dweiss opened a new issue, #14617: URL: https://github.com/apache/lucene/issues/14617
### Description Just noticed this in run reports. If anybody wishes to dig what this may be - feel free to. ``` FATAL: Failed to save the JUnit test result java.io.IOException: java.lang.RuntimeException: Failed to serialize hudson.tasks.junit.TestResult#suites for class hudson.tasks.junit.TestResult at hudson.XmlFile.write(XmlFile.java:223) at PluginClassLoader for junit//hudson.tasks.junit.TestResultAction.setResult(TestResultAction.java:135) at PluginClassLoader for junit//hudson.tasks.junit.TestResultAction.<init>(TestResultAction.java:96) at PluginClassLoader for junit//hudson.tasks.junit.JUnitResultArchiver.parseAndSummarize(JUnitResultArchiver.java:301) at PluginClassLoader for junit//hudson.tasks.junit.JUnitResultArchiver.perform(JUnitResultArchiver.java:194) at jenkins.tasks.SimpleBuildStep.perform(SimpleBuildStep.java:123) at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:80) at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20) at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:818) at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:767) at hudson.model.Build$BuildExecution.post2(Build.java:179) at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:711) at hudson.model.Run.execute(Run.java:1856) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44) at hudson.model.ResourceController.execute(ResourceController.java:101) at hudson.model.Executor.run(Executor.java:446) Caused by: java.lang.RuntimeException: Failed to serialize hudson.tasks.junit.TestResult#suites for class hudson.tasks.junit.TestResult at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:274) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:241) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:174) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:226) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:163) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:59) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:44) at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:83) at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.marshal(AbstractTreeMarshallingStrategy.java:37) at com.thoughtworks.xstream.XStream.marshal(XStream.java:1307) at com.thoughtworks.xstream.XStream.marshal(XStream.java:1296) at com.thoughtworks.xstream.XStream.toXML(XStream.java:1269) at hudson.XmlFile.write(XmlFile.java:216) ... 15 more Caused by: java.lang.RuntimeException: Failed to serialize hudson.tasks.junit.SuiteResult#stderr for class hudson.tasks.junit.SuiteResult at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:274) at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:241) at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:174) at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:226) at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:163) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:59) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:44) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:87) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeBareItem(AbstractCollectionConverter.java:94) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:66) at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeCompleteItem(AbstractCollectionConverter.java:81) at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:75) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:59) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:83) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:283) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:270) ... 28 more Caused by: [com.thoughtworks.xstream.io](http://com.thoughtworks.xstream.io/).StreamException: Invalid character 0xd83a in XML stream at hudson.util.PrettyPrintWriter.lambda$writeText$0(PrettyPrintWriter.java:253) at java.base/java.lang.StringUTF16$CodePointsSpliterator.advance(StringUTF16.java:1319) at java.base/java.lang.StringUTF16$CodePointsSpliterator.forEachRemaining(StringUTF16.java:1291) at java.base/java.util.stream.IntPipeline$Head.forEach(IntPipeline.java:617) at hudson.util.PrettyPrintWriter.writeText(PrettyPrintWriter.java:214) at hudson.util.PrettyPrintWriter.writeText(PrettyPrintWriter.java:210) at hudson.util.PrettyPrintWriter.setValue(PrettyPrintWriter.java:192) at [com.thoughtworks.xstream.io](http://com.thoughtworks.xstream.io/).WriterWrapper.setValue(WriterWrapper.java:45) at com.thoughtworks.xstream.converters.SingleValueConverterWrapper.marshal(SingleValueConverterWrapper.java:45) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:50) at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:59) at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:83) at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:283) at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:270) ... 45 more ``` ### Version and environment details _No response_ -- This is an automated message from the Apache Git Service. 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