From bf33b97a713f8288976660c565f60f86b41871d4 Mon Sep 17 00:00:00 2001 From: Viacheslav Klimov Date: Fri, 17 Apr 2026 16:56:40 +0300 Subject: [PATCH] Ignore unknown properties when deserializing Redis cache entries Prevents UnrecognizedPropertyException during rolling upgrades when a newer node writes a cached entity with an added field and an older node reads it back. The Redis-backed TbJsonRedisSerializer now uses JacksonUtil.IGNORE_UNKNOWN_PROPERTIES_JSON_MAPPER instead of the strict OBJECT_MAPPER used by JacksonUtil.fromBytes. --- .../server/cache/TbJsonRedisSerializer.java | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/common/cache/src/main/java/org/thingsboard/server/cache/TbJsonRedisSerializer.java b/common/cache/src/main/java/org/thingsboard/server/cache/TbJsonRedisSerializer.java index bf5fb7e448..3e8aef83a1 100644 --- a/common/cache/src/main/java/org/thingsboard/server/cache/TbJsonRedisSerializer.java +++ b/common/cache/src/main/java/org/thingsboard/server/cache/TbJsonRedisSerializer.java @@ -18,6 +18,8 @@ package org.thingsboard.server.cache; import org.springframework.data.redis.serializer.SerializationException; import org.thingsboard.common.util.JacksonUtil; +import java.io.IOException; + public class TbJsonRedisSerializer implements TbRedisSerializer { private final Class clazz; @@ -33,6 +35,13 @@ public class TbJsonRedisSerializer implements TbRedisSerializer { @Override public V deserialize(K key, byte[] bytes) throws SerializationException { - return JacksonUtil.fromBytes(bytes, clazz); + if (bytes == null) { + return null; + } + try { + return JacksonUtil.IGNORE_UNKNOWN_PROPERTIES_JSON_MAPPER.readValue(bytes, clazz); + } catch (IOException e) { + throw new SerializationException("Failed to deserialize cached value", e); + } } }