin-env.sh.template
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@ -56,7 +56,7 @@
## Kerberos ticket refresh setting
##
#export KINIT_FAIL_THRESHOLD # (optional) How many times should kinit retry. The default value is 5.
#export LAUNCH_KERBEROS_REFRESH_INTERVAL # (optional) The refresh interval for Kerberos ticket. The default value is 1d.
#export KERBEROS_REFRESH_INTERVAL # (optional) The refresh interval for Kerberos ticket. The default value is 1d.
## Use provided spark installation ##
## defining SPARK_HOME makes Zeppelin run spark interpreter process using spark-submit

4
zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/KerberosInterpreter.java
View file

@ -107,7 +107,7 @@ public abstract class KerberosInterpreter extends Interpreter {
private ScheduledExecutorService startKerberosLoginThread() {
scheduledExecutorService = Executors.newScheduledThreadPool(1);
scheduledExecutorService.schedule(new Callable() {
scheduledExecutorService.submit(new Callable() {
public Object call() throws Exception {
if (runKerberosLogin()) {
@ -129,7 +129,7 @@ public abstract class KerberosInterpreter extends Interpreter {
}
return null;
}
}, getTimeAsMs(getKerberosRefreshInterval()), TimeUnit.MILLISECONDS);
});
return scheduledExecutorService;
}