Chris Pimlott created CAMEL-8246:
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Summary: ZipAggregationStrategy
Key: CAMEL-8246
URL: https://issues.apache.org/jira/browse/CAMEL-8246
Project: Camel
Issue Type: Bug
Affects Versions: 2.14.0
Reporter: Chris Pimlott
ZipAggregationStrategy does not preserve any headers from the aggregated
exchanges. This makes it difficult to do something like name the output zip
file based on the correlation key:
```
<from uri="direct:input"/>
<aggregate strategyRef="zipStrategy" eagerCheckCompletion="true">
<correlationExpression>
<simple>${header[batchId]}</simple>
</correlationExpression>
<completionSize>
<simple>${header[batchSize]}</simple>
</completionSize>
<setHeader headerName="CamelFileName">
<simple>batch-${header[batchId]}.zip</simple>
</setHeader>
<to uri="direct:output"/>
</aggregate>
```
This behavior is inconsistent with other existing AggregationStrategies,
including AggregationStrategyBeanAdapter, FlexibleAggregationStrategy,
UseLatestAggregationStrategy, and UseOriginalAggregationStrategy, which all use
a complete copy of the first exchange received when initializing the aggregated
exchange.
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