Add ZCCS config properties [DOC-768]#2265
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this branch targets main (5.8) but lacks backport to 5.7. what was the intention? |
k-jamroz
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Jul 24, 2026
| |`hazelcast.serialization.compact.blocklist.defaults` | ||
| |true | ||
| |bool | ||
| |Controls whether the default blocklist of known-problematic classes is applied for ZCCS. |
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unfortunately this property is defaults not defaultsDisabled (like elsewhere) which is different that in config and possible source of mistakes. IMO worth highlighting this fact
k-jamroz
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Jul 24, 2026
| |`hazelcast.serialization.compact.allowlist.classes` | ||
| | | ||
| |string | ||
| |Comma-separated list of fully qualified class names to allow for xref:serialization:compact-serialization.adoc[zero-config Compact serialization] (ZCCS). If set, only classes on this list (and not on the blocklist) are eligible for ZCCS. Default is empty. |
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these properties are available in 5.7 onwards (TBD if we remove them in 6.0) only to allow easier upgrade from <5.7 versions with hardened config.
from 5.7 onwards zero-config-filter XML/YAML config should be recommended
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https://hazelcast.atlassian.net/browse/DOC-768
Lists the zero-config Compact serialisation filter properties.
For v5.7,
CompactSerializationConfig.zeroConfigFilteris preferred - documented in #2264.