error when integrating sonarqube with jenkins

[StephySaiempu]

I am using java-8 version and jenkins 2.121.1 version,sonarqube 6.7 version and installed both the sonarqube and jenkins on same server.when integrating sonarqube with jenkins the below issue is being raised.
ERROR: Error during SonarQube Scanner execution
org.sonarsource.scanner.api.internal.ScannerException: Unable to execute SonarQube
at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory$1.run(IsolatedLauncherFactory.java:84)
at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory$1.run(IsolatedLauncherFactory.java:71)
at java.security.AccessController.doPrivileged(Native Method)
at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.createLauncher(IsolatedLauncherFactory.java:71)
at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.createLauncher(IsolatedLauncherFactory.java:67)
at org.sonarsource.scanner.api.EmbeddedScanner.doStart(EmbeddedScanner.java:218)
at org.sonarsource.scanner.api.EmbeddedScanner.start(EmbeddedScanner.java:156)
at org.sonarsource.scanner.cli.Main.execute(Main.java:74)
at org.sonarsource.scanner.cli.Main.main(Main.java:61)
Caused by: java.lang.IllegalStateException: Fail to bootstrap from server. Bootstrap index was:

<title>SonarQube</title>

Loading...

<script>window.baseUrl=""</script><script src="/js/vendor.017c6e7f.js"></script><script src="/js/app.b06ee6ee.js"></script>

at org.sonarsource.scanner.api.internal.Jars.getScannerEngineFiles(Jars.java:88)
at org.sonarsource.scanner.api.internal.Jars.download(Jars.java:70)
at org.sonarsource.scanner.api.internal.JarDownloader.download(JarDownloader.java:39)
at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory$1.run(IsolatedLauncherFactory.java:75)
... 8 more

Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
at org.sonarsource.scanner.api.internal.Jars.getScannerEngineFiles(Jars.java:84)
... 11 more

[rmorrise]

This error crops up randomly, intermittently, in my case. When rerunning the same build, the issue doesn't reoccur. The stack trace is the same as listed here.