[TAP5-1554] Tapestry fails on OpenJDK with a java.lang.reflect.GenericSignatureFormatError

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 5.3
• Fix Version/s: 5.3
• Component/s: plastic, tapestry-core
• Assignee: Josh Canfield
• Reporter: Josh Canfield
• Created: 23/Jun/11 02:49
• Updated: 04/Jul/11 20:22
• Resolved: 23/Jun/11 03:38

Description

The Environment

java version "1.6.0_20"
OpenJDK Runtime Environment (IcedTea6 1.9.7) (6b20-1.9.7-0ubuntu1~10.04.1)
OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode)

The Exception

org.apache.tapestry5.ioc.internal.OperationException: Exception
assembling root component of page admin/Index: Could not convert
'list' into a component parameter binding: Exception generating
conduit for expression 'list':
java.lang.reflect.GenericSignatureFormatError

The Property:

@Property
private List<Config> list;

The TML:

<t:loop source="list" value="item">...</t:loop>

The meat of the exception.

java.lang.reflect.GenericSignatureFormatError
at sun.reflect.generics.parser.SignatureParser.error(SignatureParser.java:121)
at sun.reflect.generics.parser.SignatureParser.parseFormalParameters(SignatureParser.java:462)
at sun.reflect.generics.parser.SignatureParser.parseMethodTypeSignature(SignatureParser.java:454)
at sun.reflect.generics.parser.SignatureParser.parseMethodSig(SignatureParser.java:159)
at sun.reflect.generics.repository.ConstructorRepository.parse(ConstructorRepository.java:55)
at sun.reflect.generics.repository.ConstructorRepository.parse(ConstructorRepository.java:43)
at sun.reflect.generics.repository.AbstractRepository.<init>(AbstractRepository.java:74)
at sun.reflect.generics.repository.GenericDeclRepository.<init>(GenericDeclRepository.java:48)
at sun.reflect.generics.repository.ConstructorRepository.<init>(ConstructorRepository.java:51)
at sun.reflect.generics.repository.MethodRepository.<init>(MethodRepository.java:46)
at sun.reflect.generics.repository.MethodRepository.make(MethodRepository.java:59)
at java.lang.reflect.Method.getGenericInfo(Method.java:112)
at java.lang.reflect.Method.getGenericParameterTypes(Method.java:300)
at java.beans.FeatureDescriptor.getParameterTypes(FeatureDescriptor.java:385)
at java.beans.MethodDescriptor.setMethod(MethodDescriptor.java:116)
at java.beans.MethodDescriptor.<init>(MethodDescriptor.java:74)
at java.beans.MethodDescriptor.<init>(MethodDescriptor.java:58)
at java.beans.Introspector.getTargetMethodInfo(Introspector.java:1196)
at java.beans.Introspector.getBeanInfo(Introspector.java:423)
at java.beans.Introspector.getBeanInfo(Introspector.java:189)
at org.apache.tapestry5.ioc.internal.services.PropertyAccessImpl.buildAdapter(PropertyAccessImpl.java:87)
at org.apache.tapestry5.ioc.internal.services.PropertyAccessImpl.getAdapter(PropertyAccessImpl.java:68)