[pulsar-proxy] Handle NPE while updating proxy stats #7766
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codelipenghui
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Aug 6, 2020
sijie
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huangdx0726
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### Motivation Handle NPE while updating proxy-stats ``` java.lang.NullPointerException at org.apache.pulsar.proxy.server.ProxyService.lambda$1(ProxyService.java:161) at java.util.concurrent.ConcurrentHashMap$KeySetView.forEach(ConcurrentHashMap.java:4649) at java.util.Collections$SetFromMap.forEach(Collections.java:5476) at org.apache.pulsar.proxy.server.ProxyService.lambda$0(ProxyService.java:159) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:745) ```
lbenc135
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Sep 5, 2020
### Motivation Handle NPE while updating proxy-stats ``` java.lang.NullPointerException at org.apache.pulsar.proxy.server.ProxyService.lambda$1(ProxyService.java:161) at java.util.concurrent.ConcurrentHashMap$KeySetView.forEach(ConcurrentHashMap.java:4649) at java.util.Collections$SetFromMap.forEach(Collections.java:5476) at org.apache.pulsar.proxy.server.ProxyService.lambda$0(ProxyService.java:159) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:745) ```
lbenc135
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Sep 5, 2020
### Motivation Handle NPE while updating proxy-stats ``` java.lang.NullPointerException at org.apache.pulsar.proxy.server.ProxyService.lambda$1(ProxyService.java:161) at java.util.concurrent.ConcurrentHashMap$KeySetView.forEach(ConcurrentHashMap.java:4649) at java.util.Collections$SetFromMap.forEach(Collections.java:5476) at org.apache.pulsar.proxy.server.ProxyService.lambda$0(ProxyService.java:159) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:745) ```
lbenc135
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Sep 5, 2020
### Motivation Handle NPE while updating proxy-stats ``` java.lang.NullPointerException at org.apache.pulsar.proxy.server.ProxyService.lambda$1(ProxyService.java:161) at java.util.concurrent.ConcurrentHashMap$KeySetView.forEach(ConcurrentHashMap.java:4649) at java.util.Collections$SetFromMap.forEach(Collections.java:5476) at org.apache.pulsar.proxy.server.ProxyService.lambda$0(ProxyService.java:159) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:745) ```
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Motivation
Handle NPE while updating proxy-stats