[infinispan-issues] [JBoss JIRA] (IPROTO-38) ProtoSchemaGenerator fails in Karaf: CNFE: org.infinispan.protostream.RawProtobufMarshaller

ProtoSchemaGenerator fails in Karaf: CNFE: org.infinispan.protostream.RawProtobufMarshaller ------------------------------------------------------------------------------------------- Key: IPROTO-38 URL: https://issues.jboss.org/browse/IPROTO-38 Project: Infinispan ProtoStream Issue Type: Bug Affects Versions: 3.0.0.Alpha1 Reporter: Adrian Nistor Assignee: Adrian Nistor Fix For: 4.2.0.Alpha6 Attachments: stacktrace.txt This was tested and fails with Karaf ver. 2.4.4, 3.0.8, 4.1.3. This seems to be a classloading issue that is only happening when using annotation based protobuf marsahlling. The bytecode generation that happens under the hood using javassist fails. The reason was found to be the wrong classloader used by the javassist ClassPool. Relying on the default (thread context classloader) works usually, but not in OSGi. The fix is to pass the classloader that loaded the protostream bundle to the ClassPool instead, but ClassPool's constructors do not allow that, so we need another creative solution.