Automatic type conversion no longer works

String values are no longer converted to binary when required. Example:

Node n = testRootNode.addNode("testConvert", "nt:file");
Node content = n.addNode("jcr:content", "nt:resource");
content.setProperty("jcr:lastModified", Calendar.getInstance());
content.setProperty("jcr:mimeType", "text/html");
content.setProperty("jcr:data", "Hello");
n.getSession().save();

This used to work in a previous 2.0 build, but now throws:

javax.jcr.nodetype.ConstraintViolationException: no matching property definition found for

data
at org.apache.jackrabbit.core.nodetype.EffectiveNodeType.getApplicablePropertyDef(EffectiveNodeType.java:782)
at org.apache.jackrabbit.core.NodeImpl.getApplicablePropertyDefinition(NodeImpl.java:747)
at org.apache.jackrabbit.core.ItemManager.getDefinition(ItemManager.java:241)
at org.apache.jackrabbit.core.ItemData.getDefinition(ItemData.java:101)
at org.apache.jackrabbit.core.ItemManager.canRead(ItemManager.java:409)
at org.apache.jackrabbit.core.ItemManager.getItemData(ItemManager.java:383)
at org.apache.jackrabbit.core.ItemManager.getItem(ItemManager.java:316)
at org.apache.jackrabbit.core.ItemManager.getItem(ItemManager.java:595)
at org.apache.jackrabbit.core.NodeImpl.removeChildProperty(NodeImpl.java:554)
at org.apache.jackrabbit.core.NodeImpl.removeChildProperty(NodeImpl.java:534)
at org.apache.jackrabbit.core.NodeImpl.setProperty(NodeImpl.java:2303)
at org.apache.jackrabbit.core.nodetype.ConvertDataTypeTest.testStringToBinary(ConvertDataTypeTest.java:36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)