Caught an Ognl exception while getting property jsonObject - Class: ognl.OgnlRuntime due to NPE

2015-01-09 00:49:45,865 INFO [http-bio-8085-exec-248] [AccessLogFilter] xxx GET https://jira-bamboo.internal.atlassian.com/ajax/planStatusHistoryNeighbouringSummaries.action?planKey=FUZ-MASTER337&buildNumber=2&_=1419980580014 8014
70kb
2015-01-09 00:49:45,889 ERROR [http-bio-8085-exec-248] [FiveOhOh] 500 Exception was thrown.
Caught an Ognl exception while getting property jsonObject - Class: ognl.OgnlRuntime
File: OgnlRuntime.java
Method: getMethodValue
Line: 1456 - ognl/OgnlRuntime.java:1456:-1
        at com.opensymphony.xwork2.ognl.OgnlValueStack.handleOtherException(OgnlValueStack.java:264)
        at com.opensymphony.xwork2.ognl.OgnlValueStack.findValue(OgnlValueStack.java:241)
        at com.opensymphony.webwork.dispatcher.json.JSONResult.getJSONObject(JSONResult.java:172)
        at com.opensymphony.webwork.dispatcher.json.JSONResult.execute(JSONResult.java:137)
        at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:371)
        at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:275)
        at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:100)
...
Caused by: Caught an Ognl exception while getting property jsonObject - Class: ognl.OgnlRuntime
File: OgnlRuntime.java
Method: getMethodValue
Line: 1456 - ognl/OgnlRuntime.java:1456:-1
        at com.opensymphony.xwork2.ognl.accessor.CompoundRootAccessor.getProperty(CompoundRootAccessor.java:143)
        at ognl.OgnlRuntime.getProperty(OgnlRuntime.java:2317)
        at ognl.ASTProperty.getValueBody(ASTProperty.java:114)
        at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
        at ognl.SimpleNode.getValue(SimpleNode.java:258)
        at ognl.Ognl.getValue(Ognl.java:494)
        at ognl.Ognl.getValue(Ognl.java:458)
        at com.opensymphony.xwork2.ognl.OgnlUtil.getValue(OgnlUtil.java:251)
        at com.opensymphony.xwork2.ognl.OgnlValueStack.getValueUsingOgnl(OgnlValueStack.java:292)
        at com.opensymphony.xwork2.ognl.OgnlValueStack.tryFindValue(OgnlValueStack.java:275)
        at com.opensymphony.xwork2.ognl.OgnlValueStack.tryFindValueWhenExpressionIsNotNull(OgnlValueStack.java:257)
        at com.opensymphony.xwork2.ognl.OgnlValueStack.findValue(OgnlValueStack.java:237)
        ... 210 more
Caused by: ognl.OgnlException: jsonObject [java.lang.NullPointerException]
        at ognl.OgnlRuntime.getMethodValue(OgnlRuntime.java:1456)
        at ognl.ObjectPropertyAccessor.getPossibleProperty(ObjectPropertyAccessor.java:60)
        at ognl.ObjectPropertyAccessor.getProperty(ObjectPropertyAccessor.java:147)
        at com.opensymphony.xwork2.ognl.accessor.ObjectAccessor.getProperty(ObjectAccessor.java:17)
        at ognl.OgnlRuntime.getProperty(OgnlRuntime.java:2317)
        at com.opensymphony.xwork2.ognl.accessor.CompoundRootAccessor.getProperty(CompoundRootAccessor.java:138)
        ... 221 more
Caused by: java.lang.NullPointerException
        at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:187)
        at com.atlassian.bamboo.plan.PlanStatusHistoryAction.getNavigableSummaries(PlanStatusHistoryAction.java:92)
        at com.atlassian.bamboo.plan.PlanStatusHistoryAction.getNavigableBuilds(PlanStatusHistoryAction.java:79)
        at com.atlassian.bamboo.plan.PlanStatusHistoryAction.getJsonObject(PlanStatusHistoryAction.java:72)
        at sun.reflect.GeneratedMethodAccessor1417.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:891)
        at ognl.OgnlRuntime.getMethodValue(OgnlRuntime.java:1454)
        ... 226 more