Issue:
We have recently upgraded / deployed a 10.7 HOTFIX and now I get this error when trying to launch the webstart workstation.
com.sun.deploy.net.JARSigningException: Found unsigned entry in resource: http://<em-hostname>:8081/workstationProduct/plugins/com.ca.apm.introscope.workstation.webstart.launcher_10.7.0.jar
at com.sun.javaws.security.SigningInfo.getCommonCodeSignersForJar(Unknown Source)
at com.sun.javaws.security.SigningInfo.check(Unknown Source)
at com.sun.javaws.security.JNLPSignedResourcesHelper.checkSignedResourcesHelper(Unknown Source)
Resolution:
Install a Java JRE 1.8.0_131 or higher
Workaround:
1.Install Java 8 in a separate directory on your platform and start Workstation via Java Web Start using "javaws workstation.jnlp" in the <JAVA_HOME>\bin directory
2.Install Workstation Standalone
Other suggestions:
Go to "Control Panel \ Java \ Settings"
a) Disable Java plugin caching, untick "Keep temporary files on my computer", or
b) Delete all existing Files, make sure to select "Installed Applications and Applets"
If the problem persists open a support case and include to the below diagnostic files:
a) Enable Java Console
Go to Java Control Panel, "Advanced" Tab, go the section "Java console", enable "Show console, click on Apply and start Workstation
Send us all properties in the Java Console such as:
...
Java Web Start 11.191.2.12 x86
Using JRE version 1.8.0_191-b12 Java HotSpot(TM) Client VM
...
-- listing properties --
java.home=C:\Program Files (x86)\Java\jre1.8.0_191
java.version=1.8.0_191
...
b) content of the directory <EM/WORKSTATION_home>\product\workstation\plugins