Java WebStart launch fails when a JNLP is fixed to JRE 1.6 and JRE 1.7 is installed

java java-7 jnlp java-web-start
Raghavendra picture Raghavendra · Jun 6, 2012 · Viewed 7.6k times · Source

At my company, we download and launch a JNLP application that is tied to a JRE 1.6.0_20. We use the system cache feature to download the JARs.

When we install a JRE 1.7 on the PC, WebStart fails to launch. When we enable the logs, we see the following exception:

java.lang.ExceptionInInitializerError
    at com.sun.deploy.net.protocol.https.Handler.openConnection(Unknown Source)
    at java.net.URL.openConnection(Unknown Source)
    at com.sun.deploy.net.BasicHttpRequest.createUrlConnection(Unknown Source)
    at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
    at com.sun.deploy.net.BasicHttpRequest.doGetRequestEX(Unknown Source)
    at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
    at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
    at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
    at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
    at com.sun.deploy.net.DownloadEngine.getCachedFile(Unknown Source)
    at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
    at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
    at com.sun.javaws.Main.launchApp(Unknown Source)
    at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
    at com.sun.javaws.Main$1.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassCastException: sun.security.ssl.X509TrustManagerImpl cannot be ast to com.sun.net.ssl.internal.ssl.X509ExtendedTrustManager
    at com.sun.deploy.security.X509ExtendedDeployTrustManager.<init>(Unknown Source)
    at com.sun.deploy.net.protocol.https.Handler$Initializer$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.deploy.net.protocol.https.Handler$Initializer.<clinit>(Unknown Source)
... 16 more

Is there a known workaround?

Answer

Mossaddeque Mahmood picture Mossaddeque Mahmood · Dec 16, 2012

This is an installation issue, plugin launch problem for multiple JRE. Reinstall all plugin with updated JRE. See bug database

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