Remote Agent fails and keeps retrying

INFO | jvm 1 | 2012/02/29 18:00:18 | 2012-02-29 18:00:18,702 INFO [Thread-1] [PerforceManager] Could not find system variable. If you wish to use perforce please set the location as a capability.
INFO | jvm 1 | 2012/02/29 18:00:26 | Exiting due to fatal exception.
INFO | jvm 1 | 2012/02/29 18:00:26 | org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'agentRegistrationBean' defined in class path resource [applicationContextRemoteAgentStartup.xml]: Invocation of init method failed; nested exception is com.thoughtworks.xstream.converters.ConversionException: Cannot construct com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1 as it does not have a no-args constructor : Cannot construct com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1 as it does not have a no-args constructor
INFO | jvm 1 | 2012/02/29 18:00:26 | ---- Debugging information ----
INFO | jvm 1 | 2012/02/29 18:00:26 | message : Cannot construct com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1 as it does not have a no-args constructor
INFO | jvm 1 | 2012/02/29 18:00:26 | cause-exception : com.thoughtworks.xstream.converters.reflection.ObjectAccessException
INFO | jvm 1 | 2012/02/29 18:00:26 | cause-message : Cannot construct com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1 as it does not have a no-args constructor
INFO | jvm 1 | 2012/02/29 18:00:26 | class : org.springframework.remoting.support.RemoteInvocationResult
INFO | jvm 1 | 2012/02/29 18:00:26 | required-type : com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1
INFO | jvm 1 | 2012/02/29 18:00:26 | path : /result/value/capabilityProperties
INFO | jvm 1 | 2012/02/29 18:00:26 | line number : 10
INFO | jvm 1 | 2012/02/29 18:00:26 | -------------------------------
INFO | jvm 1 | 2012/02/29 18:00:26 | Caused by: com.thoughtworks.xstream.converters.ConversionException: Cannot construct com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1 as it does not have a no-args constructor : Cannot construct com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1 as it does not have a no-args constructor
INFO | jvm 1 | 2012/02/29 18:00:26 | ---- Debugging information ----
INFO | jvm 1 | 2012/02/29 18:00:26 | message : Cannot construct com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1 as it does not have a no-args constructor
INFO | jvm 1 | 2012/02/29 18:00:26 | cause-exception : com.thoughtworks.xstream.converters.reflection.ObjectAccessException
INFO | jvm 1 | 2012/02/29 18:00:26 | cause-message : Cannot construct com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1 as it does not have a no-args constructor
INFO | jvm 1 | 2012/02/29 18:00:26 | class : org.springframework.remoting.support.RemoteInvocationResult
INFO | jvm 1 | 2012/02/29 18:00:26 | required-type : com.atlassian.bamboo.v2.build.agent.RemoteAgentDefinitionImpl$1
INFO | jvm 1 | 2012/02/29 18:00:26 | path : /result/value/capabilityProperties
INFO | jvm 1 | 2012/02/29 18:00:26 | line number : 10
INFO | jvm 1 | 2012/02/29 18:00:26 | -------------------------------