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Posted to yarn-issues@hadoop.apache.org by "Edward Capriolo (Jira)" <ji...@apache.org> on 2025/12/31 19:57:00 UTC
[jira] [Created] (YARN-11915) In HA m
Edward Capriolo created YARN-11915:
--------------------------------------
Summary: In HA m
Key: YARN-11915
URL: https://issues.apache.org/jira/browse/YARN-11915
Project: Hadoop YARN
Issue Type: Bug
Reporter: Edward Capriolo
in YARN HA using SSL
Setting this:
{code:java}
<property>
<name>yarn.http.policy</name>
<value>HTTPS_ONLY</value>
</property> {code}
Effectively forces this in yarn-site.xml
{code:java}
<property>
<name>yarn.resourcemanager.webapp.address.rm2</name>
<value>rm2:8088</value>
</property>
<property>
<name>yarn.resourcemanager.webapp.https.address.rm2</name>
<value>rm2:8090</value>
</property> {code}
Otherwise when a user launches a wordcount the job is failed with this in the syslog:
{code:java}
2$QuotingInputFilter) 2025-12-31 19:27:38,849 ERROR [main] org.apache.hadoop.mapreduce.v2.app.client.MRClientService: Webapps failed to start. Ignoring for now: java.lang.NullPointerException: Cannot invoke "Object.toString()" because the return value of "java.util.Iterator.next()" is null at org.apache.hadoop.util.StringUtils.join(StringUtils.java:1050) at org.apache.hadoop.yarn.server.webproxy.amfilter.AmFilterInitializer.initFilter(AmFilterInitializer.java:74) at org.apache.hadoop.http.HttpServer2.initializeWebServer(HttpServer2.java:802) at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:737) at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:136) at org.apache.hadoop.http.HttpServer2$Builder.build(HttpServer2.java:504) at org.apache.hadoop.yarn.webapp.WebApps$Builder.build(WebApps.java:384) at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:468) at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:464) at org.apache.hadoop.mapreduce.v2.app.client.MRClientService.serviceStart(MRClientService.java:152) at org.apache.hadoop.service.AbstractService.start(AbstractService.java:195) at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceStart(MRAppMaster.java:1289) at org.apache.hadoop.service.AbstractService.start(AbstractService.java:195) --More-- (68% of 43669 bytes) {code}
Perhaps we can give a warning or find the default value. I had a feeling the issue had to do with HA-RM but ultimately I had to look at the source code to figure it out.
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