java.io.IOException while downloading signed jar using JNLP

I have signed my app jar using jks exported from my Websphere Application server. I am getting following error

java.io.IOException: Cannot find cached resource for URL: at com.sun.deploy.cache.Cache.getCachedResourceFilePath(Unknown Source) at com.sun.deploy.cache.ResourceProviderImpl.getCachedResourceFilePath(Unknown Source) at com.sun.javaws.security.JNLPSignedResourcesHelper.getSignedJNLPBits(Unknown Source) at com.sun.javaws.security.JNLPSignedResourcesHelper.getSignedJNLPFile(Unknown Source) at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedLaunchDescHelper(Unknown Source) at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedLaunchDesc(Unknown Source) at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedLaunchDesc(Unknown Source) at com.sun.javaws.Launcher.prepareResources(Unknown Source) at com.sun.javaws.Launcher.prepareAllResources(Unknown Source) at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source) at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source) at com.sun.javaws.Launcher.launch(Unknown Source) at com.sun.javaws.Main.launchApp(Unknown Source) at com.sun.javaws.Main.continueInSecureThread(Unknown Source) at com.sun.javaws.Main.access$000(Unknown Source) at com.sun.javaws.Main$1.run(Unknown Source) at java.lang.Thread.run(Unknown Source)

Here is my jnlp

<jnlp spec="1.0+" codebase=""> <information> <title>Logon App</title> <vendor>aaa.com</vendor> </information> <resources> <property name="jnlp.publish-url" value=""/> <j2se version="1.7*" java-vm-args="-Xmx32m" max-heap-size="32m" href=""/> <jar href="LogonApp.jar" main="true" download="eager"/> </resources> <application-desc name="Logon App" main-class="com.aaa.LogonApp"> <argument>xkckdfdwfwffwff</argument> </application-desc> <security> <all-permissions/> </security> </jnlp> 

Please help me to solve the issue. Thanks

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