我正在做一个简单的部分更新场景,它适用于 Solr 版本 6.x 和 7.x。将 Solr 和 Solrj 都升级到 8.8 后,我收到以下异常:
2021-02-23 14:57:58.201 ERROR (qtp-459670553-28) [ x:core1] o.a.s.h.RequestHandlerBase org.apache.solr.common.SolrException: TransactionLog doesn't know how to serialize class org.apache.lucene.document.LazyDocument$LazyField; try implementing ObjectResolver?
at org.apache.solr.update.TransactionLog$1.resolve(TransactionLog.java:100)
at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:266)
at org.apache.solr.common.util.JavaBinCodec$BinEntryWriter.put(JavaBinCodec.java:441)
at org.apache.solr.common.ConditionalKeyMapWriter$EntryWriterWrapper.put(ConditionalKeyMapWriter.java:44)
at org.apache.solr.common.MapWriter$EntryWriter.putNoEx(MapWriter.java:101)
at org.apache.solr.common.MapWriter$EntryWriter.lambda$getBiConsumer$0(MapWriter.java:161)
at org.apache.solr.common.MapWriter$EntryWriter$$Lambda$548/0000000000000000.accept(Unknown Source)
at org.apache.solr.common.SolrInputDocument.lambda$writeMap$0(SolrInputDocument.java:59)
at org.apache.solr.common.SolrInputDocument$$Lambda$549/0000000000000000.accept(Unknown Source)
.....
solrj 代码与此处提供的示例类似,并且在升级之前可以正常工作。该操作是“添加”,带有一个简单的整数字段,用于提供 id 的文档。
请注意,这与stackoverflow上的上一个问题不同,因为我正在传递简单的整数字段,并且在 solr/lucene 端它被替换为org.apache.lucene.document.LazyDocument$LazyField
.