[OAK-778] Recursive wrapping of ModifiedNodeState

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.7
• Component/s: core
• Assignee: Jukka Zitting
• Reporter: Marcel Reutegger
• Created: 16/Apr/13 14:04
• Updated: 21/May/13 11:18
• Resolved: 18/Apr/13 10:22

Description

There seem to be cases where a SecureNodeState wraps a ModifiedNodeState, which in turn wraps a whole chain of other ModifiedNodeStates. A stack trace from one of the oak-core tests looks like this:

"main" prio=6 tid=0x00000000005ac000 nid=0xa04 runnable [0x00000000020ad000]
   java.lang.Thread.State: RUNNABLE
        at org.apache.jackrabbit.oak.plugins.memory.EmptyNodeState.exists(EmptyNodeState.java:51)
        at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.getChildNodeCount(ModifiedNodeState.java:202)
        at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.getChildNodeCount(ModifiedNodeState.java:199)
        at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.getChildNodeCount(ModifiedNodeState.java:199)
        at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.getChildNodeCount(ModifiedNodeState.java:199)
        at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.getChildNodeCount(ModifiedNodeState.java:199)
        at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.getChildNodeCount(ModifiedNodeState.java:199)
        at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.getChildNodeCount(ModifiedNodeState.java:199)
        at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.getChildNodeCount(ModifiedNodeState.java:199)
        at org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.getChildNodeCount(ModifiedNodeState.java:199)
        at org.apache.jackrabbit.oak.core.SecureNodeState$3.apply(SecureNodeState.java:102)
        at org.apache.jackrabbit.oak.core.SecureNodeState$3.apply(SecureNodeState.java:94)
        at org.apache.jackrabbit.oak.core.SecureNodeState.getChildNode(SecureNodeState.java:209)
        at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.getBaseState(MemoryNodeBuilder.java:162)
        at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.write(MemoryNodeBuilder.java:251)
        at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.write(MemoryNodeBuilder.java:243)
        at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.write(MemoryNodeBuilder.java:243)
        at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.write(MemoryNodeBuilder.java:236)
        at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.setProperty(MemoryNodeBuilder.java:452)
        at org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.setProperty(MemoryNodeBuilder.java:466)
        at org.apache.jackrabbit.oak.core.TreeImpl.setProperty(TreeImpl.java:385)