Failed to activate jobs for worker - checking for camunda credentials

We are using Camunda 8.0 Self-Managed running on the EKS cluster. The ZeebeClient has been created but while activating the Job Workers, the following errors are found. I don’t understand why it’s looking for .camunda\credentials file.

08:32:34.116 [grpc-default-executor-0] WARN io.camunda.zeebe.client.job.poller - Failed to activate jobs for worker XXX and job type YYY

io.grpc.StatusRuntimeException: CANCELLED

at io.grpc.Status.asRuntimeException(Status.java:535)

at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:487)

at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:563)

at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70)

at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:744)

at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:723)

at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)

at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133)

at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)

at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)

at java.base/java.lang.Thread.run(Thread.java:833)

Caused by: java.nio.file.FileAlreadyExistsException: C:\Users\ABC.camunda\credentials

at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:87)

at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103)

at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:108)

at java.base/sun.nio.fs.WindowsFileSystemProvider.newByteChannel(WindowsFileSystemProvider.java:236)

at java.base/java.nio.file.Files.newByteChannel(Files.java:380)

at java.base/java.nio.file.Files.createFile(Files.java:658)

at io.camunda.zeebe.client.impl.oauth.OAuthCredentialsCache.ensureCacheFileExists(OAuthCredentialsCache.java:110)

at io.camunda.zeebe.client.impl.oauth.OAuthCredentialsCache.writeCache(OAuthCredentialsCache.java:69)

at io.camunda.zeebe.client.impl.oauth.OAuthCredentialsProvider.refreshCredentials(OAuthCredentialsProvider.java:133)

at io.camunda.zeebe.client.impl.oauth.OAuthCredentialsProvider.loadCredentials(OAuthCredentialsProvider.java:121)

at io.camunda.zeebe.client.impl.oauth.OAuthCredentialsProvider.applyCredentials(OAuthCredentialsProvider.java:79)

at io.camunda.zeebe.client.impl.ZeebeCallCredentials.lambda$applyRequestMetadata$0(ZeebeCallCredentials.java:48)