I can see my code coverage results after running my build. However, when I restart hudson, the results
are unavailable. I see:

WARNING: Caught exception evaluating: it.failedTests. Reason: java.lang.reflect.

InvocationTargetException

java.lang.reflect.InvocationTargetException

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.

java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces

sorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:585)

at org.apache.commons.jexl.util.PropertyExecutor.execute(PropertyExecuto

r.java:125)

at org.apache.commons.jexl.util.introspection.UberspectImpl$VelGetterImp

l.invoke(UberspectImpl.java:314)

at org.apache.commons.jexl.parser.ASTArrayAccess.evaluateExpr(ASTArrayAc

cess.java:185)

at org.apache.commons.jexl.parser.ASTIdentifier.execute(ASTIdentifier.ja

va:75)

at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java

:83)

at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:5

7)

at org.apache.commons.jexl.parser.ASTReferenceExpression.value(ASTRefere

nceExpression.java:51)

at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:8

0)

at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.

java:71)

at org.apache.commons.jelly.tags.core.SetTag.doTag(SetTag.java:84)

at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)

at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)

at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTa

g.java:91)

at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)

Caused by: java.lang.NullPointerException

at
hudson.tasks.test.AggregatedTestResultAction$ChildReport.<init>(AggregatedTestResultAction.java:10
7)

at hudson.tasks.test.AggregatedTestResultAction$1.get(AggregatedTestResultAction.java:118)

at hudson.tasks.test.AggregatedTestResultAction$1.get(AggregatedTestResultAction.java:116)

at java.util.AbstractList$Itr.next(AbstractList.java:422)

at
hudson.tasks.test.AggregatedTestResultAction.getFailedTests(AggregatedTestResultAction.java:87)