Java error after update

[Jim Byrnes]

On 01/16/2014 11:26 AM, Knute Johnson wrote:

 > On 1/16/2014 09:15, Jim Byrnes wrote:
 >> Ubuntu 12.04
 >> Java version 1.7.0_51-b13
 >> Java plugin version 10.51.2.13
 >>
 >> After receiving updates today from the webupd8team PPA that updated java
 >> as detailed above I get errors when trying use a steaming stock quote
 >> service from my broker.
 >>
 >> The error reads: Missing required permission manifest attribute in main
 >> jar.
 >>
 >> It then lists a url for a jar file on the brokers web site.
 >>
 >> Has anyone else seen any problems with Java after a recent update?
 >>
 >> I'm trying to get what info I can up front before calling the broker
 >> because sometimes you can almost hear them groan when you tell them you
 >> are using Linux and FF instead of Windows and IE.
 >>
 >>
 >
 >


> There is a discussion going on over at comp.lang.java.programmer right
> now about this.  There was a change to the security policy on server
> sockets in _51.  With a SecurityManager you need permission to open a
> server socket outside of the user port range.
>
> Just to be up front here, this is not my area of expertise (if there are
> any really).  You can look at the user port range with;
>
> $ cat /proc/sys/net/ipv4/ip_local_port_range
>
> I imagine (this is the part that is out of my area) that you could just
> change those port settings to get your program working again.  I have no
> idea what that does to anything else.  The other option is to set the
> security permissions for server sockets.  While I know that can be done,
> I have no idea how to do it.
>
> k...
>

Thanks for the info.  Based on what you said about the java forum it 
seems to be a known problem, so hopefully the brokers tech support 
people will get it sorted out.  If not I'll give them a call tomorrow.

Regards,  JIm