[STORM-2443] Nimbus throws error when changing log level on UI topology page

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.0.0
• Component/s: storm-core
• Epic Link: Release Apache Storm 2.0.0
• Assignee: Jungtaek Lim
• Reporter: Jungtaek Lim
• Created: 31/Mar/17 08:09
• Updated: 31/Aug/17 09:23
• Resolved: 31/Aug/17 08:45

Description

Here's stacktrace from Nimbus log:

2017-03-30 16:53:26.954 o.a.s.d.n.Nimbus pool-14-thread-56 [WARN] set log config topology exception. (topology id='rolling-1-1490860365')
java.lang.NullPointerException: null
        at org.apache.storm.daemon.nimbus.Nimbus.setLogConfig(Nimbus.java:2688) ~[storm-core-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
        at org.apache.storm.generated.Nimbus$Processor$setLogConfig.getResult(Nimbus.java:3295) ~[storm-core-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
        at org.apache.storm.generated.Nimbus$Processor$setLogConfig.getResult(Nimbus.java:3280) ~[storm-core-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
        at org.apache.storm.thrift.ProcessFunction.process(ProcessFunction.java:39) ~[storm-core-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
        at org.apache.storm.thrift.TBaseProcessor.process(TBaseProcessor.java:39) ~[storm-core-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
        at org.apache.storm.security.auth.SimpleTransportPlugin$SimpleWrapProcessor.process(SimpleTransportPlugin.java:160) ~[storm-core-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
        at org.apache.storm.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:518) ~[storm-core-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
        at org.apache.storm.thrift.server.Invocation.run(Invocation.java:18) ~[storm-core-2.0.0-SNAPSHOT.jar:2.0.0-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_66]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_66]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_66]

Issue Links

• links to: GitHub Pull Request #2299