weasker created KAFKA-7763:
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             Summary: KafkaProducer with transactionId endless waits when 
network is disconnection
                 Key: KAFKA-7763
                 URL: https://issues.apache.org/jira/browse/KAFKA-7763
             Project: Kafka
          Issue Type: Bug
          Components: clients, producer 
    Affects Versions: 2.1.0
            Reporter: weasker


When the client disconnect with the bootstrap server, a KafkaProducer with 
transactionId endless waits on commitTransaction, the question is the same with 
below issues:

https://issues.apache.org/jira/browse/KAFKA-6446

the reproduce condition you can do it as belows:

1、producer.initTransactions();

2、producer.beginTransaction();

3、producer.send(record1);//set the breakpoint here

key step: run the breakpoint above 3 then disconnect the network by manual, 
10-20seconds recover the network and continute the program by canceling the 
breakpoint

4、producer.send(record2);

5、producer.commitTransaction();//endless waits

 

I found in 2.1.0 version the modificaiton about the initTransactions method, 
but the 

commitTransaction and abortTransaction method, I think it's the same question 
with initTransactions...



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