fix(codec): 解码映射失败产出 CODEC_ERROR,落实退避重试与可重放白名单
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@@ -1,6 +1,7 @@
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package com.gzzn.omms.msgexchange.codec
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import com.fasterxml.jackson.databind.DeserializationFeature
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import com.fasterxml.jackson.databind.JsonMappingException
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import com.fasterxml.jackson.module.kotlin.registerKotlinModule
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import com.fasterxml.jackson.dataformat.xml.XmlFactory
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import com.fasterxml.jackson.dataformat.xml.XmlMapper
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@@ -34,6 +35,14 @@ class JacksonXmlCodec : XmlCodec {
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}
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val msg = try {
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mapper.readValue(trimmed, SisMessageXml::class.java)
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} catch (e: JsonMappingException) {
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// META 层绑定失败=发送方违反必填契约(MALFORMED);体层(SCHD/FLOP)结构不匹配
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// =wire 结构超出编解码器当前绑定能力(CODEC_ERROR:退避重试,修复后可重放,design §2.3)。
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val first = e.path.firstOrNull()?.fieldName ?: ""
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if (first.equals("meta", ignoreCase = true)) {
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return DecodeResult.Err(DecodeFailure(ErrorClass.MALFORMED, "xml-meta:${e.originalMessage.take(200)}"))
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}
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return DecodeResult.Err(DecodeFailure(ErrorClass.CODEC_ERROR, "xml-mapping:${e.originalMessage.take(200)}"))
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} catch (e: Exception) {
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return DecodeResult.Err(
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DecodeFailure(ErrorClass.MALFORMED, "xml-parse:${e.message?.take(200) ?: e.javaClass.simpleName}"),
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