[Solved] Identify the error in the following Kafka Streams join code:var joined = stream1.join(stream2, (v1, v2) -> v1 + v2); joined.print(); | Kafka

Kafka - Streams

Identify the error in the following Kafka Streams join code:

var joined = stream1.join(stream2, (v1, v2) -> v1 + v2);
joined.print();

AIncorrect lambda syntax for join function

BMissing JoinWindows parameter for KStream-KStream join

CUsing print() instead of foreach() causes error

Dstream2 should be a KTable, not a KStream

Step-by-Step Solution

Solution:

Step 1: Check join method parameters
KStream-KStream join requires a JoinWindows parameter to specify the time window for matching events.
Step 2: Identify missing parameter
The code omits the JoinWindows argument, causing a compilation error.
Final Answer:
Missing JoinWindows parameter for KStream-KStream join -> Option B
Quick Check:
KStream-KStream join needs JoinWindows [OK]

Quick Trick: KStream-KStream join always needs JoinWindows [OK]

Common Mistakes:

MISTAKES

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