[MAGNOLIA-5853] Node2Bean fails if generic type is array Created: 25/Jul/14  Updated: 04/Mar/19

Status: Open
Project: Magnolia
Component/s: None
Affects Version/s: 5.0
Fix Version/s: None

Type: Bug Priority: Neutral
Reporter: Jaroslav Simak Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Attachments: Text File testcase.txt    
Template:
Acceptance criteria:
Empty
Task DoD:
[ ]* Doc/release notes changes? Comment present?
[ ]* Downstream builds green?
[ ]* Solution information and context easily available?
[ ]* Tests
[ ]* FixVersion filled and not yet released
[ ]  Architecture Decision Record (ADR)
Bug DoR:
[ ]* Steps to reproduce, expected, and actual results filled
[ ]* Affected version filled

 Description   

Any generic parameter in a setter/getter, that is array (e.g. Map<String,String[]>) causes exception that is below.
See attached file with a test that covers this issue.

java.lang.ClassCastException: sun.reflect.generics.reflectiveObjects.GenericArrayTypeImpl cannot be cast to java.lang.Class
	at info.magnolia.jcr.node2bean.impl.TypeMappingImpl.inferGenericTypes(TypeMappingImpl.java:161)
	at info.magnolia.jcr.node2bean.impl.TypeMappingImpl.getPropertyTypeDescriptor(TypeMappingImpl.java:110)
	at info.magnolia.jcr.node2bean.TypeDescriptor.getPropertyDescriptors(TypeDescriptor.java:131)
	at info.magnolia.jcr.node2bean.TypeDescriptor.getPropertyTypeDescriptor(TypeDescriptor.java:108)
	at info.magnolia.jcr.node2bean.impl.Node2BeanTransformerImpl.resolveType(Node2BeanTransformerImpl.java:182)
	at info.magnolia.jcr.node2bean.impl.Node2BeanProcessorImpl.toBean(Node2BeanProcessorImpl.java:117)
	at info.magnolia.jcr.node2bean.impl.Node2BeanProcessorImpl.toMap(Node2BeanProcessorImpl.java:227)
	at info.magnolia.jcr.node2bean.impl.Node2BeanProcessorImpl.toBean(Node2BeanProcessorImpl.java:132)
	at info.magnolia.jcr.node2bean.impl.Node2BeanProcessorImpl.toBean(Node2BeanProcessorImpl.java:89)
	at info.magnolia.jcr.node2bean.Node2BeanTest.testShouldHandleArrayTypes(Node2BeanTest.java:994)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:77)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)


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