Hi, I use a Set class as a field. When I update the field via the BinaryObjectBuilder, I get an UnsupportedOperationException.
I use QueryEntity to set the field like: fieldNameTypeMap.put(tags_FieldStr, Set.class.getName()); Then my update function (in my EntryProcessor) is like: BinaryObjectBuilder boBuilder = bo.toBuilder(); Set<String> tags = boBuilder.getField(tags_FieldStr); tags.add(tag); boBuilder.setField(tags_FieldStr, tags, Set.class); The exception shows: Caused by: java.lang.UnsupportedOperationException at java.util.Collections$UnmodifiableCollection.add(Collections.java:1055) at com.myproject.managers.common.BOHelperImpl$4.process(BOHelperImpl.java:390) at org.apache.ignite.internal.processors.cache.EntryProcessorResourceInjectorProxy.process(EntryProcessorResourceInjectorProxy.java:68) at org.apache.ignite.internal.processors.cache.GridCacheMapEntry$AtomicCacheUpdateClosure.runEntryProcessor(GridCacheMapEntry.java:5142) at org.apache.ignite.internal.processors.cache.GridCacheMapEntry$AtomicCacheUpdateClosure.call(GridCacheMapEntry.java:4550) at org.apache.ignite.internal.processors.cache.GridCacheMapEntry$AtomicCacheUpdateClosure.call(GridCacheMapEntry.java:4367) at org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree$Invoke.invokeClosure(BPlusTree.java:3051) at org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree$Invoke.access$6200(BPlusTree.java:2945) at org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree.invokeDown(BPlusTree.java:1717) at org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree.invoke(BPlusTree.java:1600) at org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl$CacheDataStoreImpl.invoke(IgniteCacheOffheapManagerImpl.java:1199) at org.apache.ignite.internal.processors.cache.IgniteCacheOffheapManagerImpl.invoke(IgniteCacheOffheapManagerImpl.java:345) at org.apache.ignite.internal.processors.cache.GridCacheMapEntry.innerUpdate(GridCacheMapEntry.java:1767) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridDhtAtomicCache.updateSingle(GridDhtAtomicCache.java:2420) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridDhtAtomicCache.update(GridDhtAtomicCache.java:1883) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridDhtAtomicCache.updateAllAsyncInternal0(GridDhtAtomicCache.java:1736) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridDhtAtomicCache.updateAllAsyncInternal(GridDhtAtomicCache.java:1628) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridNearAtomicAbstractUpdateFuture.sendSingleRequest(GridNearAtomicAbstractUpdateFuture.java:299) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridNearAtomicSingleUpdateFuture.map(GridNearAtomicSingleUpdateFuture.java:483) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridNearAtomicSingleUpdateFuture.mapOnTopology(GridNearAtomicSingleUpdateFuture.java:443) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridNearAtomicAbstractUpdateFuture.map(GridNearAtomicAbstractUpdateFuture.java:248) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridDhtAtomicCache.update0(GridDhtAtomicCache.java:1117) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridDhtAtomicCache.invoke0(GridDhtAtomicCache.java:826) at org.apache.ignite.internal.processors.cache.distributed.dht.atomic.GridDhtAtomicCache.invoke(GridDhtAtomicCache.java:784) at org.apache.ignite.internal.processors.cache.IgniteCacheProxyImpl.invoke(IgniteCacheProxyImpl.java:1359) ... 12 more I check the document: https://www.gridgain.com/sdk/pe/latest/javadoc/org/apache/ignite/binary/BinaryObjectBuilder.html#getField-java.lang.String- "Collections and maps returned from this method are modifiable." Does anyone know how I can update a Set field via the binary object? Thanks, Cong