[fix] Fix error like:aused by: org.apache.http.ProtocolException: Transfer-encoding header already present

[awol2005ex]

[fix] Fix error like:
Caused by: org.apache.http.ProtocolException: Transfer-encoding header already present
at org.apache.http.protocol.RequestContent.process(RequestContent.java:93) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?]
at org.apache.http.protocol.ImmutableHttpProcessor.process(ImmutableHttpProcessor.java:132) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?]
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:182) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?]
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?]
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?]
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?]
at org.apache.doris.flink.sink.writer.DorisStreamLoad.lambda$startLoad$0(DorisStreamLoad.java:347) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_232]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_232]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_232]
... 1 more

[JNSimba]

Thank you for your contribution. Under what circumstances does this occur?

[awol2005ex]

Thank you for your contribution. Under what circumstances does this occur?

This occurs when Flink consumes from Kafka and writes into Doris

[JNSimba]

Thank you for your contribution. Under what circumstances does this occur?

This occurs when Flink consumes from Kafka and writes into Doris

Can you provide a way to reproduce the problem, as well as the complete log of TaskManager, and the versions of Doris and Flink Doris connector?

[awol2005ex]

Thank you for your contribution. Under what circumstances does this occur?

This occurs when Flink consumes from Kafka and writes into Doris

Can you provide a way to reproduce the problem, as well as the complete log of TaskManager, and the versions of Doris and Flink Doris connector?

flink 1.20 doris 2.1.6 doris-flink-connector

<dependency> <groupId>org.apache.doris</groupId> <artifactId>flink-doris-connector-1.20</artifactId> <version>24.0.1</version> </dependency>

`
create table a1 (
id varchar,
........
) with (
'connector' = 'kafka',
'topic' = 'xxxxxxx',
'scan.startup.mode' = 'earliest-offset',
'properties.zookeeper.connect' = 'xxxxx:2181/kafka',
'properties.bootstrap.servers' = 'xxxxx:9092',
'properties.group.id' = 'flink-sql-kafka-hz-20241206',
'properties.security.protocol' = 'SASL_PLAINTEXT',
'properties.sasl.kerberos.service.name' = 'kafka',
'properties.sasl.mechanism' = 'GSSAPI',
'value.format' = 'json'
)

create table a2 (
id string,
....
) with (
'connector' = 'doris',
'fenodes' = 'xxxxxx:8030',
'table.identifier' = 'test.a2',
'username' = 'root',
'password' = 'xxxxx',
'sink.label-prefix' = 'xxxxxx',
'sink.properties.format' = 'json',
'sink.properties.read_json_by_line' = 'true'

)

insert into a2 select * from a1;
`

Caused by: org.apache.http.ProtocolException: Transfer-encoding header already present at org.apache.http.protocol.RequestContent.process(RequestContent.java:93) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?] at org.apache.http.protocol.ImmutableHttpProcessor.process(ImmutableHttpProcessor.java:132) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?] at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:182) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?] at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?] at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?] at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?] at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?] at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?] at org.apache.doris.flink.sink.writer.DorisStreamLoad.lambda$startLoad$0(DorisStreamLoad.java:347) ~[xxx-cdh-flink1-20-0-sql-gitlab-runner-1.0.0.jar:?] at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_232] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_232] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_232] ... 1 more

[JNSimba]

Please execute mvn spotless:apply, CI verification failed

[JNSimba]

I added a commit to address the problems.