@query in a repository generates ClassCastException about spring-data HOT 4 CLOSED

Object is not a supported return type. Please see the return types section in the README for a list of supported return types.

from spring-data.

change to this
and the exception still occurs

`public interface GenericArangoRepo extends Repository<BaseDocument, String>{

@Query("FOR vcenter IN PV return vcenter")
ArangoCursor<BaseDocument> listPVs();

}`

stack trace

Caused by: java.lang.ClassCastException: Cannot cast com.arangodb.internal.ArangoCursorIterator to com.arangodb.springframework.core.template.ArangoExtCursorIterator
at java.lang.Class.cast(Class.java:3369) ~[na:1.8.0_161]
at com.arangodb.springframework.core.template.ArangoExtCursor.(ArangoExtCursor.java:41) ~[arangodb-spring-data-1.0.0.jar:na]
at com.arangodb.springframework.core.template.ArangoCursorInitializer.createInstance(ArangoCursorInitializer.java:48) ~[arangodb-spring-data-1.0.0.jar:na]
at com.arangodb.ArangoDatabase.createCursor(ArangoDatabase.java:334) ~[arangodb-java-driver-4.2.2.jar:na]
at com.arangodb.ArangoDatabase.query(ArangoDatabase.java:301) ~[arangodb-java-driver-4.2.2.jar:na]
at com.arangodb.springframework.core.template.ArangoTemplate.query(ArangoTemplate.java:314) ~[arangodb-spring-data-1.0.0.jar:na]
at com.arangodb.springframework.repository.query.ArangoAqlQuery.execute(ArangoAqlQuery.java:188) ~[arangodb-spring-data-1.0.0.jar:na]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:499) ~[spring-data-commons-1.13.9.RELEASE.jar:na]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:477) ~[spring-data-commons-1.13.9.RELEASE.jar:na]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:56) ~[spring-data-commons-1.13.9.RELEASE.jar:na]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:57) ~[spring-data-commons-1.13.9.RELEASE.jar:na]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) ~[spring-aop-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at com.sun.proxy.$Proxy53.listPVs(Unknown Source) ~[na:na]
at arangoboot.BulkRunner.run(BulkRunner.java:21) ~[classes/:na]

from spring-data.

@Sinisterish this looks like you are using incompatible versions of arangodb-java-driver and arangodb-spring-data.

The newest version of arangodb-spring-data is 1.0.2 and 2.0.3 (depending on the Spring Data version you are using) and the current version of arangodb-java-driver is 4.3.4.

best
Mark

from spring-data.

update of the versions fixed the casting exception, thank you

from spring-data.