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Home » Eclipse Projects » EclipseLink » Blocked - waiting to lock(Concurrency issue in MOXyJsonProvider)
Blocked - waiting to lock [message #1778491] Thu, 14 December 2017 21:39
Mike Wallace is currently offline Mike WallaceFriend
Messages: 1
Registered: December 2017
Junior Member
Hi. I'm just digging into an issue where we are doing hundreds of calls to the same Rest API.
During this process we are seeing several exceptions (shown below).
I'm trying to find a good place to start debugging this, so I thought I'd start here given the error. I'm not sure if this is a bug on our end or Eclipse.

"[ACTIVE] ExecuteThread: '119' for queue: 'weblogic.kernel.Default (self-tuning)'" #294 daemon prio=5 os_prio=0 tid=0x00007ff6341e9800 nid=0x4dd waiting for monitor entry [0x00007ff5f4921000]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.eclipse.persistence.jaxb.rs.MOXyJsonProvider.getJAXBContext(MOXyJsonProvider.java:309)
- waiting to lock <0x00000005d53cf478> (a java.util.HashMap)
at org.eclipse.persistence.jaxb.rs.MOXyJsonProvider.getJAXBContext(MOXyJsonProvider.java:345)
at org.eclipse.persistence.jaxb.rs.MOXyJsonProvider.isWriteable(MOXyJsonProvider.java:588)
at org.glassfish.jersey.moxy.json.internal.ConfigurableMoxyJsonProvider.isWriteable(ConfigurableMoxyJsonProvider.java:201)

Thanks,
Mike
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