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    Check if you didn't set RequestProperty Content-Type to the wrong type or if you're trying to send the wrong file to the server.

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via Jenkins JIRA by csuehsdi, 1 year ago
Server returned HTTP response code: 503 for URL: http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
via Jenkins JIRA by csuehsdi, 1 year ago
Server returned HTTP response code: 503 for URL: http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
via GitHub by innovationgames
, 2 years ago
Server returned HTTP response code: 503 for URL: http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd
via Stack Overflow by l245c4l
, 1 year ago
Server returned HTTP response code: 503 for URL: http://www.w3.org/TR/html4/strict.dtd
via Stack Overflow by Mikkel
, 2 years ago
Server returned HTTP response code: 403 for URL: http://www.wapforum.org/DTD/xhtml-mobile10.dtd
via Stack Overflow by user904351
, 2 years ago
Server returned HTTP response code: 503 for URL: http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
java.io.IOException: Server returned HTTP response code: 503 for URL: http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)	at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)	at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startEntity(Unknown Source)	at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startDTDEntity(Unknown Source)	at com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.setInputSource(Unknown Source)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(Unknown Source)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(Unknown Source)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown Source)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)	at org.apache.commons.digester.Digester.parse(Digester.java:1666)	at hudson.plugins.findbugs.parser.NativeFindBugsParser.createHashToMessageMapping(NativeFindBugsParser.java:100)	at hudson.plugins.findbugs.parser.NativeFindBugsParser.parse(NativeFindBugsParser.java:68)	at hudson.plugins.findbugs.parser.FindBugsParser.parse(FindBugsParser.java:74)	at hudson.plugins.analysis.core.FilesParser.parseFile(FilesParser.java:152)	at hudson.plugins.analysis.core.FilesParser.parseFiles(FilesParser.java:131)	at hudson.plugins.analysis.core.FilesParser.invoke(FilesParser.java:87)	at hudson.plugins.analysis.core.FilesParser.invoke(FilesParser.java:28)	at hudson.FilePath.act(FilePath.java:756)	at hudson.FilePath.act(FilePath.java:738)	at hudson.plugins.findbugs.FindBugsPublisher.perform(FindBugsPublisher.java:105)	at hudson.plugins.analysis.core.HealthAwarePublisher.perform(HealthAwarePublisher.java:207)	at hudson.tasks.BuildStepMonitor$2.perform(BuildStepMonitor.java:27)	at hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java:600)	at hudson.model.AbstractBuild$AbstractRunner.performAllBuildSteps(AbstractBuild.java:580)	at hudson.model.AbstractBuild$AbstractRunner.performAllBuildSteps(AbstractBuild.java:558)	at hudson.model.Build$RunnerImpl.post2(Build.java:158)	at hudson.model.AbstractBuild$AbstractRunner.post(AbstractBuild.java:528)	at hudson.model.Run.run(Run.java:1264)	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)	at hudson.model.ResourceController.execute(ResourceController.java:88)	at hudson.model.Executor.run(Executor.java:122)