Andy Robb created SPARK-11824:
---------------------------------

             Summary: WebUI does not render descriptions with 'bad' HTML, 
throws console error
                 Key: SPARK-11824
                 URL: https://issues.apache.org/jira/browse/SPARK-11824
             Project: Spark
          Issue Type: Bug
          Components: SQL, Web UI
    Affects Versions: 1.5.2
         Environment: RHEL 6, Java 1.7, Mesos 0.25.0
            Reporter: Andy Robb
            Priority: Minor


When using SparkSQL CLI, running a query with less-than or greater-than symbols 
in a query, viewing the Web UI will throw the following console warning. (The 
table and column names have been changed from the actual query.)

This occurs across CLI invocations. The warning is thrown each time the UI is 
refreshed, both during query execution and after the query is complete. 

{noformat}
15/11/18 10:45:31 WARN ui.UIUtils: Invalid job description: select count(1) 
from table1 where date >= '2015-11-01' and date <= '2015-11-15' 
org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 114; The content of 
elements must consist of well-formed character data or markup.
        at 
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:198)
        at 
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:177)
        at 
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:441)
        at 
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:368)
        at 
com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1436)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.startOfMarkup(XMLDocumentFragmentScannerImpl.java:2636)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2734)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
        at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
        at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
        at 
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
        at 
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
        at 
com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:648)
        at 
com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl.parse(SAXParserImpl.java:332)
        at scala.xml.factory.XMLLoader$class.loadXML(XMLLoader.scala:40)
        at scala.xml.XML$.loadXML(XML.scala:57)
        at scala.xml.factory.XMLLoader$class.loadString(XMLLoader.scala:59)
        at scala.xml.XML$.loadString(XML.scala:57)
        at org.apache.spark.ui.UIUtils$.makeDescription(UIUtils.scala:417)
        at 
org.apache.spark.ui.jobs.StageTableBase$$anonfun$5$$anonfun$apply$1.apply(StageTable.scala:118)
        at 
org.apache.spark.ui.jobs.StageTableBase$$anonfun$5$$anonfun$apply$1.apply(StageTable.scala:116)
        at scala.Option.map(Option.scala:145)
        at 
org.apache.spark.ui.jobs.StageTableBase$$anonfun$5.apply(StageTable.scala:116)
        at 
org.apache.spark.ui.jobs.StageTableBase$$anonfun$5.apply(StageTable.scala:115)
        at scala.Option.flatMap(Option.scala:170)
        at 
org.apache.spark.ui.jobs.StageTableBase.makeDescription(StageTable.scala:115)
        at 
org.apache.spark.ui.jobs.StageTableBase.stageRow(StageTable.scala:177)
        at 
org.apache.spark.ui.jobs.StageTableBase.org$apache$spark$ui$jobs$StageTableBase$$renderStageRow(StageTable.scala:195)
        at 
org.apache.spark.ui.jobs.StageTableBase$$anonfun$toNodeSeq$1.apply(StageTable.scala:60)
        at 
org.apache.spark.ui.jobs.StageTableBase$$anonfun$toNodeSeq$1.apply(StageTable.scala:60)
        at 
org.apache.spark.ui.jobs.StageTableBase$$anonfun$stageTable$1.apply(StageTable.scala:69)
        at 
org.apache.spark.ui.jobs.StageTableBase$$anonfun$stageTable$1.apply(StageTable.scala:69)
        at scala.collection.immutable.Stream.map(Stream.scala:376)
        at 
org.apache.spark.ui.jobs.StageTableBase.stageTable(StageTable.scala:69)
        at 
org.apache.spark.ui.jobs.StageTableBase.toNodeSeq(StageTable.scala:60)
        at 
org.apache.spark.ui.jobs.AllStagesPage.render(AllStagesPage.scala:121)
        at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:79)
        at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:79)
        at org.apache.spark.ui.JettyUtils$$anon$1.doGet(JettyUtils.scala:69)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
        at 
org.spark-project.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
        at 
org.spark-project.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:501)
        at 
org.spark-project.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
        at 
org.spark-project.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
        at 
org.spark-project.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
        at 
org.spark-project.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
        at 
org.spark-project.jetty.server.handler.GzipHandler.handle(GzipHandler.java:264)
        at 
org.spark-project.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
        at 
org.spark-project.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
        at org.spark-project.jetty.server.Server.handle(Server.java:370)
        at 
org.spark-project.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
        at 
org.spark-project.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)
        at 
org.spark-project.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033)
        at 
org.spark-project.jetty.http.HttpParser.parseNext(HttpParser.java:644)
        at 
org.spark-project.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
        at 
org.spark-project.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
        at 
org.spark-project.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
        at 
org.spark-project.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
        at 
org.spark-project.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
        at 
org.spark-project.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
        at java.lang.Thread.run(Thread.java:745)
{noformat}



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