Friday Jan 17, 2014

Java 7u51 and AutoVue

Hello all - As you may be aware, Java 7u51 was released earlier this week.  This release includes a lot of important security fixes for java - However these fixes do have some impact on users of the AutoVue client.

The first potential impact is that all applets (including the AutoVue client) must define a 'permissions' attribute in order for them to run.  We released a patch for all supported versions of AutoVue late last year that included this attribute.

The other issue is that 'LiveConnect', which is what allows Javascript to call Java code, is disabled in Java 7u51.  Most AutoVue integrations, including our integrations to Agile PLM, Web Center Content, and Documentum, make use of this mechanism to open files, start comparing files, and various other operations.  

Additionally, some older versions of Java, including Java 7u45, will disable LiveConnect once they 'notice' that Java 7u51 is available, so if a user is prompted to upgrade to Java 7u51 and refuses, LiveConnect will also be disabled.

To renable 'LiveConnect' in Java 7u51, the easiest approach is to make use of the 'Exception Site' configuration.  This configuration allows a user to indicate that a certain set of URLs are trusted - and any Java code provided from those URLs will have LiveConnect enabled.  

The 'Exception Site' list can be configured by an individual user by going into the Java control panel, but it is ultimately controlled by a text file stored inside the local Java deployment - so administrators can update the file centrally, and then push the file out to all members of an organization who need to use AutoVue.

We've published KM note 1615032.1 with more details on how to deal with these issues.

About

The authors of this blog are members of the AutoVue Enterprise Visualization team at Oracle. The views expressed on this blog reflect those of the members and do not necessarily reflect the views of Oracle.

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