did you use multi values field？ On Sun, Feb 3, 2019 at 8:22 PM Swapnil Katkar <skatkar...@gmail.com> wrote:
> Greetings! > > I am working on a requirement where I want to query the data and want to > do the object mapping for the retrieved result using Solrj. For this, I am > referring to the official document at > *https://lucene.apache.org/solr/guide/7_6/using-solrj.html#java-object-binding > <https://lucene.apache.org/solr/guide/7_6/using-solrj.html#java-object-binding>.* > I > set-up the necessary class files and the collections. > > With the help of this document, I can create the documents in the Solr DB, > but it is not working for fetching and mapping the fields to the Java POJO > class. To do the mapping, I used @Field annotation. > > Details are as below: > *1)* Solrj version: 7.6.0 > *2)* The line of code which is not working: *List<Employee> employees = > response.getBeans(Employee.class);* > *3)* Exception stack trace: > *Caused by: java.lang.IllegalArgumentException: Can not set > java.lang.String field demo.apache.solr.vo.Employee.name > <http://demo.apache.solr.vo.Employee.name> to java.util.ArrayList* > * at > sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown > Source)* > * at > sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown > Source)* > * at sun.reflect.UnsafeObjectFieldAccessorImpl.set(Unknown Source)* > * at java.lang.reflect.Field.set(Unknown Source)* > *4)* Collection was created using > *solr.cmd create -c employees -s 2 -rf 2* > > Please find the attached source code files. Also, I attached the stack > trace file. Can you please help me on how to resolve them? > > Regards, > Swapnil Katkar >
