eolivelli commented on issue #8673:
URL: https://github.com/apache/pulsar/issues/8673#issuecomment-732266909
The same error is on pulsar-functions-worker module
```
java.lang.RuntimeException: java.lang.NullPointerException
at
org.apache.pulsar.functions.runtime.kubernetes.KubernetesRuntimeFactory.initialize(KubernetesRuntimeFactory.java:211)
at
org.apache.pulsar.functions.worker.FunctionRuntimeManager.<init>(FunctionRuntimeManager.java:211)
at
org.apache.pulsar.functions.worker.FunctionRuntimeManagerTest.testExternallyManagedRuntimeUpdate(FunctionRuntimeManagerTest.java:674)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:132)
at
org.testng.internal.InvokeMethodRunnable.runOne(InvokeMethodRunnable.java:45)
at
org.testng.internal.InvokeMethodRunnable.call(InvokeMethodRunnable.java:73)
at
org.testng.internal.InvokeMethodRunnable.call(InvokeMethodRunnable.java:11)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at
io.kubernetes.client.util.ClientBuilder.kubeconfig(ClientBuilder.java:259)
at
io.kubernetes.client.util.ClientBuilder.getClientBuilder(ClientBuilder.java:108)
at
io.kubernetes.client.util.ClientBuilder.standard(ClientBuilder.java:87)
at
io.kubernetes.client.util.ClientBuilder.standard(ClientBuilder.java:79)
at io.kubernetes.client.util.Config.defaultClient(Config.java:113)
at
org.apache.pulsar.functions.runtime.kubernetes.KubernetesRuntimeFactory.setupClient(KubernetesRuntimeFactory.java:339)
at
org.apache.pulsar.functions.runtime.kubernetes.KubernetesRuntimeFactory.initialize(KubernetesRuntimeFactory.java:208)
... 14 more
```
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