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d != org.opennms.newts.api.Duration
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java.util.IllegalFormatConversionException: d != org.opennms.newts.api.Duration	at java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:4045)	at java.util.Formatter$FormatSpecifier.printInteger(Formatter.java:2748)	at java.util.Formatter$FormatSpecifier.print(Formatter.java:2702)	at java.util.Formatter.format(Formatter.java:2488)	at java.util.Formatter.format(Formatter.java:2423)	at java.lang.String.format(String.java:2790)	at org.opennms.newts.rest.ResultDescriptorDTO.toString(ResultDescriptorDTO.java:140)	at org.slf4j.helpers.MessageFormatter.safeObjectAppend(MessageFormatter.java:304)	at org.slf4j.helpers.MessageFormatter.deeplyAppendParameter(MessageFormatter.java:276)	at org.slf4j.helpers.MessageFormatter.arrayFormat(MessageFormatter.java:230)	at ch.qos.logback.classic.spi.LoggingEvent.(LoggingEvent.java:113)	at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:447)	at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:403)	at ch.qos.logback.classic.Logger.debug(Logger.java:522)	at org.opennms.newts.rest.MeasurementsResource.getMeasurements(MeasurementsResource.java:94)	at org.opennms.newts.rest.MeasurementsResource.getMeasurements(MeasurementsResource.java:124)	at org.opennms.newts.rest.MeasurementsResourceTest.testGetMeasurements(MeasurementsResourceTest.java:75)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)	at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)	at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:175)	at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcessWhenForked(SurefireStarter.java:107)	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:68)