cuzyoucant opened a new issue #7960:
URL: https://github.com/apache/pulsar/issues/7960
**Describe the bug**
When setting AuthenticationOAuth2 as brokerClientAuthenticationPlugin the
proxy crashes on start-up with an uncaught Exception with message "null".
Relevant config:
brokerClientAuthenticationPlugin=org.apache.pulsar.client.impl.auth.oauth2.AuthenticationOAuth2
brokerClientAuthenticationParameters={"grant_type":
"client_credentials","issuerUrl":
"https://example.com/your/auth/url/here","audience": "my_audience",
"privateKey": "file:/path/to/keyfile/cc.json"}
The cc.json contains client_id and client_secret as described in the
documentation.
**To Reproduce**
Steps to reproduce the behavior:
1. Set brokerClientAuthenticationPlugin and
brokerClientAuthenticationParameters as described seen above.
2. Start the proxy.
**Expected behavior**
The proxy should be able to get a token from our OAuth provider and
authenticate itself to the broker.
**Desktop (please complete the following information):**
- OS: Pulsar is currently running in an kubernetes cluster. We also tried
with the standalone version to no avail.
**Additional context**
The broker is defined with the same config in terms of plugin and
authenticationParameters and is able to get a token.
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