KAFKA-10720: Document prohibition on header mutation by SMTs#9597
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mimaison merged 3 commits intoapache:trunkfrom Nov 26, 2020
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@kkonstantine @rhauch please could you take look at this trivial PR? cc @C0urante. |
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| * A transformation must not mutate the headers of a given {@code record}. If the headers need to be changed | ||
| * a new record with different headers should be created and returned. | ||
| * |
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Should we also make a note about mutating the key/value of the record, which is possible for Struct, Map, and Array instances?
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@kkonstantine @rhauch please could you take look at this trivial PR? |
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| * corresponding to a map or filter operation respectively. | ||
| * | ||
| * A transformation must not mutate objects reachable from the given {@code record} | ||
| * (including, but not limited to, {@link org.apache.kafka.connect.header.Headers}, |
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Should we change {@link org.apache.kafka.connect.header.Headers} to {@link org.apache.kafka.connect.header.Headers Headers} ?
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…t-for-generated-requests * apache-github/trunk: (405 commits) KAFKA-6687: restrict DSL to allow only Streams from the same source topics (apache#9609) MINOR: Small cleanups in `AlterIsr` handling logic (apache#9663) MINOR: Increase unit test coverage of method ProcessorTopology#updateSourceTopics() (apache#9654) MINOR: fix reading SSH output in Streams system tests (apache#9665) KAFKA-10770: Remove duplicate defination of Metrics#getTags (apache#9659) KAFKA-10722: Described the types of the used state stores (apache#9607) KAFKA-10702; Skip bookkeeping of empty transactions (apache#9632) MINOR: Remove erroneous extra <code> in design doc (apache#9657) KAFKA-10736 Convert transaction coordinator metadata schemas to use g… (apache#9611) MINOR: Update vagrant/tests readme (apache#9650) KAFKA-10720: Document prohibition on header mutation by SMTs (apache#9597) KAFKA-10713: Stricter protocol parsing in hostnames (apache#9593) KAFKA-10565: Only print console producer prompt with a tty (apache#9644) MINOR: fix listeners doc to close <code> properly (apache#9655) MINOR: Remove unnecessary statement from WorkerConnector#doRun (apache#9653) KAFKA-10758: ProcessorTopology should only consider its own nodes when updating regex source topics (apache#9648) KAFKA-10754: fix flaky tests by waiting kafka streams be in running state before assert (apache#9629) MINOR: Upgrade to Scala 2.13.4 (apache#9643) MINOR: Update build and test dependencies (apache#9645) MINOR: Remove redundant argument from TaskMetricsGroup#recordCommit (apache#9642) ... clients/src/main/java/org/apache/kafka/clients/ClientRequest.java clients/src/main/java/org/apache/kafka/clients/NetworkClient.java clients/src/main/java/org/apache/kafka/common/requests/AbstractRequest.java clients/src/main/java/org/apache/kafka/common/requests/AbstractRequestResponse.java clients/src/main/java/org/apache/kafka/common/requests/AbstractResponse.java clients/src/main/java/org/apache/kafka/common/requests/AlterConfigsResponse.java clients/src/main/java/org/apache/kafka/common/requests/ApiVersionsResponse.java clients/src/main/java/org/apache/kafka/common/requests/FetchRequest.java clients/src/main/java/org/apache/kafka/common/requests/FetchResponse.java clients/src/main/java/org/apache/kafka/common/requests/LeaderAndIsrRequest.java clients/src/main/java/org/apache/kafka/common/requests/ListOffsetRequest.java clients/src/main/java/org/apache/kafka/common/requests/ListOffsetResponse.java clients/src/main/java/org/apache/kafka/common/requests/OffsetsForLeaderEpochRequest.java clients/src/main/java/org/apache/kafka/common/requests/OffsetsForLeaderEpochResponse.java clients/src/main/java/org/apache/kafka/common/requests/ProduceRequest.java clients/src/main/java/org/apache/kafka/common/requests/ProduceResponse.java clients/src/main/java/org/apache/kafka/common/requests/RequestHeader.java clients/src/main/java/org/apache/kafka/common/requests/StopReplicaRequest.java clients/src/main/java/org/apache/kafka/common/requests/UpdateMetadataRequest.java clients/src/test/java/org/apache/kafka/clients/NetworkClientTest.java clients/src/test/java/org/apache/kafka/clients/consumer/internals/FetcherTest.java clients/src/test/java/org/apache/kafka/clients/producer/internals/SenderTest.java clients/src/test/java/org/apache/kafka/common/requests/ProduceResponseTest.java clients/src/test/java/org/apache/kafka/common/requests/RequestContextTest.java clients/src/test/java/org/apache/kafka/common/requests/RequestHeaderTest.java clients/src/test/java/org/apache/kafka/common/security/authenticator/SaslAuthenticatorTest.java
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Adds a sentence to the Javadoc for
Transformationabout not mutating headers. See KAFKA-10720.