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Unable to start the subscription with partial flowcontrol details #291
Description
Environment details
- Specify the API at the beginning of the title. For example, "BigQuery: ..."). PubSub
General, Core, and Other are also allowed as types - OS type and version: Mac
- Java version: 1.8
- pubsub version(s): 1.108.0
Steps to reproduce
- Set partial flowcontrol to start the subscription i.e only provide MaxOutstandingElementCount
Code example
Subscriber.newBuilder(subscriptionName, messageReceiver)
.setFlowControlSettings(
FlowControlSettings.newBuilder()
.setMaxOutstandingElementCount(getMaxOutstandingElementCount(subscription))
.build())
.build();Stack trace
Caused by: java.lang.NullPointerException: null
at com.google.cloud.pubsub.v1.StreamingSubscriberConnection.initialize(StreamingSubscriberConnection.java:220)
at com.google.cloud.pubsub.v1.StreamingSubscriberConnection.doStart(StreamingSubscriberConnection.java:128)
at com.google.api.core.AbstractApiService$InnerService.doStart(AbstractApiService.java:148)
at com.google.common.util.concurrent.AbstractService.startAsync(AbstractService.java:248)
at com.google.api.core.AbstractApiService.startAsync(AbstractApiService.java:120)
at com.google.cloud.pubsub.v1.Subscriber.startConnections(Subscriber.java:380)
same configuration is working with pubsub v1.103.1 with v1.108.0 is not working because the default value is not set for maxOutstandingRequestByte which result in nullpointer
Activity
hannahrogers-google commentedon Jul 23, 2020
Thanks for bringing this to our attention - a fix is on the way and will be included in the next release.